Class 1
Class 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 3
Class 3 U.S. senators belong to the electoral cycle that has recently been contested in 2004 , 2010 , 2016 , and 2022 . The next election will be in 2028 .# Senator Party Dates in office Electoral history T T Electoral history Dates in office Party Senator # 1 Oliver Ellsworth (Windsor ) Pro-Administration Mar 4, 1789 – Mar 8, 1796 Elected in 1788 . 1 1st 1 Elected in 1788 .
Resigned. Mar 4, 1789 – Mar 3, 1791 Pro-Administration William S. Johnson (Stratford ) 1 Re-elected in 1791 .
Resigned to become Chief Justice of the United States . 2 2nd Mar 4, 1791 – Jun 13, 1791 Vacant Elected to finish Johnson's term .
Died. Jun 13, 1791 – Jul 23, 1793 Pro-Administration Roger Sherman (New Milford ) 2 3rd Jul 23, 1793 – Dec 2, 1793 Vacant Elected to finish Sherman's term .
Retired. Dec 2, 1793 – Mar 3, 1795 Pro-Administration Stephen Mix Mitchell (Wethersfield ) 3 Federalist 4th 2 Election date unknown.
Resigned to become Lieutenant Governor of Connecticut . Mar 4, 1795 – Jun 10, 1796 Federalist Jonathan Trumbull Jr. (Lebanon ) 4 Vacant Mar 8, 1796 – May 12, 1796 Jun 10, 1796 – Oct 13, 1796 Vacant Elected to finish Trumbull's term . Oct 13, 1796 – Jul 19, 1807 Federalist Uriah Tracy (Litchfield ) 5 2 James Hillhouse (New Haven ) Federalist May 12, 1796 – Jun 10, 1810 Elected to finish Ellsworth's term . Re-elected in 1797 . 3 5th 6th 7th 3 Re-elected in 1801 . Re-elected in 1802 . [ 1] 4 8th 9th 10th 4 Re-elected in 1807 .
Died. Jul 19, 1807 – Oct 25, 1807 Vacant Elected to finish Tracy's term . Oct 25, 1807 – May 13, 1813 Federalist Chauncey Goodrich (Hartford ) 6 Re-elected in 1809 .
Resigned. 5 11th Vacant Jun 10, 1810 – Dec 4, 1810 3 Samuel W. Dana (Middletown ) Federalist Dec 4, 1810 – Mar 3, 1821 Elected to finish Hillhouse's term . 12th 13th 5 Re-elected in 1813 .
Resigned to become Lieutenant Governor of Connecticut . Elected to finish Goodrich's term .
Retired. May 13, 1813 – Mar 3, 1819 Federalist David Daggett (New Haven ) 7 Re-elected in 1814 . 6 14th 15th 16th 6 Elected in 1818 .
Re-elected in 1824 and presented his credentials but was not permitted to qualify. Mar 4, 1819 – Mar 3, 1825 Democratic-Republican James Lanman (Norwich ) 8 4 Elijah Boardman (Litchfield ) Democratic-Republican Mar 4, 1821 – Aug 18, 1823 Elected in 1821 .
Died. 7 17th 18th Vacant Aug 18, 1823 – Oct 8, 1823 5 Henry W. Edwards (New Haven ) Democratic-Republican Oct 8, 1823 – Mar 3, 1827 Appointed to continue Boardman's term.
Elected in 1824 to finish Boardman's term . Jacksonian 19th 7 Mar 4, 1825 – May 4, 1825 Vacant Elected late to complete Lanman's term.
[ data missing ] May 4, 1825 – Mar 3, 1831 National Republican Calvin Willey (Tolland ) 9 6 Samuel A. Foot (Cheshire ) National Republican Mar 4, 1827 – Mar 3, 1833 Elected in 1826 .
Lost re-election. 8 20th 21st 22nd 8 Elected in 1831 .
[ data missing ] Mar 4, 1831 – Mar 3, 1837 National Republican Gideon Tomlinson (Fairfield ) 10 7 Nathan Smith (New Haven ) National Republican Mar 4, 1833 – Dec 6, 1835 Elected in 1832 .
Died. 9 23rd 24th Vacant Dec 6, 1835 – Dec 21, 1835 8 John Milton Niles (Hartford ) Jacksonian Dec 21, 1835 – Mar 3, 1839 Elected to finish Smith's term .
Retired. Democratic 25th 9 Elected in 1837 .
[ data missing ] Mar 4, 1837 – Mar 3, 1843 Democratic Perry Smith (New Milford ) 11 9 Thaddeus Betts (Norwalk ) Whig Mar 4, 1839 – Apr 7, 1840 Elected in 1838 or 1839.
Died. 10 26th Vacant Apr 7, 1840 – May 4, 1840 10 Jabez W. Huntington (Litchfield ) Whig May 4, 1840 – Nov 1, 1847 Elected to finish Betts's term . 27th 28th 10 Elected in 1842 .
Retired. Mar 4, 1843 [ 2] – Mar 3, 1849 Democratic John Milton Niles (Hartford ) 12 Re-elected in 1844 or 1845.
Died. 11 29th 30th Vacant Nov 1, 1847 – Nov 11, 1847 11 Roger Sherman Baldwin (New Haven ) Whig Nov 11, 1847 – Mar 3, 1851 Appointed to continue Huntington's term.
Elected in 1848 to finish Huntington's term .
[ data missing ] 31st 11 Elected in 1848 or 1849.
Resigned. Mar 4, 1849 – May 24, 1854 Whig Truman Smith (Litchfield ) 13 Vacant Mar 4, 1851 – May 12, 1852 12 32nd 12 Isaac Toucey (Hartford ) Democratic May 12, 1852 – Mar 3, 1857 Elected late in 1852.
Retired. 33rd Elected to finish Smith's term .
Retired. May 24, 1854 – Mar 3, 1855 Free Soil Francis Gillette (Hartford ) 14 34th 12 Elected in 1854 . Mar 4, 1855 – Mar 3, 1867 Republican Lafayette S. Foster (Norwich ) 15 13 James Dixon (Hartford ) Republican Mar 4, 1857 – Mar 3, 1869 Elected in 1856 . 13 35th 36th 37th 13 Re-elected in 1860 .
Lost re-election. Re-elected in 1862 .
Lost re-election. 14 38th 39th 40th 14 Elected in 1866 . Mar 4, 1867 – Nov 21, 1875 Republican Orris S. Ferry (Norwalk ) 16 14 William A. Buckingham (Norwich ) Republican Mar 4, 1869 – Feb 5, 1875 Elected in 1868 or 1869.
Lost re-election and died before end of term. 15 41st 42nd 43rd 15 Re-elected in 1872 .
Died. Liberal Republican 15 William W. Eaton (Hartford ) Democratic Feb 5, 1875 – Mar 3, 1881 Appointed to finish Buckingham's term, having been elected to the next term. Elected in 1874 .
Unknown if retired or lost re-election. 16 44th Republican Nov 21, 1875 – Nov 27, 1875 Vacant Appointed to continue Ferry's term.
Retired when successor elected. Nov 27, 1875 – May 17, 1876 Democratic James E. English (New Haven ) 17 Elected to finish Ferry's term .
[ data missing ] May 17, 1876 – Mar 3, 1879 Democratic William Barnum (Lime Rock ) 18 45th 46th 16 Elected in 1879 . Mar 4, 1879 – Apr 21, 1905 Republican Orville H. Platt (Meriden ) 19 16 Joseph R. Hawley (Hartford ) Republican Mar 4, 1881 – Mar 3, 1905 Elected in 1881 . 17 47th 48th 49th 17 Re-elected in 1885 . Re-elected in 1887 . 18 50th 51st 52nd 18 Re-elected in 1891 . Re-elected in 1893 . 19 53rd 54th 55th 19 Re-elected in 1897 . Re-elected in 1899 .
Retired. 20 56th 57th 58th 20 Re-elected in 1903 .
Died. Apr 21, 1905 – May 10, 1905 Vacant 17 Morgan Bulkeley (Hartford ) Republican Mar 4, 1905 – Mar 3, 1911 Elected in 1905 . [ 3]
Lost re-election. 21 59th Elected to finish Platt's term . May 10, 1905 – Oct 14, 1924 Republican Frank B. Brandegee (New London ) 20 60th 61st 21 Re-elected in 1909 . 18 George P. McLean (Simsbury ) Republican Mar 4, 1911 – Mar 3, 1929 Elected in 1911 . 22 62nd 63rd 64th 22 Re-elected in 1914 . Re-elected in 1916 . 23 65th 66th 67th 23 Re-elected in 1920 .
Died. Re-elected in 1922 .
Retired. 24 68th Oct 14, 1924 – Dec 17, 1924 Vacant Elected to finish Brandegee's term and seated Jan 8, 1925. [ 4] Dec 17, 1924 – Mar 3, 1933 Republican Hiram Bingham III (New Haven ) 21 69th 70th 24 Re-elected in 1926 .
Lost re-election. 19 Frederic C. Walcott (Norfolk ) Republican Mar 4, 1929 – Jan 3, 1935 Elected in 1928 .
Lost re-election. 25 71st 72nd 73rd 25 Elected in 1932 .
Lost re-election. Mar 4, 1933 – Jan 3, 1939 Democratic Augustine Lonergan (Hartford ) 22 20 Francis T. Maloney (Meriden ) Democratic Jan 3, 1935 – Jan 16, 1945 Elected in 1934 . 26 74th 75th 76th 26 Elected in 1938 .
Lost re-election. Jan 3, 1939 – Jan 3, 1945 Republican John A. Danaher (Portland ) 23 Re-elected in 1940 .
Died. 27 77th 78th 79th 27 Elected in 1944 . Jan 3, 1945 – Jul 28, 1952 Democratic Brien McMahon (Norwalk ) 24 Vacant Jan 16, 1945 – Feb 15, 1945 21 Thomas C. Hart (Sharon ) Republican Feb 15, 1945 – Nov 5, 1946 Appointed to continue Maloney's term.
Successor qualified. Vacant Nov 5, 1946 – Dec 27, 1946 22 Raymond E. Baldwin (Stratford ) Republican Dec 27, 1946 – Dec 16, 1949 Elected to finish Maloney's term . Elected to full term in 1946 .
Resigned. 28 80th 81st 23 William Benton (Norwalk ) Democratic Dec 17, 1949 – Jan 3, 1953 Appointed to continue Baldwin's term.
Elected to finish Baldwin's term .
Lost re-election. 82nd 28 Re-elected in 1950 .
Died. Jul 28, 1952 – Aug 29, 1952 Vacant Appointed to continue McMahon's term.
Retired when successor elected, and elected to the class 1 seat. Aug 29, 1952 – Nov 4, 1952 Republican William A. Purtell (West Hartford ) 25 Elected to finish McMahon's term . Nov 4, 1952 – Jan 3, 1963 Republican Prescott Bush (Greenwich ) 26 24 William A. Purtell (West Hartford ) Republican Jan 3, 1953 – Jan 3, 1959 Elected in 1952 .
Lost re-election. 29 83rd 84th 85th 29 Re-elected in 1956 .
Retired. 25 Thomas J. Dodd (West Hartford ) Democratic Jan 3, 1959 – Jan 3, 1971 Elected in 1958 . 30 86th 87th 88th 30 Elected in 1962 . Jan 3, 1963 – Jan 3, 1981 Democratic Abraham Ribicoff (Hartford ) 27 Re-elected in 1964 .
Lost renomination, and lost re-election as an independent . 31 89th 90th 91st 31 Re-elected in 1968 . 26 Lowell Weicker (Greenwich ) Republican Jan 3, 1971 – Jan 3, 1989 Elected in 1970 . 32 92nd 93rd 94th 32 Re-elected in 1974 .
Retired. Re-elected in 1976 . 33 95th 96th 97th 33 Elected in 1980 . Jan 3, 1981 – Jan 3, 2011 Democratic Chris Dodd (East Haddam ) 28 Re-elected in 1982 .
Lost re-election. 34 98th 99th 100th 34 Re-elected in 1986 . 27 Joe Lieberman (New Haven ) Democratic Jan 3, 1989 – Jan 3, 2013 Elected in 1988 . 35 101st 102nd 103rd 35 Re-elected in 1992 . Re-elected in 1994 . 36 104th 105th 106th 36 Re-elected in 1998 . Re-elected in 2000 . 37 107th 108th 109th 37 Re-elected in 2004 .
Retired. Independent Lost re-nomination, but re-elected in 2006 as an Independent .
Retired. 38 110th 111th 112th 38 Elected in 2010 . Jan 3, 2011 – present Democratic Richard Blumenthal (Greenwich ) 29 28 Chris Murphy (Hartford ) Democratic Jan 3, 2013 – present Elected in 2012 . 39 113th 114th 115th 39 Re-elected in 2016 . Re-elected in 2018 . 40 116th 117th 118th 40 Re-elected in 2022 . Re-elected in 2024 . 41 119th 120th 121st 41 To be determined in the 2028 election . # Senator Party Years in office Electoral history T C T Electoral history Years in office Party Senator # Class 1 Class 3