At the 2020 United States Census, 714,417 of the 5,773,714 Colorado residents (12.37%) lived in one of these 210 census-designated places. Another 4,299,942 residents (74.47%) lived in one of the 272 municipalities of the state, while the remaining 759,355 residents (13.15%) lived in the many rural and mountainous regions of the state.[2]
Colorado CDPs range in population from Highlands Ranch with a 2020 population of 103,444 to Fulford which lost both of its residents before the 2020 Census. Black Forest is the most extensive CDP with 101 square miles (261 km2) of land area, while Blue Sky is the least extensive with 23 acres (0.093 km2) of land area. Orchard Mesa was the most densely populated with a 2020 population density of 41,840 residents per square mile (16,155/km2), while Cathedral was the lease densely populated of the populated CDPs with 0.70 resident per square mile (0.27/km2).
The following table contains the 2020 population of each of the five census-designated places that currently extend into more than one Colorado county.
Colorado census-designated places in multiple counties