# List of United States senators from Michigan

Michigan was admitted to the Union on January 26, 1837. Its current U.S. senators are Democrats Gary Peters and Elissa Slotkin. Carl Levin was Michigan's longest-serving senator (1979–2015). Four Michigan senators have risen to the position of President pro tempore, and one (Thomas W. Ferry) served as President of the Senate from November 22, 1875 to March 3, 1877 (as acting Vice President of the United States).

## List of senators

| Class 1Class 1 U.S. senators belong to the electoral cycle that has recently been contested in 2006, 2012, 2018, and 2024. The next election will be in 2030. | Class 1Class 1 U.S. senators belong to the electoral cycle that has recently been contested in 2006, 2012, 2018, and 2024. The next election will be in 2030. | Class 1Class 1 U.S. senators belong to the electoral cycle that has recently been contested in 2006, 2012, 2018, and 2024. The next election will be in 2030. | Class 1Class 1 U.S. senators belong to the electoral cycle that has recently been contested in 2006, 2012, 2018, and 2024. The next election will be in 2030. | Class 1Class 1 U.S. senators belong to the electoral cycle that has recently been contested in 2006, 2012, 2018, and 2024. The next election will be in 2030. | Class 1Class 1 U.S. senators belong to the electoral cycle that has recently been contested in 2006, 2012, 2018, and 2024. The next election will be in 2030. | C | 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. | 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. | 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. | 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. | 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. | 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. |
| # | Senator | Party | Dates in office | Electoral history | T | C | T | Electoral history | Dates in office | Party | Senator | # |
| 1 | Lucius Lyon | Jacksonian | Jan 26, 1837 – Mar 3, 1839 | Elected in 1835 but not seated until 1837 due to a territorial dispute with Ohio.Retired. | 1 | 24th | 1 | Elected in 1835 but not seated until 1837 due to a territorial dispute with Ohio.Retired. | Jan 26, 1837 – Mar 3, 1841 | Jacksonian | John Norvell | 1 |
| 1 | Lucius Lyon | Democratic | Jan 26, 1837 – Mar 3, 1839 | Elected in 1835 but not seated until 1837 due to a territorial dispute with Ohio.Retired. | 1 | 25th | 1 | Elected in 1835 but not seated until 1837 due to a territorial dispute with Ohio.Retired. | Jan 26, 1837 – Mar 3, 1841 | Democratic | John Norvell | 1 |
| Vacant | Vacant | Vacant | Mar 4, 1839 – Jan 20, 1840 | | 2 | 26th | 1 | Elected in 1835 but not seated until 1837 due to a territorial dispute with Ohio.Retired. | Jan 26, 1837 – Mar 3, 1841 | Democratic | John Norvell | 1 |
| 2 | Augustus Porter | Whig | Jan 20, 1840 – Mar 3, 1845 | Elected late in 1840.Retired. | 2 | 26th | 1 | Elected in 1835 but not seated until 1837 due to a territorial dispute with Ohio.Retired. | Jan 26, 1837 – Mar 3, 1841 | Democratic | John Norvell | 1 |
| 2 | Augustus Porter | Whig | Jan 20, 1840 – Mar 3, 1845 | Elected late in 1840.Retired. | 2 | 27th | 2 | Elected in 1841.Retired. | Mar 4, 1841 – Mar 3, 1847 | Whig | William Woodbridge | 2 |
| 2 | Augustus Porter | Whig | Jan 20, 1840 – Mar 3, 1845 | Elected late in 1840.Retired. | 2 | 28th | 2 | Elected in 1841.Retired. | Mar 4, 1841 – Mar 3, 1847 | Whig | William Woodbridge | 2 |
| 3 | Lewis Cass | Democratic | Mar 4, 1845 – May 29, 1848 | Elected in 1844 or 1845.Resigned to run for president. | 3 | 29th | 2 | Elected in 1841.Retired. | Mar 4, 1841 – Mar 3, 1847 | Whig | William Woodbridge | 2 |
| 3 | Lewis Cass | Democratic | Mar 4, 1845 – May 29, 1848 | Elected in 1844 or 1845.Resigned to run for president. | 3 | 30th | 3 | Elected in 1847.Retired. | Mar 4, 1847 – Mar 3, 1853 | Democratic | Alpheus Felch | 3 |
| Vacant | Vacant | Vacant | May 29, 1848 – Jun 8, 1848 | | 3 | 30th | 3 | Elected in 1847.Retired. | Mar 4, 1847 – Mar 3, 1853 | Democratic | Alpheus Felch | 3 |
| 4 | Thomas Fitzgerald | Democratic | Jun 8, 1848 – Mar 3, 1849 | Appointed to continue Cass's term. | 3 | 30th | 3 | Elected in 1847.Retired. | Mar 4, 1847 – Mar 3, 1853 | Democratic | Alpheus Felch | 3 |
| 5 | Lewis Cass | Democratic | Mar 4, 1849 – Mar 3, 1857 | Elected in 1849 to finish his own term. | 3 | 31st | 3 | Elected in 1847.Retired. | Mar 4, 1847 – Mar 3, 1853 | Democratic | Alpheus Felch | 3 |
| 5 | Lewis Cass | Democratic | Mar 4, 1849 – Mar 3, 1857 | Re-elected in 1850 or 1851.Retired or lost re-election. | 4 | 32nd | 3 | Elected in 1847.Retired. | Mar 4, 1847 – Mar 3, 1853 | Democratic | Alpheus Felch | 3 |
| 5 | Lewis Cass | Democratic | Mar 4, 1849 – Mar 3, 1857 | Re-elected in 1850 or 1851.Retired or lost re-election. | 4 | 33rd | 4 | Elected in 1853.Retired. | Mar 4, 1853 – Mar 3, 1859 | Democratic | Charles E. Stuart | 4 |
| 5 | Lewis Cass | Democratic | Mar 4, 1849 – Mar 3, 1857 | Re-elected in 1850 or 1851.Retired or lost re-election. | 4 | 34th | 4 | Elected in 1853.Retired. | Mar 4, 1853 – Mar 3, 1859 | Democratic | Charles E. Stuart | 4 |
| 6 | Zachariah Chandler | Republican | Mar 4, 1857 – Mar 3, 1875 | Elected in 1857. | 5 | 35th | 4 | Elected in 1853.Retired. | Mar 4, 1853 – Mar 3, 1859 | Democratic | Charles E. Stuart | 4 |
| 6 | Zachariah Chandler | Republican | Mar 4, 1857 – Mar 3, 1875 | Elected in 1857. | 5 | 36th | 5 | Elected in 1858.Died. | Mar 4, 1859 – Oct 5, 1861 | Republican | Kinsley S. Bingham | 5 |
| 6 | Zachariah Chandler | Republican | Mar 4, 1857 – Mar 3, 1875 | Elected in 1857. | 5 | 37th | 5 | Elected in 1858.Died. | Mar 4, 1859 – Oct 5, 1861 | Republican | Kinsley S. Bingham | 5 |
| 6 | Zachariah Chandler | Republican | Mar 4, 1857 – Mar 3, 1875 | Elected in 1857. | 5 | 37th | 5 | | Oct 5, 1861 – Jan 17, 1862 | Vacant | Vacant | Vacant |
| 6 | Zachariah Chandler | Republican | Mar 4, 1857 – Mar 3, 1875 | Elected in 1857. | 5 | 37th | 5 | Elected in 1862 to finish Bingham's term. | Jan 17, 1862 – Mar 3, 1871 | Republican | Jacob M. Howard | 6 |
| 6 | Zachariah Chandler | Republican | Mar 4, 1857 – Mar 3, 1875 | Re-elected in 1863. | 6 | 38th | 5 | Elected in 1862 to finish Bingham's term. | Jan 17, 1862 – Mar 3, 1871 | Republican | Jacob M. Howard | 6 |
| 6 | Zachariah Chandler | Republican | Mar 4, 1857 – Mar 3, 1875 | Re-elected in 1863. | 6 | 39th | 6 | Re-elected in 1865.Retired or lost re-election. | Jan 17, 1862 – Mar 3, 1871 | Republican | Jacob M. Howard | 6 |
| 6 | Zachariah Chandler | Republican | Mar 4, 1857 – Mar 3, 1875 | Re-elected in 1863. | 6 | 40th | 6 | Re-elected in 1865.Retired or lost re-election. | Jan 17, 1862 – Mar 3, 1871 | Republican | Jacob M. Howard | 6 |
| 6 | Zachariah Chandler | Republican | Mar 4, 1857 – Mar 3, 1875 | Re-elected in 1869.Lost re-election. | 7 | 41st | 6 | Re-elected in 1865.Retired or lost re-election. | Jan 17, 1862 – Mar 3, 1871 | Republican | Jacob M. Howard | 6 |
| 6 | Zachariah Chandler | Republican | Mar 4, 1857 – Mar 3, 1875 | Re-elected in 1869.Lost re-election. | 7 | 42nd | 7 | Elected in 1871. | Mar 4, 1871 – Mar 3, 1883 | Republican | Thomas W. Ferry | 7 |
| 6 | Zachariah Chandler | Republican | Mar 4, 1857 – Mar 3, 1875 | Re-elected in 1869.Lost re-election. | 7 | 43rd | 7 | Elected in 1871. | Mar 4, 1871 – Mar 3, 1883 | Republican | Thomas W. Ferry | 7 |
| 7 | Isaac P. Christiancy | Republican | Mar 4, 1875 – Feb 10, 1879 | Elected in 1874.Resigned due to ill health. | 8 | 44th | 7 | Elected in 1871. | Mar 4, 1871 – Mar 3, 1883 | Republican | Thomas W. Ferry | 7 |
| 7 | Isaac P. Christiancy | Republican | Mar 4, 1875 – Feb 10, 1879 | Elected in 1874.Resigned due to ill health. | 8 | 45th | 8 | Re-elected in 1877.Lost re-election. | Mar 4, 1871 – Mar 3, 1883 | Republican | Thomas W. Ferry | 7 |
| Vacant | Vacant | Vacant | Feb 10, 1879 – Feb 22, 1879 | | 8 | 45th | 8 | Re-elected in 1877.Lost re-election. | Mar 4, 1871 – Mar 3, 1883 | Republican | Thomas W. Ferry | 7 |
| 8 | Zachariah Chandler | Republican | Feb 22, 1879 – Nov 1, 1879 | Elected in 1879 to finish Christiancy's term.Died. | 8 | 45th | 8 | Re-elected in 1877.Lost re-election. | Mar 4, 1871 – Mar 3, 1883 | Republican | Thomas W. Ferry | 7 |
| 8 | Zachariah Chandler | Republican | Feb 22, 1879 – Nov 1, 1879 | Elected in 1879 to finish Christiancy's term.Died. | 8 | 46th | 8 | Re-elected in 1877.Lost re-election. | Mar 4, 1871 – Mar 3, 1883 | Republican | Thomas W. Ferry | 7 |
| Vacant | Vacant | Vacant | Nov 1, 1879 – Nov 17, 1879 | | 8 | 46th | 8 | Re-elected in 1877.Lost re-election. | Mar 4, 1871 – Mar 3, 1883 | Republican | Thomas W. Ferry | 7 |
| 9 | Henry P. Baldwin | Republican | Nov 17, 1879 – Mar 3, 1881 | Appointed to continue Christiancy's term.Elected in 1881 to finish Christiancy's term.Retired. | 8 | 46th | 8 | Re-elected in 1877.Lost re-election. | Mar 4, 1871 – Mar 3, 1883 | Republican | Thomas W. Ferry | 7 |
| 10 | Omar D. Conger | Republican | Mar 4, 1881 – Mar 3, 1887 | Elected in 1881.Lost renomination. | 9 | 47th | 8 | Re-elected in 1877.Lost re-election. | Mar 4, 1871 – Mar 3, 1883 | Republican | Thomas W. Ferry | 7 |
| 10 | Omar D. Conger | Republican | Mar 4, 1881 – Mar 3, 1887 | Elected in 1881.Lost renomination. | 9 | 48th | 9 | Election year unknown.Retired. | Mar 4, 1883 – Mar 3, 1889 | Republican | Thomas W. Palmer | 8 |
| 10 | Omar D. Conger | Republican | Mar 4, 1881 – Mar 3, 1887 | Elected in 1881.Lost renomination. | 9 | 49th | 9 | Election year unknown.Retired. | Mar 4, 1883 – Mar 3, 1889 | Republican | Thomas W. Palmer | 8 |
| 11 | Francis B. Stockbridge | Republican | Mar 4, 1887 – Apr 30, 1894 | Elected in 1887. | 10 | 50th | 9 | Election year unknown.Retired. | Mar 4, 1883 – Mar 3, 1889 | Republican | Thomas W. Palmer | 8 |
| 11 | Francis B. Stockbridge | Republican | Mar 4, 1887 – Apr 30, 1894 | Elected in 1887. | 10 | 51st | 10 | Elected in 1889. | Mar 4, 1889 – Aug 10, 1902 | Republican | James McMillan | 9 |
| 11 | Francis B. Stockbridge | Republican | Mar 4, 1887 – Apr 30, 1894 | Elected in 1887. | 10 | 52nd | 10 | Elected in 1889. | Mar 4, 1889 – Aug 10, 1902 | Republican | James McMillan | 9 |
| 11 | Francis B. Stockbridge | Republican | Mar 4, 1887 – Apr 30, 1894 | Re-elected in 1893.Died. | 11 | 53rd | 10 | Elected in 1889. | Mar 4, 1889 – Aug 10, 1902 | Republican | James McMillan | 9 |
| Vacant | Vacant | Vacant | Apr 30, 1894 – May 5, 1894 | | 11 | 53rd | 10 | Elected in 1889. | Mar 4, 1889 – Aug 10, 1902 | Republican | James McMillan | 9 |
| 12 | John Patton Jr. | Republican | May 5, 1894 – Jan 24, 1895 | Appointed to continue Stockbridge's term.Lost election to finish term. | 11 | 53rd | 10 | Elected in 1889. | Mar 4, 1889 – Aug 10, 1902 | Republican | James McMillan | 9 |
| 13 | Julius C. Burrows | Republican | Jan 24, 1895 – Mar 3, 1911 | Elected in 1895 to finish Stockbridge's term. | 11 | 53rd | 10 | Elected in 1889. | Mar 4, 1889 – Aug 10, 1902 | Republican | James McMillan | 9 |
| 13 | Julius C. Burrows | Republican | Jan 24, 1895 – Mar 3, 1911 | Elected in 1895 to finish Stockbridge's term. | 11 | 54th | 11 | Re-elected in 1895. | Mar 4, 1889 – Aug 10, 1902 | Republican | James McMillan | 9 |
| 13 | Julius C. Burrows | Republican | Jan 24, 1895 – Mar 3, 1911 | Elected in 1895 to finish Stockbridge's term. | 11 | 55th | 11 | Re-elected in 1895. | Mar 4, 1889 – Aug 10, 1902 | Republican | James McMillan | 9 |
| 13 | Julius C. Burrows | Republican | Jan 24, 1895 – Mar 3, 1911 | Re-elected in 1899. | 12 | 56th | 11 | Re-elected in 1895. | Mar 4, 1889 – Aug 10, 1902 | Republican | James McMillan | 9 |
| 13 | Julius C. Burrows | Republican | Jan 24, 1895 – Mar 3, 1911 | Re-elected in 1899. | 12 | 57th | 12 | Re-elected in 1901.Died. | Mar 4, 1889 – Aug 10, 1902 | Republican | James McMillan | 9 |
| 13 | Julius C. Burrows | Republican | Jan 24, 1895 – Mar 3, 1911 | Re-elected in 1899. | 12 | 57th | 12 | | Aug 10, 1902 – Sep 27, 1902 | Vacant | Vacant | Vacant |
| 13 | Julius C. Burrows | Republican | Jan 24, 1895 – Mar 3, 1911 | Re-elected in 1899. | 12 | 57th | 12 | Appointed to continue McMillan's term.Elected in 1903 to finish McMillan's term.Died. | Sep 27, 1902 – Jan 24, 1907 | Republican | Russell A. Alger | 10 |
| 13 | Julius C. Burrows | Republican | Jan 24, 1895 – Mar 3, 1911 | Re-elected in 1899. | 12 | 58th | 12 | Appointed to continue McMillan's term.Elected in 1903 to finish McMillan's term.Died. | Sep 27, 1902 – Jan 24, 1907 | Republican | Russell A. Alger | 10 |
| 13 | Julius C. Burrows | Republican | Jan 24, 1895 – Mar 3, 1911 | Re-elected in 1905.Lost renomination. | 13 | 59th | 12 | Appointed to continue McMillan's term.Elected in 1903 to finish McMillan's term.Died. | Sep 27, 1902 – Jan 24, 1907 | Republican | Russell A. Alger | 10 |
| 13 | Julius C. Burrows | Republican | Jan 24, 1895 – Mar 3, 1911 | Re-elected in 1905.Lost renomination. | 13 | 59th | 12 | | Jan 24, 1907 – Feb 9, 1907 | Vacant | Vacant | Vacant |
| 13 | Julius C. Burrows | Republican | Jan 24, 1895 – Mar 3, 1911 | Re-elected in 1905.Lost renomination. | 13 | 59th | 12 | Elected in 1907 to finish McMillan's term, having already been elected to the next term. | Feb 9, 1907 – Mar 3, 1919 | Republican | William A. Smith | 11 |
| 13 | Julius C. Burrows | Republican | Jan 24, 1895 – Mar 3, 1911 | Re-elected in 1905.Lost renomination. | 13 | 60th | 13 | Elected in 1907. | Feb 9, 1907 – Mar 3, 1919 | Republican | William A. Smith | 11 |
| 13 | Julius C. Burrows | Republican | Jan 24, 1895 – Mar 3, 1911 | Re-elected in 1905.Lost renomination. | 13 | 61st | 13 | Elected in 1907. | Feb 9, 1907 – Mar 3, 1919 | Republican | William A. Smith | 11 |
| 14 | Charles E. Townsend | Republican | Mar 4, 1911 – Mar 3, 1923 | Elected in 1911. | 14 | 62nd | 13 | Elected in 1907. | Feb 9, 1907 – Mar 3, 1919 | Republican | William A. Smith | 11 |
| 14 | Charles E. Townsend | Republican | Mar 4, 1911 – Mar 3, 1923 | Elected in 1911. | 14 | 63rd | 14 | Re-elected in 1913.Retired. | Feb 9, 1907 – Mar 3, 1919 | Republican | William A. Smith | 11 |
| 14 | Charles E. Townsend | Republican | Mar 4, 1911 – Mar 3, 1923 | Elected in 1911. | 14 | 64th | 14 | Re-elected in 1913.Retired. | Feb 9, 1907 – Mar 3, 1919 | Republican | William A. Smith | 11 |
| 14 | Charles E. Townsend | Republican | Mar 4, 1911 – Mar 3, 1923 | Re-elected in 1916.Lost re-election. | 15 | 65th | 14 | Re-elected in 1913.Retired. | Feb 9, 1907 – Mar 3, 1919 | Republican | William A. Smith | 11 |
| 14 | Charles E. Townsend | Republican | Mar 4, 1911 – Mar 3, 1923 | Re-elected in 1916.Lost re-election. | 15 | 66th | 15 | Elected in 1918.Resigned. | Mar 4, 1919 – Nov 18, 1922 | Republican | Truman H. Newberry | 12 |
| 14 | Charles E. Townsend | Republican | Mar 4, 1911 – Mar 3, 1923 | Re-elected in 1916.Lost re-election. | 15 | 67th | 15 | Elected in 1918.Resigned. | Mar 4, 1919 – Nov 18, 1922 | Republican | Truman H. Newberry | 12 |
| 14 | Charles E. Townsend | Republican | Mar 4, 1911 – Mar 3, 1923 | Re-elected in 1916.Lost re-election. | 15 | 67th | 15 | | Nov 18, 1922 – Nov 29, 1922 | Vacant | Vacant | Vacant |
| 14 | Charles E. Townsend | Republican | Mar 4, 1911 – Mar 3, 1923 | Re-elected in 1916.Lost re-election. | 15 | 67th | 15 | Appointed to continue Newberry's term.Elected in 1924 to finish Newberry's term. | Nov 29, 1922 – Oct 22, 1936 | Republican | James Couzens | 13 |
| 15 | Woodbridge N. Ferris | Democratic | Mar 4, 1923 – Mar 23, 1928 | Elected in 1922.Died. | 16 | 68th | 15 | Appointed to continue Newberry's term.Elected in 1924 to finish Newberry's term. | Nov 29, 1922 – Oct 22, 1936 | Republican | James Couzens | 13 |
| 15 | Woodbridge N. Ferris | Democratic | Mar 4, 1923 – Mar 23, 1928 | Elected in 1922.Died. | 16 | 69th | 16 | Re-elected in 1924. | Nov 29, 1922 – Oct 22, 1936 | Republican | James Couzens | 13 |
| 15 | Woodbridge N. Ferris | Democratic | Mar 4, 1923 – Mar 23, 1928 | Elected in 1922.Died. | 16 | 70th | 16 | Re-elected in 1924. | Nov 29, 1922 – Oct 22, 1936 | Republican | James Couzens | 13 |
| Vacant | Vacant | Vacant | Mar 23, 1928 – Mar 31, 1928 | | 16 | 70th | 16 | Re-elected in 1924. | Nov 29, 1922 – Oct 22, 1936 | Republican | James Couzens | 13 |
| 16 | Arthur Vandenberg | Republican | Mar 31, 1928 – Apr 18, 1951 | Appointed to continue Ferris's term.Elected in 1928 to finish Ferris's term. | 16 | 70th | 16 | Re-elected in 1924. | Nov 29, 1922 – Oct 22, 1936 | Republican | James Couzens | 13 |
| 16 | Arthur Vandenberg | Republican | Mar 31, 1928 – Apr 18, 1951 | Elected in 1928. | 17 | 71st | 16 | Re-elected in 1924. | Nov 29, 1922 – Oct 22, 1936 | Republican | James Couzens | 13 |
| 16 | Arthur Vandenberg | Republican | Mar 31, 1928 – Apr 18, 1951 | Elected in 1928. | 17 | 72nd | 17 | Re-elected in 1930.Died. | Nov 29, 1922 – Oct 22, 1936 | Republican | James Couzens | 13 |
| 16 | Arthur Vandenberg | Republican | Mar 31, 1928 – Apr 18, 1951 | Elected in 1928. | 17 | 73rd | 17 | Re-elected in 1930.Died. | Nov 29, 1922 – Oct 22, 1936 | Republican | James Couzens | 13 |
| 16 | Arthur Vandenberg | Republican | Mar 31, 1928 – Apr 18, 1951 | Re-elected in 1934. | 18 | 74th | 17 | Re-elected in 1930.Died. | Nov 29, 1922 – Oct 22, 1936 | Republican | James Couzens | 13 |
| 16 | Arthur Vandenberg | Republican | Mar 31, 1928 – Apr 18, 1951 | Re-elected in 1934. | 18 | 74th | 17 | | Oct 22, 1936 – Nov 19, 1936 | Vacant | Vacant | Vacant |
| 16 | Arthur Vandenberg | Republican | Mar 31, 1928 – Apr 18, 1951 | Re-elected in 1934. | 18 | 74th | 17 | Appointed to finish Couzens's term, having already been elected to the next term. | Nov 19, 1936 – Jan 3, 1943 | Democratic | Prentiss M. Brown | 14 |
| 16 | Arthur Vandenberg | Republican | Mar 31, 1928 – Apr 18, 1951 | Re-elected in 1934. | 18 | 75th | 18 | Elected in 1936.Lost re-election. | Nov 19, 1936 – Jan 3, 1943 | Democratic | Prentiss M. Brown | 14 |
| 16 | Arthur Vandenberg | Republican | Mar 31, 1928 – Apr 18, 1951 | Re-elected in 1934. | 18 | 76th | 18 | Elected in 1936.Lost re-election. | Nov 19, 1936 – Jan 3, 1943 | Democratic | Prentiss M. Brown | 14 |
| 16 | Arthur Vandenberg | Republican | Mar 31, 1928 – Apr 18, 1951 | Re-elected in 1940. | 19 | 77th | 18 | Elected in 1936.Lost re-election. | Nov 19, 1936 – Jan 3, 1943 | Democratic | Prentiss M. Brown | 14 |
| 16 | Arthur Vandenberg | Republican | Mar 31, 1928 – Apr 18, 1951 | Re-elected in 1940. | 19 | 78th | 19 | Elected in 1942. | Jan 3, 1943 – Jan 3, 1955 | Republican | Homer Ferguson | 15 |
| 16 | Arthur Vandenberg | Republican | Mar 31, 1928 – Apr 18, 1951 | Re-elected in 1940. | 19 | 79th | 19 | Elected in 1942. | Jan 3, 1943 – Jan 3, 1955 | Republican | Homer Ferguson | 15 |
| 16 | Arthur Vandenberg | Republican | Mar 31, 1928 – Apr 18, 1951 | Re-elected in 1946.Died. | 20 | 80th | 19 | Elected in 1942. | Jan 3, 1943 – Jan 3, 1955 | Republican | Homer Ferguson | 15 |
| 16 | Arthur Vandenberg | Republican | Mar 31, 1928 – Apr 18, 1951 | Re-elected in 1946.Died. | 20 | 81st | 20 | Re-elected in 1948.Lost re-election. | Jan 3, 1943 – Jan 3, 1955 | Republican | Homer Ferguson | 15 |
| 16 | Arthur Vandenberg | Republican | Mar 31, 1928 – Apr 18, 1951 | Re-elected in 1946.Died. | 20 | 82nd | 20 | Re-elected in 1948.Lost re-election. | Jan 3, 1943 – Jan 3, 1955 | Republican | Homer Ferguson | 15 |
| Vacant | Vacant | Vacant | Apr 18, 1951 – Apr 23, 1951 | | 20 | 82nd | 20 | Re-elected in 1948.Lost re-election. | Jan 3, 1943 – Jan 3, 1955 | Republican | Homer Ferguson | 15 |
| 17 | Blair Moody | Democratic | Apr 23, 1951 – Nov 4, 1952 | Appointed to continue Vandenberg's term.Lost election to finish term. | 20 | 82nd | 20 | Re-elected in 1948.Lost re-election. | Jan 3, 1943 – Jan 3, 1955 | Republican | Homer Ferguson | 15 |
| 18 | Charles E. Potter | Republican | Nov 5, 1952 – Jan 3, 1959 | Elected in 1952 to finish Vandenberg's term. | 20 | 82nd | 20 | Re-elected in 1948.Lost re-election. | Jan 3, 1943 – Jan 3, 1955 | Republican | Homer Ferguson | 15 |
| 18 | Charles E. Potter | Republican | Nov 5, 1952 – Jan 3, 1959 | Elected to full term in 1952.Lost re-election. | 21 | 83rd | 20 | Re-elected in 1948.Lost re-election. | Jan 3, 1943 – Jan 3, 1955 | Republican | Homer Ferguson | 15 |
| 18 | Charles E. Potter | Republican | Nov 5, 1952 – Jan 3, 1959 | Elected to full term in 1952.Lost re-election. | 21 | 84th | 21 | Elected in 1954. | Jan 3, 1955 – Apr 30, 1966 | Democratic | Patrick V. McNamara | 16 |
| 18 | Charles E. Potter | Republican | Nov 5, 1952 – Jan 3, 1959 | Elected to full term in 1952.Lost re-election. | 21 | 85th | 21 | Elected in 1954. | Jan 3, 1955 – Apr 30, 1966 | Democratic | Patrick V. McNamara | 16 |
| 19 | Philip Hart | Democratic | Jan 3, 1959 – Dec 26, 1976 | Elected in 1958. | 22 | 86th | 21 | Elected in 1954. | Jan 3, 1955 – Apr 30, 1966 | Democratic | Patrick V. McNamara | 16 |
| 19 | Philip Hart | Democratic | Jan 3, 1959 – Dec 26, 1976 | Elected in 1958. | 22 | 87th | 22 | Re-elected in 1960.Died. | Jan 3, 1955 – Apr 30, 1966 | Democratic | Patrick V. McNamara | 16 |
| 19 | Philip Hart | Democratic | Jan 3, 1959 – Dec 26, 1976 | Elected in 1958. | 22 | 88th | 22 | Re-elected in 1960.Died. | Jan 3, 1955 – Apr 30, 1966 | Democratic | Patrick V. McNamara | 16 |
| 19 | Philip Hart | Democratic | Jan 3, 1959 – Dec 26, 1976 | Re-elected in 1964. | 23 | 89th | 22 | Re-elected in 1960.Died. | Jan 3, 1955 – Apr 30, 1966 | Democratic | Patrick V. McNamara | 16 |
| 19 | Philip Hart | Democratic | Jan 3, 1959 – Dec 26, 1976 | Re-elected in 1964. | 23 | 89th | 22 | | Apr 30, 1966 – May 11, 1966 | Vacant | Vacant | Vacant |
| 19 | Philip Hart | Democratic | Jan 3, 1959 – Dec 26, 1976 | Re-elected in 1964. | 23 | 89th | 22 | Appointed to finish McNamara's term. | May 11, 1966 – Jan 3, 1979 | Republican | Robert P. Griffin | 17 |
| 19 | Philip Hart | Democratic | Jan 3, 1959 – Dec 26, 1976 | Re-elected in 1964. | 23 | 90th | 23 | Elected to full term in 1966 | May 11, 1966 – Jan 3, 1979 | Republican | Robert P. Griffin | 17 |
| 19 | Philip Hart | Democratic | Jan 3, 1959 – Dec 26, 1976 | Re-elected in 1964. | 23 | 91st | 23 | Elected to full term in 1966 | May 11, 1966 – Jan 3, 1979 | Republican | Robert P. Griffin | 17 |
| 19 | Philip Hart | Democratic | Jan 3, 1959 – Dec 26, 1976 | Re-elected in 1970.Announced retirement, then died before the end of the term. | 24 | 92nd | 23 | Elected to full term in 1966 | May 11, 1966 – Jan 3, 1979 | Republican | Robert P. Griffin | 17 |
| 19 | Philip Hart | Democratic | Jan 3, 1959 – Dec 26, 1976 | Re-elected in 1970.Announced retirement, then died before the end of the term. | 24 | 93rd | 24 | Re-elected in 1972.Lost re-election. | May 11, 1966 – Jan 3, 1979 | Republican | Robert P. Griffin | 17 |
| 19 | Philip Hart | Democratic | Jan 3, 1959 – Dec 26, 1976 | Re-elected in 1970.Announced retirement, then died before the end of the term. | 24 | 94th | 24 | Re-elected in 1972.Lost re-election. | May 11, 1966 – Jan 3, 1979 | Republican | Robert P. Griffin | 17 |
| Vacant | Vacant | Vacant | Dec 26, 1976 – Dec 30, 1976 | | 24 | 94th | 24 | Re-elected in 1972.Lost re-election. | May 11, 1966 – Jan 3, 1979 | Republican | Robert P. Griffin | 17 |
| 20 | Donald Riegle | Democratic | Dec 30, 1976 – Jan 3, 1995 | Appointed early to finish Hart's term, having already been elected to the next term. | 24 | 94th | 24 | Re-elected in 1972.Lost re-election. | May 11, 1966 – Jan 3, 1979 | Republican | Robert P. Griffin | 17 |
| 20 | Donald Riegle | Democratic | Dec 30, 1976 – Jan 3, 1995 | Elected in 1976 | 25 | 95th | 24 | Re-elected in 1972.Lost re-election. | May 11, 1966 – Jan 3, 1979 | Republican | Robert P. Griffin | 17 |
| 20 | Donald Riegle | Democratic | Dec 30, 1976 – Jan 3, 1995 | Elected in 1976 | 25 | 96th | 25 | Elected in 1978. | Jan 3, 1979 – Jan 3, 2015 | Democratic | Carl Levin | 18 |
| 20 | Donald Riegle | Democratic | Dec 30, 1976 – Jan 3, 1995 | Elected in 1976 | 25 | 97th | 25 | Elected in 1978. | Jan 3, 1979 – Jan 3, 2015 | Democratic | Carl Levin | 18 |
| 20 | Donald Riegle | Democratic | Dec 30, 1976 – Jan 3, 1995 | Re-elected in 1982. | 26 | 98th | 25 | Elected in 1978. | Jan 3, 1979 – Jan 3, 2015 | Democratic | Carl Levin | 18 |
| 20 | Donald Riegle | Democratic | Dec 30, 1976 – Jan 3, 1995 | Re-elected in 1982. | 26 | 99th | 26 | Re-elected in 1984. | Jan 3, 1979 – Jan 3, 2015 | Democratic | Carl Levin | 18 |
| 20 | Donald Riegle | Democratic | Dec 30, 1976 – Jan 3, 1995 | Re-elected in 1982. | 26 | 100th | 26 | Re-elected in 1984. | Jan 3, 1979 – Jan 3, 2015 | Democratic | Carl Levin | 18 |
| 20 | Donald Riegle | Democratic | Dec 30, 1976 – Jan 3, 1995 | Re-elected in 1988.Retired. | 27 | 101st | 26 | Re-elected in 1984. | Jan 3, 1979 – Jan 3, 2015 | Democratic | Carl Levin | 18 |
| 20 | Donald Riegle | Democratic | Dec 30, 1976 – Jan 3, 1995 | Re-elected in 1988.Retired. | 27 | 102nd | 27 | Re-elected in 1990. | Jan 3, 1979 – Jan 3, 2015 | Democratic | Carl Levin | 18 |
| 20 | Donald Riegle | Democratic | Dec 30, 1976 – Jan 3, 1995 | Re-elected in 1988.Retired. | 27 | 103rd | 27 | Re-elected in 1990. | Jan 3, 1979 – Jan 3, 2015 | Democratic | Carl Levin | 18 |
| 21 | Spencer Abraham | Republican | Jan 3, 1995 – Jan 3, 2001 | Elected in 1994.Lost re-election. | 28 | 104th | 27 | Re-elected in 1990. | Jan 3, 1979 – Jan 3, 2015 | Democratic | Carl Levin | 18 |
| 21 | Spencer Abraham | Republican | Jan 3, 1995 – Jan 3, 2001 | Elected in 1994.Lost re-election. | 28 | 105th | 28 | Re-elected in 1996. | Jan 3, 1979 – Jan 3, 2015 | Democratic | Carl Levin | 18 |
| 21 | Spencer Abraham | Republican | Jan 3, 1995 – Jan 3, 2001 | Elected in 1994.Lost re-election. | 28 | 106th | 28 | Re-elected in 1996. | Jan 3, 1979 – Jan 3, 2015 | Democratic | Carl Levin | 18 |
| 22 | Debbie Stabenow | Democratic | Jan 3, 2001 – Jan 3, 2025 | Elected in 2000. | 29 | 107th | 28 | Re-elected in 1996. | Jan 3, 1979 – Jan 3, 2015 | Democratic | Carl Levin | 18 |
| 22 | Debbie Stabenow | Democratic | Jan 3, 2001 – Jan 3, 2025 | Elected in 2000. | 29 | 108th | 29 | Re-elected in 2002. | Jan 3, 1979 – Jan 3, 2015 | Democratic | Carl Levin | 18 |
| 22 | Debbie Stabenow | Democratic | Jan 3, 2001 – Jan 3, 2025 | Elected in 2000. | 29 | 109th | 29 | Re-elected in 2002. | Jan 3, 1979 – Jan 3, 2015 | Democratic | Carl Levin | 18 |
| 22 | Debbie Stabenow | Democratic | Jan 3, 2001 – Jan 3, 2025 | Re-elected in 2006. | 30 | 110th | 29 | Re-elected in 2002. | Jan 3, 1979 – Jan 3, 2015 | Democratic | Carl Levin | 18 |
| 22 | Debbie Stabenow | Democratic | Jan 3, 2001 – Jan 3, 2025 | Re-elected in 2006. | 30 | 111th | 30 | Re-elected in 2008.Retired. | Jan 3, 1979 – Jan 3, 2015 | Democratic | Carl Levin | 18 |
| 22 | Debbie Stabenow | Democratic | Jan 3, 2001 – Jan 3, 2025 | Re-elected in 2006. | 30 | 112th | 30 | Re-elected in 2008.Retired. | Jan 3, 1979 – Jan 3, 2015 | Democratic | Carl Levin | 18 |
| 22 | Debbie Stabenow | Democratic | Jan 3, 2001 – Jan 3, 2025 | Re-elected in 2012. | 31 | 113th | 30 | Re-elected in 2008.Retired. | Jan 3, 1979 – Jan 3, 2015 | Democratic | Carl Levin | 18 |
| 22 | Debbie Stabenow | Democratic | Jan 3, 2001 – Jan 3, 2025 | Re-elected in 2012. | 31 | 114th | 31 | Elected in 2014. | Jan 3, 2015 – present | Democratic | Gary Peters | 19 |
| 22 | Debbie Stabenow | Democratic | Jan 3, 2001 – Jan 3, 2025 | Re-elected in 2012. | 31 | 115th | 31 | Elected in 2014. | Jan 3, 2015 – present | Democratic | Gary Peters | 19 |
| 22 | Debbie Stabenow | Democratic | Jan 3, 2001 – Jan 3, 2025 | Re-elected in 2018.Retired. | 32 | 116th | 31 | Elected in 2014. | Jan 3, 2015 – present | Democratic | Gary Peters | 19 |
| 22 | Debbie Stabenow | Democratic | Jan 3, 2001 – Jan 3, 2025 | Re-elected in 2018.Retired. | 32 | 117th | 32 | Re-elected in 2020. Retiring at the end of term. | Jan 3, 2015 – present | Democratic | Gary Peters | 19 |
| 22 | Debbie Stabenow | Democratic | Jan 3, 2001 – Jan 3, 2025 | Re-elected in 2018.Retired. | 32 | 118th | 32 | Re-elected in 2020. Retiring at the end of term. | Jan 3, 2015 – present | Democratic | Gary Peters | 19 |
| 23 | Elissa Slotkin | Democratic | Jan 3, 2025 – present | Elected in 2024. | 33 | 119th | 32 | Re-elected in 2020. Retiring at the end of term. | Jan 3, 2015 – present | Democratic | Gary Peters | 19 |
| 23 | Elissa Slotkin | Democratic | Jan 3, 2025 – present | Elected in 2024. | 33 | 120th | 33 | To be determined in the 2026 election. | To be determined in the 2026 election. | To be determined in the 2026 election. | To be determined in the 2026 election. | To be determined in the 2026 election. |
| 23 | Elissa Slotkin | Democratic | Jan 3, 2025 – present | Elected in 2024. | 33 | 121st | 33 | To be determined in the 2026 election. | To be determined in the 2026 election. | To be determined in the 2026 election. | To be determined in the 2026 election. | To be determined in the 2026 election. |
| To be determined in the 2030 election. | To be determined in the 2030 election. | To be determined in the 2030 election. | To be determined in the 2030 election. | To be determined in the 2030 election. | 34 | 122nd | 33 | To be determined in the 2026 election. | To be determined in the 2026 election. | To be determined in the 2026 election. | To be determined in the 2026 election. | To be determined in the 2026 election. |
| # | Senator | Party | Years in office | Electoral history | T | C | T | Electoral history | Years in office | Party | Senator | # |
| Class 1 | Class 1 | Class 1 | Class 1 | Class 1 | Class 1 | C | Class 2 | Class 2 | Class 2 | Class 2 | Class 2 | Class 2 |