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 (Norwich )
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 (Southport )
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.
Resigned when successor was elected.
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 (Old Lyme )
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 (Stonington )
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 .
To be determined in the 2030 election .
42
122nd
#
Senator
Party
Years in office
Electoral history
T
C
T
Electoral history
Years in office
Party
Senator
#
Class 1
Class 3