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Illinois (/ˌɪlɪˈnɔɪ/ IL-ih-NOY) is a state in the Midwestern region of the United States. It borders on Lake Michigan to its northeast, the Mississippi...

The Mile-High Illinois, or simply The Illinois, is an unbuilt conceptual design by American architect Frank Lloyd Wright for a one-mile-high (1.6 km) skyscraper...

Chicago is the most populous city in the U.S. state of Illinois and in the Midwestern United States. Located on the western shore of Lake Michigan, it...

Illinois is a state located in the Midwestern United States. According to the 2020 United States census, Illinois is the 6th most populous state with...

The University of Illinois Urbana-Champaign (UIUC, U of I, Illinois, or University of Illinois) is a public land-grant research university in the Champaign–Urbana...

U.S. state of Illinois and the county seat of Alexander County. A river city, Cairo has the lowest elevation of any location in Illinois and is the state's...

Springfield is the capital city of the U.S. state of Illinois and the county seat of Sangamon County. Its population was 114,394 at the 2020 United States...

with signage erected the following year, the highway ran from Chicago, Illinois, through Missouri, Kansas, Oklahoma, Texas, New Mexico, and Arizona before...

Illinois City is an unincorporated community in the U.S. state of Illinois, across the Mississippi River from Muscatine, Iowa. The community straddles...

Illinois is divided into 17 congressional districts, each represented by a member of the United States House of Representatives. The majority of Illinois's...

Odin is a village in Marion County, Illinois, United States. The population was 935 at the 2020 census, down from 1,076 in 2010. Odin originally was settled...

1918 – July 15, 1940), also known as the Alton Giant and the Giant of Illinois, was an American man known for being the tallest person in recorded history...

The great seal of the state of Illinois is the official emblem of the U.S. state of Illinois, and signifies the official nature of a document produced...

Look up Illinois in Wiktionary, the free dictionary. Illinois is a state in the United States. Illinois may also refer to: Illinois Country, a region...

NAY-pər-vil) is a city in DuPage and Will counties in the U.S. state of Illinois. It is a city southwest of Chicago located 28 miles (45 km) west of the...

Historical populations is being considered for merging. › The history of Illinois may be defined by several broad historical periods, namely, the pre-Columbian...

pee-OR-ee-ə) is a city in Peoria County, Illinois, United States, and its county seat. Located on the Illinois River, the city had a population of 113...

JOH-lee-et, -⁠ET) is a city in Will and Kendall counties in the U.S state of Illinois. Located 40 miles (64 km) southwest of Chicago, it is the county seat of...

as Chicagoland, is the largest metropolitan area in the U.S. state of Illinois and in the Midwest. The metropolitan area contains the City of Chicago...

The Illinois Senate is the upper chamber of the Illinois General Assembly, the legislative branch of the government of the State of Illinois in the United...

Illinois, United States, located along the Fox River. The population was 180,542 at the 2020 census. It is the second-most populous city in Illinois,...

There are 102 counties in Illinois. The most populous of these is Cook County, the second-most populous county in the United States and the home of Chicago...

The University of Illinois Chicago (UIC) is a public research university in the Near West Side community area of Chicago, Illinois, United States. The...

Cannabis is legal in Illinois for both medical and recreational use. Illinois became the eleventh state in the US to legalize recreational marijuana effective...

Cook County is the most populous county in the U.S. state of Illinois and the second-most-populous county in the United States, after Los Angeles County...

Northern Illinois is a region generally covering the northern third of the U.S. state of Illinois. The region is by far the most populous of Illinois, with...

Champaign County, Illinois, United States. The population was 88,302 at the 2020 census. It is the tenth-most populous municipality in Illinois and the fourth...

O-I Glass, Inc. (formerly Owens-Illinois) is an American company that specializes in container glass products. It is the largest manufacturer of glass...

state of Illinois. It is located in far northern Illinois on the banks of the Rock River. It is the fifth-most populous city in Illinois, with a population...

Normal is a town in McLean County, Illinois, United States. The population was 52,736 at the 2020 census. Normal is the smaller of two principal cities...

The Government of Illinois, under the State of Illinois Constitution, has three branches of government: Executive, Legislative, and Judicial. The State's...

Decatur (/dɪˈkeɪtər/ dih-KAY-tər) is the largest city in Macon County, Illinois, United States, and its county seat. The city was founded in 1829 and is...

guide to the U.S. state of Illinois: Illinois – fifth most populous of the 50 states of the United States of America. Illinois lies between Lake Michigan...

county seat of, Tazewell County, Illinois, United States. It is located along the Illinois River in Central Illinois. The population was 31,731 at the...

LaSalle County, Illinois, United States, and its county seat. It is located at the confluence of the navigable Fox River and Illinois River, the latter...

(/ˌkæŋkəˈkiː/ KANG-kə-KEE) is a city in and the county seat of Kankakee County, Illinois, United States. Located on the Kankakee River, as of 2020, the city's population...

that period. The "St. Clair Triangle", "UFO Over Illinois", "Southern Illinois UFO", or "Highland, Illinois UFO" sighting occurred on January 5, 2000 over...

The 2026 Illinois gubernatorial election will be held on November 3, 2026, to elect the governor of Illinois. Democratic incumbent JB Pritzker is seeking...

/ˈstriːtər/ is a city in LaSalle and Livingston counties in the U.S. state of Illinois. The city is situated on the Vermilion River approximately 81 miles (130 km)...

The Illinois Country (French: Pays des Illinois [pɛ.i dez‿i.li.nwa]; lit. 'land of the Illinois people'; Spanish: País de los ilinueses), also referred...

Michael Hubert Kenyon (born c. 1944 in Elgin, Illinois), also known as the "Illinois Enema Bandit", is an American criminal. He pleaded guilty to a decade-long...

Central Illinois is a region of the U.S. state of Illinois that consists of the entire central third of the state, divided from north to south. Also known...

Clinton is the largest city in and the county seat of DeWitt County, Illinois, United States. The population was 6,898 at the 2023 census. The city and...

states of Iowa and Illinois: Davenport and Bettendorf in southeastern Iowa, and Rock Island, Moline, and East Moline in northwestern Illinois. These cities...

Kaskaskia is a village in Randolph County, Illinois, on the west side of the Mississippi River. The population of Kaskaskia was 21 in the 2020 United States...

Capital punishment has been repealed in the U.S. state of Illinois since 2011. Illinois used death by hanging as a form of execution until 1928. The last...

Southern Illinois is a region of the U.S. state of Illinois comprising the southern third of the state, principally south of Interstate 70. Part of downstate...

murderers who kidnapped and killed 14-year-old Bobby Franks in Chicago, Illinois, United States, on May 21, 1924. Leopold and Loeb, both students at the...

ILLIAC (Illinois Automatic Computer) was a series of supercomputers built at a variety of locations, some at the University of Illinois at Urbana–Champaign...

Moline (/moʊˈliːn/ moh-LEEN) is a city in Rock Island County, Illinois, United States. With a population of 42,985 in the 2020 census, it is the largest...

Urbana (/ɜːrˈbænə/ ur-BAN-ə) is a city in Champaign County, Illinois, United States, and its county seat. As of the 2020 census, Urbana had a population...

Glenview is a village in Cook County, Illinois, United States. It is located approximately 15 miles (24 km) northwest of the Downtown Chicago. Per the...

Bloomington is a city in McLean County, Illinois, United States, and its county seat. The 2020 census showed the city had a population of 78,680, making...

Clinton, Jefferson, Marion, and Washington counties in the U.S. state of Illinois with the largest portion in Marion County. The city is the largest in three...

Illinois is in the midwestern United States. Surrounding states are Wisconsin to the north, Iowa and Missouri to the west, Kentucky to the east and south...

Zion is a city in Lake County, Illinois, United States. Per the 2020 United States census, the population was 24,655. The city was founded in 1900 by John...

The Continental Illinois National Bank and Trust Company was an American bank established in 1910, which was at its peak the seventh-largest commercial...

County, Illinois, United States. As of the 2020 census, the population was 85,268, making it the 11th-most populous municipality in Illinois. The town...

services dating to the 1850s. The present system dates to 1974, when the Illinois General Assembly established the Regional Transportation Authority (RTA)...

Carbondale is a city in Jackson County, Illinois, United States, within the Southern Illinois region informally known as "Little Egypt". As of the 2020...

(/ˈɛldʒɪn/ EL-jin) is a city in Cook and Kane counties in the U.S. state of Illinois. It is located 35 mi (56 km) northwest of Chicago along the Fox River....

USS Illinois may refer to: USS Illinois (1864), was a Java-class screw frigate down in 1864, but was never completed and broken up for scrap in 1872 USS Illinois (BB-7)...

Homewood is a village in Cook County, Illinois, United States. The population was 19,463 at the 2020 census. The village sits just a few miles south of...

The Illinois River (Miami-Illinois: Inoka Siipiiwi) is a principal tributary of the Mississippi River at approximately 273 miles (439 km) in length. Located...

Bolingbrook is a village in Will and DuPage counties in the U.S. state of Illinois. It is a southwest suburb of Chicago on I-55 and Historic Route 66 (Frontage...

located in Tampico Township, Whiteside County, Illinois, United States next to Rock Falls and Sterling, Illinois. As of the 2020 census, Tampico had a population...

This is a list of high schools in the U.S. state of Illinois. Central High School, Camp Point Liberty High School, Liberty Payson-Seymour High School,...

election in Illinois will be held on November 3, 2026, to elect a member of the United States Senate to represent the state of Illinois. Democratic lieutenant...

DeKalb (/dɪˈkælb/ dih-KALB) is a city in DeKalb County, Illinois, United States. The population was 40,290 at the 2020 census. The city is named after...

The governor of Illinois is the head of government of Illinois, and the various agencies and departments over which the officer has jurisdiction, as prescribed...

Odin Township is located in Marion County, Illinois, United States. As of the 2010 census, its population was 1,722 and it contained 735 housing units...

The Territory of Illinois was an organized incorporated territory of the United States that existed from March 1, 1809, until December 3, 1818, when the...

Geneva is a city in and the county seat of Kane County, Illinois, United States. It is located in the far western side of the Chicago suburbs. Per the...

Tiberian: Nâwû, 'they are beautiful') is a small city in Hancock County, Illinois, United States, on the Mississippi River near Fort Madison, Iowa. The population...

and the neighboring Central Illinois Public Service Company (CIPSCO Inc. holding, formerly NYSE: CIP) of Springfield, Illinois. It is now a holding company...

Effingham is a city in Effingham County, Illinois, United States, and its county seat. It is in South Central Illinois. Its population was 12,252 at the 2020...

Evanston is a city in Cook County, Illinois, United States. Evanston lies on Lake Michigan 12 miles (19 km) north of the Loop. A Chicago suburb, it is...

seat of Coles County, Illinois, United States. The population was 17,286, as of the 2020 census. The city is home to Eastern Illinois University and has...

Danville is a city in Vermilion County, Illinois, United States, and its county seat. The population was 29,204 as of the 2020 census. It is the principal...

The Illinois Confederation, also referred to as the Illiniwek or Illini, were a loosely organized group of 12 or 13 tribes who lived in the Mississippi...

Freeport is the largest city in Stephenson County, Illinois, United States, and its county seat. The population was 23,973 at the 2020 census. Located...

Robbins is a village and southwest suburb of Chicago in Cook County, Illinois, United States. The population was 4,629 at the 2020 census. It is the second...

Libertyville is a village in Libertyville Township, Lake County, Illinois, United States. It is located 5 miles (8 km) west of Lake Michigan, approximately...

Quincy (/ˈkwɪnsi/ KWIN-see) is a city in Adams County, Illinois, United States, and its county seat. Located on the Mississippi River, the population was...

Waukegan (/wəˈkiːɡən/ wə-KEE-ghən) is a city in Lake County, Illinois, United States, and its county seat. Located 36 miles (58 km) north of Chicago, Waukegan...

The 2024 United States presidential election in Illinois took place on Tuesday, November 5, 2024, as part of the 2024 United States presidential election...

Marion is the county seat of Williamson County, Illinois, United States. The population was 16,855 according to the 2020 census. It is part of a dispersed...

Benton is a city in and the county seat of Franklin County, Illinois. The population was 6,709 at the 2020 census. In 1839, Franklin County was split roughly...

Dolton (/ˈdɔːltən/) is a village in Thornton Township, Cook County, Illinois, United States. The population was 21,426 at the 2020 census. Dolton is located...

Corruption in Illinois has been a problem from the earliest history of the state. Electoral fraud in Illinois pre-dates the territory's admission to the...

County, Illinois, United States. As of the 2020 census, Lisle had a population of 24,223. It is a south-western suburb of Chicago in the Illinois Technology...

Rochelle is a city in Ogle and Lee counties, Illinois, United States. The population was 9,446 at the 2020 census. Rochelle is approximately 80 miles (130 km)...

pronounced /ˈhɛɡˌwɪʃ/ "heg-wish") is one of the 77 community areas of Chicago, Illinois, located on the city's far south side. It is bordered by the neighborhoods...

The Illinois Marathon is a for-profit marathon which was held for the first time on April 11, 2009 in Champaign, Illinois. This was the first marathon...

Barrington is a village in Cook and Lake counties in the U.S. state of Illinois. The population was 10,722 at the 2020 census. It is part of the Chicago...

in and the county seat of McDonough County, Illinois, United States. It is situated in western Illinois, about 75 miles (121 km) southwest of Peoria...

Hartford is a village in Madison County, Illinois, United States, on the Mississippi River near the mouth of the Missouri River. The population was 1,185...

"Illinois" is the regional anthem (or state song) of the U.S. state of Illinois. Written in about 1890 by Civil War veteran Charles H. Chamberlin (1891–1894)...

Wheaton is a city in and the county seat of DuPage County, Illinois, United States. It is located in Milton and Winfield Townships, approximately 25 miles...

Glencoe (/ˈɡlɛnˌkoʊ/) is a lakefront village in northeastern Cook County, Illinois, United States. As of the 2020 census, the population was 8,849. Glencoe...

The following is a list of school districts in Illinois. As of July 1, 2025[update], there were 851 public school districts, including 367 elementary districts...

Thomson is a village along Illinois Route 84 near the Mississippi River in Carroll County, Illinois, United States. As of the 2020 census, Thomson had...

Vandalia is a city in and the county seat of Fayette County, Illinois, United States. At the 2020 Census, the population was 7,458. The city is 60 miles...

Carthage is a city in and the county seat of Hancock County, Illinois, United States. Its population was 2,490 as of the 2020 census. Carthage is best...

region in Western Illinois in the late 1960s and early 1970s. This geographic region forms the distinctive western bulge of Illinois (area west of 90°...

Lodi, Illinois, may refer to the following communities in Illinois, all of which were once known as Lodi: Clark Center, Illinois, in Clark County Maple...

Northbrook is a village in Cook County, Illinois, United States. It is a suburb of Chicago in the greater North Shore, part of a collection of upscale...

Elmhurst is a city in DuPage and Cook counties in the U.S. state of Illinois and a suburb of Chicago. The population was 45,786 at the 2020 census. Members...

following is a list of earthquakes in Illinois. 1811–1812 New Madrid earthquakes Geology of Illinois Illinois Basin New Madrid seismic zone Sandwich...

Paris is a city in Edgar County, Illinois, United States. It is 165 miles (266 km) south of Chicago and 90 miles (140 km) west of Indianapolis. The population...

The Comptroller of Illinois is a constitutional officer in the executive branch of government of the U.S. state of Illinois. Ten individuals have held...

Lincoln is a city in and the county seat of Logan County, Illinois, United States. First settled in the 1830s, it is the only town in the U.S. that was...

vehicles in Illinois. As of October 2021[update], the state government's official policy goal is to have 1 million electric vehicles in Illinois by 2030....

Willowbrook, Illinois may refer to: Willowbrook, DuPage County, Illinois Willow Brook Estates, Illinois This disambiguation page lists articles about distinct...

Plainfield is a village in Will and Kendall counties in the U.S. state of Illinois. The population was 44,762 at the 2020 census. It is part of the Chicago...

Metropolis is a city and the county seat in Massac County, Illinois, United States. It is located by the Ohio River. As of the 2020 census, it had a population...

northeast–southwest for 1,197 miles (1,926 km) from El Paso, Texas, to Griggsville, Illinois. The Union Pacific Railroad's Tucumcari Line (former Southern Pacific and...

Calumet River at Chicago to the mouth of the Illinois River at Grafton, Illinois. Based primarily on the Illinois River, it is a system of rivers, lakes, and...

This is a list of lakes and reservoirs in the U.S. state of Illinois. The lakes are ordered by their unique names, (i.e. Lake Smith or Smith Lake would...

The Treasurer of Illinois is a constitutional officer in the executive branch of government of the U.S. state of Illinois. Seventy-four individuals have...

Edwardsville is a city in Madison County, Illinois, United States, and its county seat. The population was 26,808 as of the 2020 census. The city was named...

state of Illinois. According to the 2020 census, it had a population of 696,355, an increase of 2.8% from 677,560 in 2010, making it Illinois's fourth-most...

Monmouth is a city in and the county seat of Warren County, Illinois, United States. The population was 8,902 at the 2020 census, down from 9,444 in 2010...

Carlinville is a city in and the county seat of Macoupin County, Illinois, United States. As of the 2020 census, the population was 5,710. It is the home...

The Illinois House of Representatives is the lower house of the Illinois General Assembly. The body was created by the first Illinois Constitution adopted...

This is a list of homicides in Illinois. This list includes notable homicides committed in the U.S. state of Illinois that have a Wikipedia article on...

County, Illinois, United States. As of the 2020 census, Brooklyn had a population of 649. Located two miles north of East St. Louis, Illinois and three...

Hitt, Illinois may refer to: Hitt, Carroll County, Illinois, an unincorporated community in Carroll County Hitt, LaSalle County, Illinois, an unincorporated...

is Granby, Colorado at US 40. Its eastern terminus is in Berwyn, Illinois at Illinois Route 43. U.S. Route 34 becomes a toll road for a short distance...

Skokie (/ˈskoʊki/; formerly Niles Center) is a village in Cook County, Illinois, United States. According to the 2020 census, its population was 67,824...

The Illinois State Toll Highway Authority (ISTHA) is an administrative agency of the U.S. state of Illinois charged with building, operating, and maintaining...

The Illinois Central Railroad (reporting mark IC), sometimes called the Main Line of Mid-America, is a railroad in the Central United States that operated...

of Illinois have held referendums relating to the separation of Cook County, and more specifically its city of Chicago, from the rest of Illinois. This...

Homer is a village in Champaign County, Illinois, United States. Its population was 1,073 at the 2020 census. Homer grew from a settlement named Union...

Sandwich is a city in DeKalb and Kendall counties in the U.S. state of Illinois. Its population was 7,421 at the 2010 census and 7,221 at the 2020 census...

Illinois (styled Sufjan Stevens invites you to: Come on feel the Illinoise on the cover; sometimes spelled as Illinoise) is the fifth studio album by the...

Belleville is a city in St. Clair County, Illinois, United States, and its county seat. It is a southeastern suburb of St. Louis. The population was 42...

Taylorville is a city in and the county seat of Christian County, Illinois, United States. The population was 10,506 at the 2020 census, making it the...

Lakes. The highway travels from LaPlace, Louisiana, at I-10 to Chicago, Illinois, at U.S. Route 41 (US 41), at McCormick Place. The major cities that I-55...

Cook County, Illinois, United States. Bordering Lake Michigan, Kenilworth, Winnetka, Skokie, Northfield, Glenview, and Evanston, Illinois, it is located...

Winnetka (/wɪˈnɛtkə/) is a village in Cook County, Illinois, United States, 16 miles (26 km) north of downtown Chicago. The population was 12,508 as of...

of the original teams of the NFL, founded by Halas in 1919 in Decatur, Illinois. They currently have the most players inducted into the Pro Football Hall...

Lincolnwood (formerly Tessville) is a village in Cook County, Illinois, United States. Per the 2020 census, the population was 13,463. An inner suburb...

The Illinois Basin is a Paleozoic depositional and structural basin in the United States, centered in and underlying most of the state of Illinois, and...

Mahomet [needs IPA] is a village in Champaign County, Illinois, United States, along the Sangamon River. The population was 9,434 at the 2020 census. Mahomet...

Palatine (/ˈpælətaɪn/) is a village in Cook and Lake counties, Illinois, United States. It is a northwestern residential suburb of Chicago. As of the 2020...

County is a county located in the northeastern corner of the U.S. state of Illinois, along the shores of Lake Michigan. As of the 2020 census, it has a population...

Maywood is a village in Cook County, Illinois, United States, in the Chicago metropolitan area. It was founded on April 6, 1869, and organized October...

Austin is one of the 77 officially-designated community areas of Chicago in Illinois, United States. Located on the city's West Side, it is the third-largest...

Antioch is a village in Lake County, Illinois, United States. As of the 2020 census, the population was 14,622. The village is nestled into the Chain O'Lakes...

is the oldest city in Jersey County, Illinois, United States. It is located near the confluence of the Illinois and Mississippi Rivers. As of the 2020...

philanthropist, and businessman serving since 2019 as the 43rd governor of Illinois. He is a member of the Democratic Party. A scion of the Pritzker family...

Washington is a city in Tazewell County, Illinois, United States. Washington is on U.S. Route 24 and Illinois Route 8, northeast of East Peoria. The population...

Sauget (/sɔːˈʒeɪ/ saw-ZHAY) is a village in St. Clair County, Illinois, United States. It is part of Greater St. Louis. The population was 141 at the 2020...

school located in Lincolnshire, Illinois, United States. It is named after Adlai E. Stevenson II, the 31st Governor of Illinois. In 1964, growing disagreement...

Harvey is a city in Cook County, Illinois, United States. The population was 20,324 at the 2020 census. Harvey is bordered by the villages of Dixmoor and...

Illinois Township may refer to: Illinois Township, Pope County, Arkansas Illinois Township, Washington County, Arkansas Illinois Township, Sedgwick County...

Highland is a city in Madison County, Illinois, United States. The population was 9,991 at the 2020 census. Highland began as a Swiss settlement and derived...

Mounds is a city in Pulaski County, Illinois, United States. The population was 661 in the 2020 census. The town was named for the prehistoric monumental...

largest city and retail trade center in Union County, Illinois, United States. Located in Southern Illinois, its population was 4,303 at the 2020 United States...

governor of Illinois is the head of government of the U.S. state of Illinois. The governor is the head of the executive branch of Illinois's state government...

Broadview is a village in Cook County, Illinois, United States, 12 miles (19 km) west of downtown Chicago. As of the 2020 census it had a population of...

ILLIAC I (Illinois Automatic Computer), a pioneering computer in the ILLIAC series of computers built in 1952 by the University of Illinois, was the first...

Illinois, including Chicago has a wide musical heritage. Chicago is most famously associated with the development of electric (or Chicago-style) blues...

The 122nd Field Artillery Regiment is a field artillery regiment of the Illinois Army National Guard. The regiment's 2nd Battalion is the cannon battalion...

Deerfield is a village in Lake and Cook counties in the U.S. state of Illinois. A northern suburb of Chicago, Deerfield is located on the North Shore,...

intercollegiate athletic teams that represent the University of Illinois Chicago, located in Chicago, Illinois, in intercollegiate sports as a member of the Division...

Peru is a city in LaSalle and Bureau counties, Illinois, United States. The population was 9,896 at the 2020 census, down from 10,295 at the 2010 census...

village located in Algonquin Township, McHenry County, Illinois, and Cuba Township, Lake County, Illinois, United States. Per the 2020 census, the population...

Miami–Illinois or Wabash (endonym: myaamia, [mjɑːmia]) is an Indigenous Algonquian language that is spoken in the United States, historically in Illinois,...

list of people executed in Illinois. A total of twelve people convicted of murder have been executed by the state of Illinois since 1977. All were executed...

O'Hare is one of the 77 community areas of Chicago in Illinois, United States, located on the far north side of Chicago. Chicago O'Hare International Airport...

Madison is a city in Madison and St. Clair counties in the U.S. state of Illinois. It is also a suburb of Greater St. Louis. The population was 3,171 at...

Cahokia was a village in St. Clair County, Illinois, United States, founded as a colonial French mission in 1689. Cahokia is on the east side of the Mississippi...

Oquawka is a village and the county seat of Henderson County, Illinois, United States. The population was 1,134 at the 2020 census. Oquawka is part of...

county seat of Iroquois County, Illinois, United States. It is located approximately 15 miles (24 km) west of the Illinois-Indiana state line on U.S. Route...

Algonquin is a village in McHenry and Kane counties, Illinois, in the United States. It is a suburb of Chicago, located approximately 40 miles (64 km)...

Illinois College is a private liberal arts college in Jacksonville, Illinois. It is affiliated with the United Church of Christ and the Presbyterian Church...

Darien (formerly Cass) is a city in DuPage County, Illinois, United States. Per the 2020 census, the population was 22,011. A southwestern suburb of Chicago...

Northern Illinois University (NIU) is a public research university in DeKalb, Illinois, United States. It was founded as "Northern Illinois State Normal...

Gilman is a city in Douglas Township, Iroquois County, Illinois, United States. The population was 1,738 at the 2020 census. Gilman was laid out in the...

Chicago Lawn is one of the 77 community areas of Chicago, Illinois. It is located on the southwest side of the city. Its community neighbors include Gage...

Galesburg is a city in Knox County, Illinois, United States. The city is 45 miles (72 km) northwest of Peoria. At the 2020 census, its population was 30...

Lombard is a village in DuPage County, Illinois, United States, and a suburb of Chicago. The population was 44,476 at the 2020 census. Lombard was originally...

Canton is the largest city in Fulton County, Illinois, United States. The population was 13,242 at the 2020 census, down from 14,704 at the 2010 census...

in DuPage County, Illinois, United States, with a small portion in Cook County. It is one of the wealthiest communities in Illinois and in the United...

The Supreme Court decision in Illinois Central Railroad v. Illinois, 146 U.S. 387 (1892), reaffirmed that each state in its sovereign capacity holds title...

Shelbyville is a city in and the county seat of Shelby County, Illinois, United States, along the Kaskaskia River. As of the 2020 census, the population...

Aledo /əˈliːdoʊ/ is a city in and the county seat of Mercer County, Illinois, United States. The population was 3,633 at the 2020 census. Aledo was established...

Republican member of the Illinois Senate from May 2002 until his resignation in December 2020. Brady also served in the Illinois House of Representatives...

Fairbury is a city in Livingston County, Illinois, United States. The population was 3,633 at the 2020 census. Fairbury is located on U.S. Route 24 11...

Mascoutah is a city in St. Clair County, Illinois, United States. The population was 8,754 at the 2020 census. It is part of the Metro East region of Greater...

Illinois Bell Telephone Company, LLC is the Bell Operating Company serving Illinois. It is owned by AT&T through AT&T Teleholdings, formerly Ameritech...

Dixon is a city in Lee County, Illinois, United States, and its county seat. The population was 15,274 as of the 2020 census. The city is named after founder...

Riverdale is a village in Cook County, Illinois, United States. The population was 10,663 at the 2020 census. The village shares its name with the bordering...

The Three-I League, formally known as the Illinois–Indiana–Iowa League, was a Class B level Minor League Baseball organization that operated for the better...

The Sixth Illinois Constitutional Convention, popularly known as Con-Con, convened on December 8, 1969, and concluded on September 3, 1970. The convention...

Bremen, Illinois may refer to: Bremen, Jo Daviess County, Illinois, an unincorporated community Bremen, Randolph County, Illinois, an unincorporated community...

Township, Woodford County, Illinois. As of the 2020 census, Minonk had a population of 1,928. The city is part of the Peoria, Illinois, metropolitan area. The...

Berwyn (/ˈbɜːrwɪn/) is a suburban city in Cook County, Illinois, United States. It is coterminous with Berwyn Township, which was formed in 1908 after...

Montgomery County, Illinois, United States. The population was 6,605 at the 2020 census. It is located in South Central Illinois, south of Springfield...

The judiciary of Illinois is the unified court system of Illinois primarily responsible for applying the Constitution and law of Illinois. It consists of...

Northfield is a village in Cook County, Illinois, United States, located approximately 19 miles (31 km) north of downtown Chicago. As of the 2020 census...

Pocahontas is a village in Burgess Township, Bond County, Illinois, United States. The population was 697 at the 2020 census. Pocahontas was originally...

Kenilworth is a village in Cook County, Illinois, United States, 15 miles (24 km) north of downtown Chicago. As of the 2020 census it had a population...

city in Marshall County, Illinois, United States. The population was 1,340 at the 2020 census. It is part of the Peoria, Illinois, Metropolitan Statistical...

Wilmington is a city in Will County, Illinois, United States. Located on Illinois Route 53 and Historic U.S. Route 66 along the east bank of the Kankakee...

Mattoon (/ˈmæt.tun/ MAT-toon) is a city in Coles County, Illinois, United States. The population was 16,870 as of the 2020 census. The city is home to...

Flossmoor (/ˈflɒsmɔːr/) is a village in Cook County, Illinois, United States. The population was 9,704 at the 2020 census. Flossmoor is approximately 24...

Murphysboro is a city in and the county seat of Jackson County, Illinois, United States. The population was 7,093 at the 2020 census. The city is part...

Tuscola is the largest city and the county seat of Douglas County, Illinois, United States. The population was 4,636 at the 2020 census. The city of Tuscola's...

Galena is the largest city in Jo Daviess County, Illinois, United States, and its county seat. It had a population of 3,308 at the 2020 census. A 581-acre...

County, Illinois, United States. The population was 17,616 at the 2020 census, down from 19,446 in 2010. It is home to Illinois College, Illinois School...

Morris is a city in and the county seat of Grundy County, Illinois, United States and part of the southwest Chicago metropolitan area. The population was...

Township, Woodford County, Illinois, United States. The population was 1,960 at the 2020 census. It is part of the Peoria, Illinois Metropolitan Statistical...

Lockport is a city in Will County, Illinois, United States, located 30 miles southwest of Chicago. Per the 2020 census, the population was 26,094. The...

Pana /ˈpeɪnə/ is a small town in Christian County, Illinois, United States. A small portion is in Shelby County. The population was 5,199 at the 2020 census...

Greenville is a city in Bond County, Illinois, United States, 51 miles (82 km) east of St. Louis. The population as of the 2020 census was 7,083, up from...

to 1970 as Southern Illinois Penitentiary, is an Illinois state prison located in the town of Chester in Randolph County, Illinois. It houses maximum-security...

(/ˈhærɪsbɜːrɡ, ˈhɛərz-/) is a city in and the county seat of Saline County, Illinois, United States. It is located about 55 miles (88.51392 km) southwest of...

Henry is a city in Marshall County, Illinois, United States. The population was 2,320 at the 2020 census. It is part of the Peoria Metropolitan Statistical...

Tazewell County, Illinois, United States. As of the 2020 census, Delavan had a population of 1,568. It is a part of the Peoria, Illinois Metropolitan Statistical...

Niles is a village in Cook County, Illinois, United States, located in the townships of Maine and Niles, directly neighboring Chicago's far northwest border...

The Illinois campaign, also known as Clark's Northwestern campaign, was a series of engagements during the American Revolutionary War in which a small...

Illinois v. Allen, 397 U.S. 337 (1970), was a decision by the Supreme Court of the United States regarding the removal of an unruly criminal defendant...

Hamilton County, Illinois, Illinois, United States. The population was 2,675 at the 2020 census. McLeansboro is part of the Mount Vernon, Illinois micropolitan...

(/ɡərˈniː/ ghər-NEE) is a village in Lake County, in the U.S. state of Illinois. As of the 2020 census, its population was 30,706. Located in the Chicago...

Air Illinois (IATA: UX) was a regional airline based in Carbondale, Illinois. Founded in 1970 in Carbondale, Illinois, Air Illinois primarily operated...

County, Illinois, United States. Its population was 1,577 at the 2020 census, down from 1,801 in 2010. It is included in the Decatur, Illinois Metropolitan...

Illinois State University (ISU) is a public research university in Normal, Illinois, United States. It was founded in 1857 as Illinois State Normal University...

Marseilles (/mɑːrˈseɪlz/ mar-SAYLZ) is a city in LaSalle County, Illinois, United States. An Illinois River town, the population was 4,845 at the 2020 census,...

(/ˈɔːlni/ AWL-nee) is a city in and the county seat of Richland County, Illinois, United States. As of the 2020 census, Olney had a population of 8,701...

Douglas County, Illinois, United States. The population was 2,915 at the 2024 census. The city was founded in 1855, when the Illinois Central Railroad...

Grayslake is a village in Lake County, Illinois, United States. The village's population at the 2020 census was 21,248. It is located in the Chicago metropolitan...

Warrenville is a city in DuPage County, Illinois, United States. The population was 15,195 at the 2024 special census. Warrenville is a far west suburb...

Edwardsville Southern Illinois University is a system of public universities in the southern region of the U.S. state of Illinois. Its headquarters is...

divisions of Illinois are counties, townships, precincts, cities, towns, villages, and special-purpose districts. The basic subdivisions of Illinois are the...

The Kitty League, formally known as the Kentucky–Illinois–Tennessee League, was a Class D level minor league baseball circuit that went through six different...

The Illinois Salines, also known as the Saline Springs or Great Salt Springs, is a salt spring site located along the Saline River in Gallatin County,...

Markham is a city and a south suburb of Chicago in Cook County, Illinois, United States. The population was 11,661 at the 2020 census. It is claimed this...

Chester is a city in and the county seat of Randolph County, Illinois, United States, on a bluff above the Mississippi River. The population was 7,640...

Milan (/ˈmaɪlɪn/ MY-lin) is a village in Rock Island County, Illinois, United States. The population was 5,097 at the time of the 2020 census; down from...

Princeton is a city in and the county seat of Bureau County, Illinois, United States. The population was 7,832 at the 2020 census. Princeton is part of...

Grayville is a city in Edwards and White counties in the U.S. state of Illinois. As of the 2020 census, the city's population was 1,550, down from 1,666...

Carpentersville is a village in Kane County, Illinois, United States. The population was 37,983 at the 2020 census. It is part of the Chicago metropolitan...

The Avalanche (styled The Avalanche: Outtakes and Extras from the Illinois Album! on the cover) is a 2006 compilation album by indie rock singer/songwriter...

The Illinois agility test is a fitness test designed to test one's sport agility. It is a simple test which is easy to administer and requires little equipment...

The Climate of Illinois describes the weather conditions, and extremes, noted within the state of Illinois, United States, over time. Because of its nearly...

Huntley is a village in McHenry and Kane counties, Illinois, United States. As of the 2021 census it had a population of 28,008. It is a part of the Chicago...

The Illinois National Guard comprises both Army National Guard and Air National Guard components of Illinois. As of 2013, the Illinois National Guard has...

Fairfield is a city in and the county seat of Wayne County, Illinois, United States, and the location of Frontier Community College. The population was...

Abortion in Illinois is legal throughout pregnancy, but restricted post-viability to cases where it is necessary for the life or health of the patient...

Elkhart is a village in Logan County, Illinois, United States. The population was 450 at the 2020 census. Elkhart takes its name from Elkhart (or "Elk...

Salem is a city in and the county seat of Marion County, Illinois, United States. The population was 7,282 at the 2020 census. Salem was founded in 1823...

Hillside is a village in Cook County, Illinois, United States. As of the 2020 census it had a population of 8,320. It is a suburb of Chicago. German Lutheran...

Brownsville, Illinois may refer to the following places in Illinois: Brownsville, Jackson County, Illinois, a ghost town Brownsville, White County, Illinois, an...

Harrison, Illinois may refer to: Harrison, Jackson County, Illinois, a census-designated place in Jackson County Harrison, Winnebago County, Illinois, an unincorporated...

Eureka is a city in and the county seat of Woodford County, Illinois, United States. As of the 2020 census, Eureka had a population of 5,227. Eureka is...

This is a list of Illinois State University alumni who are notable enough to warrant an article in Wikipedia. The list is organized by general fields of...

Beardstown is a city in Cass County, Illinois, United States. The population was 5,951 at the 2020 census. The public schools are in Beardstown Community...

of Chicago and is a village located in both DuPage County and Cook in Illinois. Roselle was first incorporated in 1922 as a bedroom community, with its...

Bridgeview is a village in Cook County, Illinois, United States. It is located approximately 15 miles (24 km) southwest of the Chicago Loop. As of the...

Montgomery County, Illinois, United States. The population was 2,142 at the 2020 census. Nokomis is in eastern Montgomery County, along Illinois Route 16 (State...

110km 68miles Michigan Illinois     The Illinois–Michigan football series is an American college football series between the Illinois Fighting Illini and...

Harvester) is a village in Cook and DuPage counties in the U.S. state of Illinois. Per the 2020 census, the population was 11,192. Burr Ridge's gently rolling...

in Illinois for almost as long as there have been automobiles. Almost every type of motorsport found in the United States can be found in Illinois. Both...

Kings, Illinois may refer to several places: Kings, Coles County, Illinois, an unincorporated community in Coles County Kings, Ogle County, Illinois, an...

is a village in Winnebago County, Illinois, along the Rock River. It is in a suburban area of the Rockford, Illinois Metropolitan Statistical Area. As...

Weston, Illinois may refer to: Weston, DuPage County, Illinois - a now-defunct town in Dupage County that voted itself out of existence to provide a location...

Benld (pronounced /bəˈnɛld/ bə-NELD) is a city in Macoupin County, Illinois, United States. The population was 1,464 at the 2020 census, down from 1,556...

Dwight is a village located mainly in Livingston County, Illinois, with a small portion in Grundy County. The population was 4,032 at the 2020 census....

Ohio, Indiana, Illinois, Iowa, Michigan, and Missouri and the province of Ontario. Its primary connections included Chicago, Illinois; Kansas City, Missouri;...

Sycamore is a city in DeKalb County, Illinois, United States. It has a commercial district based and centered on Illinois Route 64. The population was 18,577...

Romeoville is a village in Will County, Illinois, United States. The village is located 26 mi (42 km) southwest of Chicago on the Gateway Wetlands, directly...

bərˈboʊnəs/ bər-bə-NAY ,bər-BOH-nəs) is a village in Kankakee County, Illinois, United States. The population was 18,164 at the 2020 census. The village...

Illinois wine refers to any wine that is produced in the U.S. state of Illinois. In 2006, Shawnee Hills, in southern Illinois, was named the state's first...

Wyoming is a city in Stark County, Illinois, United States. As of the 2020 census, Wyoming had a population of 1,300. It is the headquarters of the Rock...

Area or Bloomington–Normal, is a metropolitan statistical area in Central Illinois anchored by the twin municipalities of Bloomington and Normal. At the 2010...

Palestine is a village in Crawford County, Illinois, United States. The population was 1,233 at the 2020 Census. Palestine has a total area of 0.79 square...

Savanna is a city in Carroll County, Illinois, United States. The population was 2,783 at the 2020 census. Savanna is located along the Mississippi River...

northwestern corner of DeKalb County, Illinois, United States. It is located on the Iowa, Chicago and Eastern Railroad and on Illinois Route 72, approximately 4.8...

Sterling is a city in Whiteside County, Illinois, United States, along the Rock River. The population was 14,782 at the 2020 census, down from 15,370 in...

Pinckneyville is a city in and the county seat of Perry County, Illinois, United States. The population was 5,066 at the 2020 census. It is named for Charles...

in Champaign, Illinois. The route runs through the major cities of Decatur, Illinois, and Springfield, Illinois. In 2006, the Illinois General Assembly...

Prophetstown is a city in Whiteside County, Illinois, United States. As of the 2020 census, Prophetstown had a population of 1,946. According to the 2010...

Wheaton College is a private Evangelical Christian college in Wheaton, Illinois, United States. A four-year liberal arts school, it was founded by evangelical...

Tamms is a village in Tamms Precinct, Alexander County, Illinois, United States. The population was 430 at the 2020 census, down from 632 at the 2010 census...

Lincolnshire is a village in Lake County, Illinois, United States. It is a northern suburb of Chicago. Per the 2020 census, the population was 7,940. Named...

port facilities on Lake Michigan within the city of Chicago, Illinois, operated by the Illinois International Port District (formerly known as the Chicago...

Westchester is a village in Cook County, Illinois, United States. It is a western suburb of Chicago. The population was 16,892 at the 2020 census. The...

Atlanta (formerly Xenia) is a city in Logan County, Illinois, United States. It is located along Route 66, and had a population of 1,669 at the 2020 census...

Cuba is a city in Fulton County, Illinois, United States. The population was 1,184 at the 2020 census. Cuba was founded in 1837 when the two rival towns...

neighborhood and community area located on the South Side of Chicago, Illinois, United States. It is also the 68th of the 77 community areas in the city...

Golconda is a city in and the county seat of Pope County, Illinois, United States, located along the Ohio River. The population was 630 at the 2020 census...

This is a list of notable individuals who come from the state of Illinois, a state within the larger United States of America. Contents:  Top 0–9 A B C...

Since Illinois became a U.S. state in 1818, it has sent congressional delegations to the United States Senate and United States House of Representatives...

Jean-Baptiste Illinois Jacquet (October 30, 1922 – July 22, 2004) was an American jazz tenor saxophonist, best remembered for his solo on "Flying Home"...

Dixmoor (formerly Specialville) is a village in Cook County, Illinois, United States, and a south suburb of Chicago. The population was 2,973 at the 2020...

The 2025 Illinois State Redbirds football team represented Illinois State University as a member of the Missouri Valley Football Conference (MVFC) during...

Virden is a city in Macoupin and Sangamon counties in the U.S. state of Illinois. The population was 3,231 at the 2020 census. The Macoupin County portion...

the county seat of Boone County, Illinois, United States. It is settled on the Kishwaukee River in far northern Illinois. The population was 25,339 at the...

(/vaɪˈænə/ vy-AN-ə) is a city in and the county seat of Johnson County, Illinois, United States. The population of Vienna was 1,343 at the 2020 census....

far-right politician and farmer serving as the U.S. representative for Illinois's 15th congressional district since 2021. A member of the Republican Party...

1982. Tornadoes touched down in the states of Illinois, Missouri, and Indiana, with Marion, Illinois, being the hardest hit. Ten fatalities occurred...

Hamilton is a city in Hancock County, Illinois, United States. The population was 2,753 at the 2020 census, a decline from 2,951 in 2010. The city is located...

Minooka is a village in Grundy, Kendall, and Will counties, Illinois, United States. The population was 12,758 at the 2020 census, up from 10,924 at the...

Beloit, Illinois Rockton, Illinois Roscoe, Illinois Machesney Park, Illinois Loves Park, Illinois Rockford, Illinois Byron, Illinois Oregon, Illinois Grand...

Illinois State University was a private institution of higher learning in Springfield, Illinois. It began as The Literary and Theological Institute of...

Illinois is considered a blue state, one of the three largest states that consistently supports Democratic Party federal candidates alongside California...

in the U.S. state of Illinois. The population was 13,383 at the 2020 census. Located in a rural area southwest of Joliet, Illinois, Channahon lies at the...

S. state of Illinois. According to the 2020 Census, it had a population of 310,229, making it the sixth-most populous county in Illinois. Its county seat...

Pleistocene Stratigraphy of Illinois. Bulletin no. 94, Illinois State Geological Survey, Champaign, Illinois. In Illinois, there is accepted evidence...

Alsip is a village in Cook County, Illinois, United States. The population was 19,063 at the 2020 census. It is on the south side of the Chicago metropolitan...

Herrin is a city in Williamson County, Illinois. The population was 12,352 at the 2020 census. The city is part of the Marion-Herrin Micropolitan Area...

Lewistown is a city and the county seat of Fulton County, Illinois, United States. It was named by its founder, Ossian M. Ross, after his oldest son, Lewis...

The Miss Illinois is a pageant program affiliated with Miss America, which is competition for women models representing the state of Illinois. The first...

Marshall is a city in and the county seat of Clark County, Illinois, United States, located approximately 20 miles (32 km) west of Terre Haute, Indiana...

Freeburg is a village in St. Clair County, Illinois, United States. Located within Greater St. Louis, it is a southeastern exurb with many residents commuting...

(/ˈɔːltən/ AWL-tən) is a city on the Mississippi River in Madison County, Illinois, United States, about 18 miles (29 km) north of St. Louis, Missouri. The...

(formerly St. Marie) is a village in Beaverville Township, Iroquois County, Illinois, United States. The population was 306 at the 2020 census. In 1851, 32...

decorations of the Illinois National Guard are provided to honor the service and dedication of the men and women who serve in the Illinois Army National Guard...

Kewanee (/kiːˈwɑːniː/ ) is a city in Henry County, Illinois. "Kewanee" is the Winnebago word for greater prairie-chicken, which lived there. The population...

Institute (now Bradley University), Illinois College, Illinois State Normal University (now Illinois State University), Illinois Wesleyan University, Knox College...

Colchester is a city in McDonough County, Illinois, United States. The population was 1,108 at the 2020 census, down from 1,401 in 2010. The city is named...

The Illinois Terminal is an intermodal passenger transport center located at 45 East University Avenue in Champaign, Illinois, United States. The facility...

Norway is an unincorporated community in Mission Township, LaSalle County, Illinois. Located along the Fox River, the community was the site of an early Norwegian-American...

Venice is a city in Madison County, Illinois, United States. The population was 1,498 at the 2020 census, down from 1,890 in 2010. Venice was platted in...

Havana is a city and the county seat of Mason County, Illinois, United States. The population was 2,963 at the 2020 census, a decline from the figure of...

Hoopeston (/ˈhʊpstən/) is a city in Grant Township, Vermilion County, Illinois, United States. As of the 2020 census, the city population was 4,915. Hoopeston...

Mississippi River Basin, and ultimately the Gulf of Mexico. In 1887, the Illinois General Assembly decided to reverse the flow of the Chicago River through...

Hillsboro is a city in and the county seat of Montgomery County, Illinois, United States. The population was 5,902 at the 2020 census. The community was...

The Illinois General Assembly is the legislature of the U.S. state of Illinois. It has two chambers, the Illinois House of Representatives and the Illinois...

Bartlett is a village in Illinois, United States. The population was 41,105 at the 2020 census. The village is primarily located in Cook and DuPage counties...

Lansing is a village in Cook County, Illinois, United States. Lansing is a south suburb of Chicago. The population was 29,076 at the 2020 census. The first...

official organization of the Episcopal Church in Chicago and Northern Illinois, US. The diocese is served by Paula Clark, who serves as bishop of the...

Rosiclare is a city in Hardin County, Illinois. It is located along the Ohio River. The population was 980 at the 2020 census. Some of the earliest settlers...

County, Illinois, United States. The population was 4,450 at the 2020 census. Paxton was laid out in 1857 as Prospect City along the Illinois Central...

Posen is a village in Cook County, Illinois, United States. Posen is the German language name for the western Polish city of Poznań. The population of...

Nashville is a city in Washington County, Illinois, United States. As of the 2020 census, the city population was 3,105. It is the county seat of Washington...

Highwood is a North Shore suburb of Chicago in Moraine Township, Lake County, Illinois, United States. As of the 2020 census, the population was 5,074. Originally...

(/ˌmɒntɪˈsɛloʊ/ MON-tiss-EL-oh) is a city in and the county seat of Piatt County, Illinois, United States. The population was 5,941 at the 2020 census. Monticello's...

The 2006 Illinois elections were held on November 7, 2006. On that date, registered voters in the State of Illinois elected officeholders for U.S. Congress...

Lyons is a village in Cook County, Illinois, United States. Per the 2020 census, the population was 10,817. The Chicago Portage National Historic Site...

Vermilion County, Illinois, United States. As of the 2020 census, the city population was 3,143. It is part of the Danville, Illinois Metropolitan Statistical...

County, Illinois, United States. The population was 2,777 at the 2020 census. Newton is home to a large coal-fired power plant operated by Illinois Power...

The 2025 Illinois Fighting Illini football team represented the University of Illinois Urbana-Champaign as a member of the Big Ten Conference during the...

Cobden is a village in Union County, Illinois, United States, within the Southern Illinois region informally known as "Little Egypt.” The population estimate...

Missouri French (French: français du Missouri) or Illinois Country French (French: français du Pays des Illinois) also known as français vincennois, français...

Carlyle is a city in and the county seat of Clinton County, Illinois, United States. The population was 3,253 at the 2020 census. Carlyle is located approximately...

The 2025 Southern Illinois Salukis football team represented Southern Illinois University Carbondale as a member of the Missouri Valley Football Conference...

Montgomery County, Illinois, United States. The population was 949 at the 2020 census. Raymond is located in northwestern Montgomery County. Illinois Route 48 passes...

incorporated village located in Milton and Winfield Townships, DuPage County, Illinois, United States. The DuPage River headwaters are located directly to the...

Equality is a village in Equality Township, Gallatin County, Illinois, United States. The population was 539 at the 2020 census. Near the village are two...

between Chicago, Illinois, and Kansas City, Missouri. The road is known as Route 110 in Missouri and Illinois Route 110 (IL 110) in Illinois. IL 110 was created...

Hometown is a city in Cook County, Illinois, United States. The population was 4,343 at the 2020 census. Joseph E. Merrion developed inexpensive duplex...

Pontiac is a city in Livingston County, Illinois, United States, and its county seat. The population was 11,150 in the 2020 census. Pontiac was established...

Bloomingdale is a village in DuPage County, Illinois, United States, settled in 1833, and 25 miles northwest of downtown Chicago. The population was 22...

McHenry is a city in McHenry County, Illinois, United States. It is located about 46 miles northwest of Chicago. Per the 2020 census, the population was...

Shawneetown is a city in Gallatin County, Illinois, United States. The population was 1,054 at the 2020 census. It is the county seat of Gallatin County...

Monroe County with a small portion in St. Clair County in the U.S. state of Illinois, about 12 miles (19 km) south of St. Louis, Missouri. The population was...

Morrison is a town and the county seat of Whiteside County, Illinois, United States. As of the 2020 census, Morrison had a population of 4,085. It is located...

Byron is a city in Ogle County, Illinois, United States, probably best known as the location of the Byron Nuclear Generating Station, one of the last nuclear...

Matteson (/ˈmætɪsən/) is a village in Cook County, Illinois, United States. The population was 19,073 at the 2020 census. It is a suburb of Chicago. The...

New Lenox is a village in central Will County, Illinois, United States. It is a Southwest suburb of Chicago. The village population was 27,214 as of the...

village 23 miles (37 km) southwest of downtown Chicago in Cook County, Illinois, United States. Per the 2020 census, the population was 10,826. According...

Rantoul is a village in northern Champaign County, Illinois, United States. The population was 12,371 at the 2020 census. It is part of the Champaign–Urbana...

Coffeen is a small city in Montgomery County, Illinois, United States. The population was 647 at the 2020 census. Coffeen was named after one of its founders...

village in Georgetown Township, Vermilion County, Illinois, United States. It is part of the Danville, Illinois Metropolitan Statistical Area. As of the 2020...

Albion is a city in and the county seat of Edwards County, Illinois, United States. The population was 1,971 at the 2020 census. The city was named "Albion"...

Peoria and Chillicothe in Peoria County, Illinois, United States. Mossville is part of the Peoria, Illinois Metropolitan Statistical Area and resides...

Stadium is a stadium on the campus of the University of Illinois Urbana-Champaign in Champaign, Illinois, United States. The stadium, used primarily for football...

Earlville is a city in LaSalle County, Illinois, United States. The population was 1,613 at the 2020 census, down from 1,701 at the 2010 census. The city...

The Southern Illinois Salukis are the varsity athletic teams representing Southern Illinois University Carbondale. The nickname comes from the Saluki,...

Wheeling is a village in Cook and Lake counties in the U.S. state of Illinois. It is part of Wheeling and Vernon townships. Wheeling is a suburb of Chicago...

Tornadoes in the U.S. state of Illinois are common, with 3,214 tornadoes occurring within state boundaries since 1950. These tornadoes have collectively...

The 4th congressional district of Illinois includes part of Cook County, and has been represented by Democrat Chuy García since January 2019. The previous...

Manhattan (/mænˈhætən/MANN-haton) is a village or township in Will County, Illinois. The population was 9,385 at the time of the 2020 census. The U.S. Census...

Glen Ellyn is a village in DuPage County, Illinois, United States. A suburb located 24 miles (39 km) due west of downtown Chicago, the village has a population...

Nestled in the northwest suburbs of Chicago, Medinah , Illinois, is an unincorporated community in DuPage County. Medinah is home to the world-class Medinah...

Flora is a city in Clay County, Illinois, United States. The population was 4,803 at the 2020 census. Flora was founded by Samuel White. White was born...

Oakland is a city in Coles County, Illinois, United States. The population was 739 at the 2020 census. Oakland is the nearest community to Walnut Point...

Hopewell is a village in Marshall County, Illinois, United States. The population was 421 at the 2020 census. It is part of the Peoria Metropolitan Statistical...

Peoria County, Illinois, United States. As of the 2020 census, Elmwood had a population of 2,058. Elmwood is part of the Peoria, Illinois Metropolitan Statistical...

Iuka is a village in Marion County, Illinois, United States. The population was 512 at the 2020 census. Iuka is located in eastern Marion County. U.S....

Amboy is a city in Lee County, Illinois, United States, along the Green River. As of the 2020 census, Amboy had a population of 2,278. Amboy had its start...

Lena is a village in Stephenson County, Illinois. The population was 2,772 at the 2020 census. Lena was platted in 1853 and named after a place mentioned...

mainly in Kane County and partly in DuPage County in the U.S. state of Illinois. Located in the Chicago metropolitan area, it was founded in 1833 and is...

The Illinois Fighting Illini (/ɪˈlaɪnaɪ/) are the intercollegiate athletic teams that represent the University of Illinois Urbana-Champaign. The university...

Gillespie is a city in Macoupin County, Illinois, United States, and part of the Metro East region of the St. Louis metropolitan area. The population was...

Effingham County, Illinois, United States. The population was 2,216 at the 2020 census. Altamont is part of the Effingham, Illinois Micropolitan Statistical...

or East Saint Louis, also known as ESTL, is a city in St. Clair County, Illinois, United States. It is across the Mississippi River from downtown St. Louis...

Manteno is a village in Kankakee County, Illinois, United States. The population was 9,210 at the 2020 census. It is part of the Kankakee-Bourbonnais-Bradley...

Bannockburn is a village in West Deerfield and Vernon townships in Lake County, Illinois, United States. Per the 2020 census, the population was 1,013. A northern...

Norridge is a village in Norwood Park Township, Cook County, Illinois, United States. The village and its neighbor to the east, Harwood Heights, together...

Kansas is a village in Kansas Township, Edgar County, Illinois. The population was 670 at the 2020 census. A post office called Kansas has been in operation...

Warren is a village in Jo Daviess County, Illinois, United States. The population was 1,323 at the 2020 census, down from 1,428 at the 2010 census. Warren...

Troy is a city in Madison County, Illinois, United States. The population was 10,960 at the 2020 census, up from 9,888 in 2010. Troy is part of the St...

Fulton is a city in Whiteside County, Illinois, United States. As of the 2020 census, Fulton had a population of 3,647. Fulton is located across the Mississippi...

Cornell is a village in Livingston County, Illinois, United States. The population was 446 at the 2020 census. The modern town of Cornell is a blending...

Genoa is a city in the north-east corner of DeKalb County, Illinois, United States. It is located on the historic Galena-Chicago stagecoach route. At the...

Downers Grove is a village in DuPage County, Illinois, United States. It was founded in 1832 by Pierce Downer, whose surname serves as the eponym for the...

Westmont is a village in DuPage County, Illinois, United States. It is a southwest suburb of Chicago. As of the 2020 census, Westmont had a population...

SHAWM-burg) is a village in Cook and DuPage counties in the U.S. state of Illinois. At the 2020 census, the population was 78,723, making Schaumburg the most...

Seneca is a village in LaSalle and Grundy counties in the U.S. state of Illinois. The population was 2,353 at the 2020 census, down from 2,371 at the 2010...

Warsaw is a city in Hancock County, Illinois, United States. The population was 1,510 at the 2020 census, a decline from 1,607 in 2010. The city of Warsaw...

Livingston is a village in Madison County, Illinois, United States. The population was 763 at the 2020 census, down from 858 in 2010. Livingston had its...

The 2024 Illinois State Redbirds football team represented Illinois State University as a member of the Missouri Valley Football Conference (MVFC) during...

Ashton is a village in Lee County, Illinois, United States. As of the 2020 census, Ashton had a population of 967. Ashton was originally called Ogle Station...

Lanark is a city in Carroll County, Illinois, United States. The population was 1,504 at the 2020 census. The city was named after Lanark, in Scotland...

city located mainly in Madison County and partially in St. Clair County, Illinois, United States. As of the 2020 census, the city had a population of 24...

Christopher is a city in Franklin County, Illinois, United States. The population was 2,697 at the time of the 2020 census. Christopher was founded in...

TCP-Illinois is a variant of TCP congestion control protocol, developed at the University of Illinois at Urbana–Champaign. It is especially targeted at...

Mokena (/moʊˈkinə/ moh-KEE-nuh) is a village in Will County, Illinois, United States. It is a southwest suburb of Chicago. The population was 19,887 at...

Marengo is a city in McHenry County, Illinois, United States on the Kishwaukee River. It lies approximately 60 miles west northwest of Chicago and approximately...

seat of Ogle County, Illinois, United States. As of the 2020 census, Oregon had a population of 3,604. The land Oregon, Illinois was founded on was previously...

Nebo is a village in southern Pike County, Illinois, United States. As of the 2020 census, Nebo had a population of 282. Nebo has three churches scattered...

Illinois's 6th congressional district covers parts of Cook and DuPage counties. It has been represented by Democrat Sean Casten since 2019. For the 118th...

McClure is a village in McClure Precinct, Alexander County, Illinois, United States. It had a population of 256 at the 2020 census. McClure is part of...

Illinois Service, branded Amtrak Illinois, comprises three state-supported passenger rail routes operated by Amtrak in the American state of Illinois...

Elections were held in Illinois on Tuesday, November 2, 1948. Primaries were held April 13, 1948. In the primaries, 1,649,655 ballots were cast (745,645...

Oglesby is a city in LaSalle County, Illinois, United States. The population was 3,712 at the 2020 census, down from 3,791 at the 2010 census. It is part...

Geneseo is a city in Henry County, Illinois, United States. As of the 2020 census, the population was 6,539. Geneseo is 20 miles east of the Quad Cities...

Bellwood is a village in Proviso Township, Cook County, Illinois, United States. Located 13 miles (21 km) west of Chicago's downtown Loop, the Village...

County, Illinois, United States, on the bluffs and part of the floodplain overlooking the Sangamon River. It is part of the Springfield, Illinois metropolitan...

Carterville is a city in Williamson County, Illinois, United States. At the 2020 census, the city's population was 5,848. The city is part of the...

Carmi (CAR-mī) is a city in and the county seat of White County, Illinois, United States, along the Little Wabash River. As of the 2020 census, Carmi had...

Galva is a city in southern Henry County, Illinois, United States. The population was 2,470 at the 2020 census. Cousins William L. Wiley (1820–1900) and...

the State of Illinois Center) is a postmodern-style office building at 100 W. Randolph Street in the Loop district of Chicago, Illinois, United States...

Eastern Illinois University (EIU, Eastern) is a comprehensive public university in Charleston, Illinois, United States. Established in 1895, EIU offers...

Artillery Regiment is an active Field Artillery Branch regiment of the Illinois Army National Guard. The regiment's 2nd Battalion last served as a towed...

man, was lynched and mutilated on November 11, 1909, by a mob in Cairo, Illinois after he was charged with the rape and murder of 23-year-old shop clerk...

begins at Lake Itasca, Minnesota, and passes through Wisconsin, Iowa, Illinois, Missouri, Kentucky, Tennessee, Arkansas, and Mississippi, before terminating...

Chillicothe (/ˌtʃɪlɪˈkɔːθi/) is a town on the Illinois River in Peoria County, Illinois, United States. As of the 2020 census, Chillicothe had a population...

Rosemont is a village in Cook County, Illinois, United States, located immediately northwest of Chicago. As of the 2020 census, the village had a population...

Pierron is a village in Bond and Madison counties, Illinois, United States. The population was 459 at the 2020 census, down from 600 at the 2010 census...

Countryside is a city in Cook County, Illinois, United States. Per the 2020 census, the population was 6,420. The land where Countryside sits was originally...

unionist and politician. She has served as the U.S. representative for Illinois's 13th congressional district since 2023, and is a member of the Democratic...

OSF HealthCare Children's Hospital of Illinois known simply as Children's Hospital of Illinois is a nationally ranked pediatric acute care children's hospital...

Griggsville is a rural town in Griggsville Township, Pike County, Illinois, United States. The population was 1,097 according to the 2020 census. Griggsville...

The 2022 Illinois gubernatorial election took place on November 8, 2022, to elect the governor of Illinois, concurrently with the 2022 Illinois general...

Toulon is a city and the county seat of Stark County, Illinois, United States. As of the 2020 census, Toulon had a population of 1,193. Toulon is part...

The Illinois State Police (ISP) is the state police agency of the U.S. state of Illinois. The Illinois State Police is responsible for traffic safety on...

The Speaker of the Illinois House of Representatives is seventh (behind the Lieutenant Governor, Attorney General, Secretary of State, Comptroller, Treasurer...

Bushnell is a city in McDonough County, Illinois, United States. The population was 2,718 at the 2020 census, down from 3,117 in 2010. The town was founded...

Brookfield (formerly Grossdale) is a village in Cook County, Illinois, United States, located 13 miles (21 km) west of downtown Chicago. Per the 2020 census...

Cambridge is a village in and the county seat of Henry County, Illinois, United States. The population was 2,086 at the 2020 census. After European-American...

Godfrey is a village in Madison County, Illinois, United States. The population was 17,825 at the 2020 census. Godfrey is located within the River Bend...

Des Plaines (/dɪs ˈpleɪnz/ dis PLAYNZ) is a city in Cook County, Illinois, United States. Per the 2020 census, the population was 60,675. The city is a...

Harvard is a city located in McHenry County, Illinois. The population was 9,469 at the 2020 census. The city is 63 miles from the Chicago Loop and it is...

Johnsburg is a village in McHenry County, Illinois, with a population of 6,355 as of the 2020 U.S. census. The area that came to be known as Johnsburg...

The economy of Illinois is the fifth largest by GDP in the United States and one of the most diversified economies in the world. Fueled by the economy...

Historic Places listings in Illinois List of National Historic Landmarks by state List of National Natural Landmarks in Illinois Eligibility was granted in...

Constitution of the State of Illinois is the governing document of the state of Illinois. There have been four Illinois Constitutions, with the fourth...

The secretary of state of Illinois is one of the six elected executive state offices of the government of Illinois, and one of the 47 secretaries of state...

(TIU) is a private Christian university headquartered in Bannockburn, Illinois, United States. It comprises Trinity College, a theological seminary (Trinity...

Illinois Tool Works Inc. (ITW) is an American Fortune 500 company that produces engineered fasteners and components, equipment and consumable systems,...

Dupo is a village in St. Clair County, Illinois, United States. As of the 2020 census, Dupo had a population of 3,996. The village was settled in about...

village in Newell Township, Vermilion County, Illinois, United States. It is part of the Danville, Illinois Metropolitan Statistical Area. The population...

Illinois to establish a practice and enter politics. He served as the Illinois Secretary of State from 1841 to 1843 and as a justice of the Illinois Supreme...

Bath is a village in Mason County, Illinois, United States. The population was 279 at the 2020 census. The area was first settled in 1828 by John Stewart...

Gulfport is a village in Henderson County, Illinois, United States. As of the 2020 census, the village population was 42, down from 54 at the 2010 census...

Evansville is a village in Randolph County, Illinois, United States, on the banks of the Kaskaskia River. The population was 547 at the 2020 census. According...

Momence is a city in Momence Township, Kankakee County, Illinois, United States. Its population was 3,117 at the 2020 census. It is part of the Kankakee–Bradley...

Waterloo is a city in and county seat of Monroe County, Illinois, United States. The population was 11,013 at the 2020 census, up from 9,811 in 2010. Waterloo...

Girard is a city in Macoupin County, Illinois, United States. The population was 1,785 at the 2020 census, down from 2,103 in 2010. Girard is named for...

Jonesboro (/ˈdʒoʊnzbʌrə/) is a city in Union County, Illinois, United States. As of the 2020 census, Jonesboro had a population of 1,711. It is the county...

Reformatory for Women, and Illinois Penitentiary for Women at Dwight, was a women's prison in Livingston County, Illinois, United States, outside the...

McLean is a village in McLean County, Illinois, United States. The population was 743 at the 2020 census, down from 830 in 2010. It is part of the Bloomington–Normal...

Western Illinois University (WIU) is a public university in Macomb, Illinois, United States. It was founded in 1899 as Western Illinois State Normal School...

Chicago Heights is a city in Cook County, Illinois, United States. The population was 27,480 at the 2020 census, and was estimated at 26,533 in 2024. A...

Logan, Illinois may refer to: An alternate name for the village of Hanaford, Illinois Logan, Edgar County, Illinois, an unincorporated community in Edgar...

Elizabethtown is a village in and the county seat of Hardin County, Illinois, United States, along the Ohio River. The population was 220 at the 2020 census...

Plano is a city in Kendall County, Illinois, United States, with a population of 11,847 as of the 2020 census. It is part of the Chicago metropolitan area...

Farina is a village in Fayette and Marion counties, Illinois, United States. The population was 540 at the 2020 census. It is the only community with the...

County, Illinois. As of the 2020 census, its population was 220. The community is located northwest across the railroad tracks along Illinois Route 54...

Pittsburg is a village in Williamson County, Illinois. As of the 2020 census, Pittsburg had a population of 565. Pittsburg was established in 1906 as part...

Frankfort is a village in Will County and Cook County in the U.S. state of Illinois. It is a suburb of Chicago, about 28 miles (45 km) southwest of the city...

Mendota is a city in LaSalle County, Illinois, United States, in the state's north-central region. The population was 7,061 at the 2020 census. It is part...

Illinois Wesleyan University is a private liberal arts college in Bloomington, Illinois, United States. Founded in 1850, the central portion of the present...

Illinois Field is a baseball venue in Champaign, Illinois, home to the University of Illinois Fighting Illini baseball team. It is located in the sports...

Stockton is a village in Jo Daviess County, Illinois, United States. The population was 1,728 at the 2020 census. The village of Stockton is the youngest...

The following is a list of Illinois High School Association member conferences. Schools that belong to these conferences compete with each other on a local...

County, Illinois, United States. The population was 2,690 at the 2020 census. There is, however, a small portion of St. Clair County, Illinois inside Trenton...

The Illinois Fighting Illini football program represents the University of Illinois Urbana-Champaign in college football at the NCAA Division I Football...

Breese is a city in Clinton County, Illinois, United States. Breese is the most populous city completely within Clinton County. As of the 2020 census,...

Stark County, Illinois, United States. As of the 2020 census, Bradford had a population of 676. Bradford is part of the Peoria, Illinois Metropolitan Statistical...

Ludlow is a village in Champaign County, Illinois, United States. The population was 308 at the 2020 census. Once named Pera Station, Ludlow, a prairie...

Murder in Illinois law constitutes the intentional killing, under circumstances defined by law, of people within or under the jurisdiction of the U.S....

Illinois’ 13th Senate district is one of 59 districts in the Illinois Senate. The seat stretches along the southern shoreline of Lake Michigan, from Chicago’s...

a village located near O'Hare International Airport in DuPage County, Illinois, with a portion of the town in Cook County. As of the 2020 census, the...

Pecatonica is a village in Winnebago County, Illinois, United States. It is part of the Rockford, Illinois Metropolitan Statistical Area. The population...

Illinois Brick Co. v. Illinois, 431 U.S. 720 (1977) is a United States Supreme Court case that involved issues concerning statutory standing in antitrust...

village within the Chicago Metropolitan Area of Kane and Kendall counties, Illinois. The village is a suburb/exurb of Chicago located roughly 45 miles (72 km)...

O'Fallon is a city in St. Clair County, Illinois, United States. The 2020 census listed the population at 32,289. The city is the second largest city in...

Moweaqua is a village in Shelby and Christian counties, Illinois, United States. The population was 1,764 at the 2020 census. Moweaqua was named after...

Farmersville is a village in Montgomery County, Illinois, United States. The population was 689 at the 2020 census. Farmersville is in northern Montgomery...

Itasca (/aɪˈtæskə/) is a village in DuPage County, Illinois, United States. Per the 2020 census, the population was 9,543. Located approximately 25 miles...

security) state prison for men in Crest Hill, Illinois, United States, near Chicago. It is part of the Illinois Department of Corrections. The old and smaller...

Steger is a village in Cook County and Will County, Illinois, United States. It is 35 miles (56 km) south of Chicago and had a population of 9,584 at the...

tornado of the entire sequence produced a 155-mile (249 km) track across Illinois on May 26th, killing 108 people and devastating the towns of Charleston...