Class 1Class 1 U.S. senators belong to the electoral cycle that has recently been contested in 2000, 2006, 2012, and 2018. The next election will be in 2024.
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C
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Class 2Class 2 U.S. senators belong to the electoral cycle that has recently been contested in 2002, 2008, 2014, and 2020. The next election will be in 2026.
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Senator
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Party
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Dates in office
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Electoral history
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T
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T
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Electoral history
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Dates in office
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Party
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Senator
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#
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1
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![](//upload.wikimedia.org/wikipedia/commons/thumb/6/6b/Lucius_Lyon.jpg/100px-Lucius_Lyon.jpg) Lucius Lyon
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Jacksonian
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Jan 26, 1837 – Mar 3, 1839
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Elected in 1835 but not seated until 1837 due to a territorial dispute with Ohio.Retired.
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1
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24th
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1
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Elected in 1835 but not seated until 1837 due to a territorial dispute with Ohio.Retired.
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Jan 26, 1837 – Mar 3, 1841
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Jacksonian
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![]() John Norvell
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1
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Democratic
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25th
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Democratic
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Vacant
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Mar 4, 1839 – Jan 20, 1840
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2
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26th
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2
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![](//upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Augustus_Porter.jpg/100px-Augustus_Porter.jpg) Augustus Porter
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Whig
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Jan 20, 1840 – Mar 3, 1845
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Elected late in 1840.Retired.
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27th
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2
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Elected in 1841.Retired.
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Mar 4, 1841 – Mar 3, 1847
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Whig
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![](//upload.wikimedia.org/wikipedia/commons/thumb/7/79/William_Woodbridge.jpg/100px-William_Woodbridge.jpg) William Woodbridge
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2
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28th
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3
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![](//upload.wikimedia.org/wikipedia/commons/thumb/6/6b/Lewis_Cass_-_Brady-Handy.jpg/100px-Lewis_Cass_-_Brady-Handy.jpg) Lewis Cass
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Democratic
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Mar 4, 1845 – May 29, 1848
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Elected in 1844 or 1845.Resigned to run for president.
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3
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29th
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30th
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3
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Elected in 1847.Retired.
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Mar 4, 1847 – Mar 3, 1853
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Democratic
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![](//upload.wikimedia.org/wikipedia/commons/thumb/8/82/Alpheus_Felch.jpg/100px-Alpheus_Felch.jpg) Alpheus Felch
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3
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Vacant
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May 29, 1848 – Jun 8, 1848
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4
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![](//upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Thomas_Fitzgerald.jpg/100px-Thomas_Fitzgerald.jpg) Thomas Fitzgerald
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Democratic
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Jun 8, 1848 – Mar 3, 1849
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Appointed to continue Cass's term.
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5
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![](//upload.wikimedia.org/wikipedia/commons/thumb/6/6b/Lewis_Cass_-_Brady-Handy.jpg/100px-Lewis_Cass_-_Brady-Handy.jpg) Lewis Cass
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Democratic
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Mar 4, 1849 – Mar 3, 1857
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Elected in 1849 to finish his own term.
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31st
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Re-elected in 1850 or 1851.Retired or lost re-election.
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4
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32nd
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33rd
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4
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Elected in 1853.Retired.
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Mar 4, 1853 – Mar 3, 1859
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Democratic
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![](//upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Charles_E_Stuart.jpg/100px-Charles_E_Stuart.jpg) Charles E. Stuart
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4
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34th
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6
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![](//upload.wikimedia.org/wikipedia/commons/thumb/b/b6/Zachariah_Chandler_-_Brady-Handy.jpg/100px-Zachariah_Chandler_-_Brady-Handy.jpg) Zachariah Chandler
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Republican
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Mar 4, 1857 – Mar 3, 1875
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Elected in 1857.
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5
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35th
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36th
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5
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Elected in 1858.Died.
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Mar 4, 1859 – Oct 5, 1861
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Republican
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![](//upload.wikimedia.org/wikipedia/commons/thumb/b/b6/Hon._Kingsley_S._Bingham%2C_Michigan_-_NARA_-_529951cr.jpg/100px-Hon._Kingsley_S._Bingham%2C_Michigan_-_NARA_-_529951cr.jpg) Kinsley S. Bingham
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5
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37th
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Oct 5, 1861 – Jan 17, 1862
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Vacant
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Elected in 1862 to finish Bingham's term.
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Jan 17, 1862 – Mar 3, 1871
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Republican
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![](//upload.wikimedia.org/wikipedia/commons/thumb/e/ea/Jacob_M._Howard_-_Brady-Handy.jpg/100px-Jacob_M._Howard_-_Brady-Handy.jpg) Jacob M. Howard
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6
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Re-elected in 1863.
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6
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38th
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39th
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6
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Re-elected in 1865.Retired or lost re-election.
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40th
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Re-elected in 1869.Lost re-election.
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7
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41st
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42nd
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7
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Elected in 1871.
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Mar 4, 1871 – Mar 3, 1883
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Republican
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![](//upload.wikimedia.org/wikipedia/commons/thumb/c/c5/TWFerry.jpg/100px-TWFerry.jpg) Thomas W. Ferry
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7
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43rd
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7
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![](//upload.wikimedia.org/wikipedia/commons/thumb/9/93/Isaac_P._Christiancy_-_Brady-Handy.jpg/100px-Isaac_P._Christiancy_-_Brady-Handy.jpg) Isaac P. Christiancy
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Republican
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Mar 4, 1875 – Feb 10, 1879
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Elected in 1874.Resigned due to ill health.
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8
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44th
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45th
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8
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Re-elected in 1877.Lost re-election.
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Vacant
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Feb 10, 1879 – Feb 22, 1879
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8
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![](//upload.wikimedia.org/wikipedia/commons/thumb/b/b6/Zachariah_Chandler_-_Brady-Handy.jpg/100px-Zachariah_Chandler_-_Brady-Handy.jpg) Zachariah Chandler
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Republican
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Feb 22, 1879 – Nov 1, 1879
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Elected in 1879 to finish Christiancy's term.Died.
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46th
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Vacant
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Nov 1, 1879 – Nov 17, 1879
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9
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![](//upload.wikimedia.org/wikipedia/commons/thumb/e/ee/SenatorHenryBaldwinofMichigan.JPG/100px-SenatorHenryBaldwinofMichigan.JPG) Henry P. Baldwin
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Republican
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Nov 17, 1879 – Mar 3, 1881
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Appointed to continue Christiancy's term.Elected in 1881 to finish Christiancy's term.Retired.
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10
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![](//upload.wikimedia.org/wikipedia/commons/thumb/9/9f/Omar_D._Conger_-_Brady-Handy.jpg/100px-Omar_D._Conger_-_Brady-Handy.jpg) Omar D. Conger
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Republican
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Mar 4, 1881 – Mar 3, 1887
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Elected in 1881.Lost renomination.
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9
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47th
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48th
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9
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Election year unknown.Retired.
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Mar 4, 1883 – Mar 3, 1889
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Republican
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![](//upload.wikimedia.org/wikipedia/commons/thumb/6/6d/Thomas_Witherell_Palmer.png/100px-Thomas_Witherell_Palmer.png) Thomas W. Palmer
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8
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49th
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11
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![](//upload.wikimedia.org/wikipedia/commons/thumb/0/0f/Francis_Brown_Stockbridge.png/100px-Francis_Brown_Stockbridge.png) Francis B. Stockbridge
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Republican
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Mar 4, 1887 – Apr 30, 1894
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Elected in 1887.
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10
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50th
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51st
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10
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Elected in 1889.
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Mar 4, 1889 – Aug 10, 1902
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Republican
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![](//upload.wikimedia.org/wikipedia/commons/thumb/6/6c/James_McMillan.jpg/100px-James_McMillan.jpg) James McMillan
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9
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52nd
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Re-elected in 1893.Died.
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11
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53rd
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Vacant
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Apr 30, 1894 – May 5, 1894
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12
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![](//upload.wikimedia.org/wikipedia/commons/thumb/1/17/John_Patton_Jr.jpg/100px-John_Patton_Jr.jpg) John Patton Jr.
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Republican
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May 5, 1894 – Jan 24, 1895
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Appointed to continue Stockbridge's term.Lost election to finish term.
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13
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![](//upload.wikimedia.org/wikipedia/commons/thumb/5/5a/Julius_Caesar_Burrows.jpg/100px-Julius_Caesar_Burrows.jpg) Julius C. Burrows
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Republican
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Jan 24, 1895 – Mar 3, 1911
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Elected in 1895 to finish Stockbridge's term.
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54th
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11
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Re-elected in 1895.
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55th
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Re-elected in 1899.
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12
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56th
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57th
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12
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Re-elected in 1901.Died.
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Aug 10, 1902 – Sep 27, 1902
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Vacant
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Appointed to continue McMillan's term.Elected in 1903 to finish McMillan's term.[2]Died.
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Sep 27, 1902 – Jan 24, 1907
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Republican
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![](//upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Russell_Alexander_Alger_by_by_The_Detroit_Publishing_Co..jpg/100px-Russell_Alexander_Alger_by_by_The_Detroit_Publishing_Co..jpg) Russell A. Alger
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10
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58th
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Re-elected in 1905.Lost renomination.
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13
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59th
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Jan 24, 1907 – Feb 9, 1907
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Vacant
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Elected in 1907 to finish McMillan's term, having already been elected to the next term.[3]
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Feb 9, 1907 – Mar 3, 1919
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Republican
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![](//upload.wikimedia.org/wikipedia/commons/thumb/c/ce/William_Alden_Smith_4.jpg/100px-William_Alden_Smith_4.jpg) William A. Smith
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11
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60th
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13
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Elected in 1907.[3]
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61st
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14
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![](//upload.wikimedia.org/wikipedia/commons/thumb/7/76/Charles_Elroy_Townsend.jpg/100px-Charles_Elroy_Townsend.jpg) Charles E. Townsend
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Republican
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Mar 4, 1911 – Mar 3, 1923
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Elected in 1911.
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14
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62nd
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63rd
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14
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Re-elected in 1913.Retired.
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64th
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Re-elected in 1916.Lost re-election.
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15
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65th
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66th
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15
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Elected in 1918.Resigned.
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Mar 4, 1919 – Nov 18, 1922
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Republican
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![](//upload.wikimedia.org/wikipedia/commons/thumb/d/d1/Truman_Handy_Newberry_%28cropped%29.jpg/100px-Truman_Handy_Newberry_%28cropped%29.jpg) Truman H. Newberry
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12
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67th
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Nov 18, 1922 – Nov 29, 1922
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Vacant
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Appointed to continue Newberry's term.Elected in 1924 to finish Newberry's term.
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Nov 29, 1922 – Oct 22, 1936
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Republican
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![](//upload.wikimedia.org/wikipedia/commons/thumb/4/47/James_Couzens.jpg/100px-James_Couzens.jpg) James Couzens
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13
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15
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![](//upload.wikimedia.org/wikipedia/commons/thumb/6/60/WoodbridgeFerris.jpg/100px-WoodbridgeFerris.jpg) Woodbridge N. Ferris
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Democratic
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Mar 4, 1923 – Mar 23, 1928
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Elected in 1922.Died.
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16
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68th
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69th
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16
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Re-elected in 1924.
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70th
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Vacant
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Mar 23, 1928 – Mar 31, 1928
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16
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![](//upload.wikimedia.org/wikipedia/commons/thumb/8/8c/VANDENBURG%2C_ARTHUR_H._SENATOR_LCCN2016862580_%28cropped%29.jpg/100px-VANDENBURG%2C_ARTHUR_H._SENATOR_LCCN2016862580_%28cropped%29.jpg) Arthur Vandenberg
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Republican
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Mar 31, 1928 – Apr 18, 1951
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Appointed to continue Ferris's term.Elected in 1928 to finish Ferris's term.
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Elected in 1928.
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17
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71st
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72nd
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17
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Re-elected in 1930.Died.
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73rd
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Re-elected in 1934.
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18
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74th
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Oct 22, 1936 – Nov 19, 1936
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Vacant
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Appointed to finish Couzens's term, having already been elected to the next term.
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Nov 19, 1936 – Jan 3, 1943
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Democratic
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![](//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/Prentiss_Marsh_Brown.jpg/100px-Prentiss_Marsh_Brown.jpg) Prentiss M. Brown
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14
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75th
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18
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Elected in 1936.Lost re-election.
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76th
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Re-elected in 1940.
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19
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77th
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78th
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19
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Elected in 1942.
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Jan 3, 1943 – Jan 3, 1955
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Republican
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![](//upload.wikimedia.org/wikipedia/commons/thumb/c/c9/HomerFerguson.jpg/100px-HomerFerguson.jpg) Homer Ferguson
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15
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79th
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Re-elected in 1946.Died.
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20
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80th
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81st
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20
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Re-elected in 1948.Lost re-election.
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82nd
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Vacant
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Apr 18, 1951 – Apr 23, 1951
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17
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![](//upload.wikimedia.org/wikipedia/commons/thumb/6/6b/MoodyBlair.jpg/100px-MoodyBlair.jpg) Blair Moody
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Democratic
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Apr 23, 1951 – Nov 4, 1952
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Appointed to continue Vandenberg's term.Lost election to finish term.
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18
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![](//upload.wikimedia.org/wikipedia/commons/thumb/7/72/Charles_Potter.jpg/100px-Charles_Potter.jpg) Charles E. Potter
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Republican
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Nov 5, 1952 – Jan 3, 1959
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Elected in 1952 to finish Vandenberg's term.
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Elected to full term in 1952.Lost re-election.
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21
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83rd
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84th
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21
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Elected in 1954.
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Jan 3, 1955 – Apr 30, 1966
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Democratic
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![](//upload.wikimedia.org/wikipedia/commons/thumb/0/0d/Patrick_V._McNamara_1965.png/100px-Patrick_V._McNamara_1965.png) Patrick V. McNamara
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16
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85th
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19
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![](//upload.wikimedia.org/wikipedia/commons/thumb/a/a1/Philip_Hart_%28D-MI%29.jpg/100px-Philip_Hart_%28D-MI%29.jpg) Philip Hart
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Democratic
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Jan 3, 1959 – Dec 26, 1976
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Elected in 1958.
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22
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86th
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87th
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22
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Re-elected in 1960.Died.
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88th
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Re-elected in 1964.
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23
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89th
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Apr 30, 1966 – May 11, 1966
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Vacant
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Appointed to finish McNamara's term.
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May 11, 1966 – Jan 3, 1979
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Republican
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![](//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/Robert_Paul_Griffin.jpg/100px-Robert_Paul_Griffin.jpg) Robert P. Griffin
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17
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90th
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23
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Elected to full term in 1966
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91st
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Re-elected in 1970.Announced retirement, then died before the end of the term.
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24
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92nd
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93rd
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24
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Re-elected in 1972.Lost re-election.
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94th
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Vacant
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Dec 26, 1976 – Dec 30, 1976
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20
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![](//upload.wikimedia.org/wikipedia/commons/thumb/7/72/Don_Riegle%2C_Jr.jpg/100px-Don_Riegle%2C_Jr.jpg) Donald Riegle
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Democratic
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Dec 30, 1976 – Jan 3, 1995
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Appointed early to finish Hart's term, having already been elected to the next term.
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Elected in 1976
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25
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95th
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96th
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25
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Elected in 1978.
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Jan 3, 1979 – Jan 3, 2015
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Democratic
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![](//upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Carl_Levin_official_portrait.jpg/100px-Carl_Levin_official_portrait.jpg) Carl Levin
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18
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97th
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Re-elected in 1982.
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26
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98th
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99th
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26
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Re-elected in 1984.
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100th
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Re-elected in 1988.Retired.
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27
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101st
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102nd
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27
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Re-elected in 1990.
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103rd
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21
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![](//upload.wikimedia.org/wikipedia/commons/thumb/e/e3/Spencer_Abraham.jpg/100px-Spencer_Abraham.jpg) Spencer Abraham
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Republican
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Jan 3, 1995 – Jan 3, 2001
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Elected in 1994.Lost re-election.
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28
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104th
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105th
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28
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Re-elected in 1996.
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106th
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22
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![](//upload.wikimedia.org/wikipedia/commons/thumb/5/5e/Debbie_Stabenow%2C_official_portrait_2.jpg/100px-Debbie_Stabenow%2C_official_portrait_2.jpg) Debbie Stabenow
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Democratic
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Jan 3, 2001 – present
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Elected in 2000.
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29
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107th
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108th
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29
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Re-elected in 2002.
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109th
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Re-elected in 2006.
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30
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110th
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111th
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30
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Re-elected in 2008.Retired.
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112th
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Re-elected in 2012.
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31
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113th
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114th
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31
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Elected in 2014.
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Jan 3, 2015 – present
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Democratic
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![](//upload.wikimedia.org/wikipedia/commons/thumb/4/49/Gary_Peters%2C_official_portrait%2C_114th_Congress.jpg/100px-Gary_Peters%2C_official_portrait%2C_114th_Congress.jpg) Gary Peters
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19
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115th
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Re-elected in 2018.
Retiring at the end of term.
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32
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116th
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117th
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32
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Re-elected in 2020.
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118th
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To be determined in the 2024 election.
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33
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119th
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120th
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33
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To be determined in the 2026 election.
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#
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Senator
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Party
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Years in office
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Electoral history
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T
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C
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T
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Electoral history
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Years in office
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Party
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Senator
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#
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Class 1
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Class 2
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