| Member
 | 
Party
 | 
Years
 | 
Cong ress
 | 
Electoral history
 | 
Location
 | 
| District created March 4, 1837
 | 
  Isaac Toucey (Hartford)
 | 
Democratic
 | 
March 4, 1837 – March 3, 1839
 | 
25th
 | 
Redistricted from the at-large district and re-elected in 1837. Lost re-election.
 | 
 | 
  Joseph Trumbull (Hartford)
 | 
Whig
 | 
March 4, 1839 – March 3, 1843
 | 
26th 27th
 | 
Elected in 1839. Re-elected in 1840. Retired.
 | 
  Thomas H. Seymour (Hartford)
 | 
Democratic
 | 
March 4, 1843 – March 3, 1845
 | 
28th
 | 
Elected in 1843. Retired.
 | 
  James Dixon (Hartford)
 | 
Whig
 | 
March 4, 1845 – March 3, 1849
 | 
29th 30th
 | 
Elected in 1845. Re-elected in 1847. Retired.
 | 
.jpg)  Loren P. Waldo (Tolland)
 | 
Democratic
 | 
March 4, 1849 – March 3, 1851
 | 
31st
 | 
Elected in 1849. Lost re-election.
 | 
.jpg)  Charles Chapman (Hartford)
 | 
Whig
 | 
March 4, 1851 – March 3, 1853
 | 
32nd
 | 
Elected in 1851. Retired to run for Governor.
 | 
.jpg)  James T. Pratt (Rocky Hill)
 | 
Democratic
 | 
March 4, 1853 – March 3, 1855
 | 
33rd
 | 
Elected in 1853. Lost re-election.
 | 
  Ezra Clark Jr. (Hartford)
 | 
American
 | 
March 4, 1855 – March 3, 1857
 | 
34th 35th
 | 
Elected in 1855. Re-elected in 1857. Lost re-election.
 | 
| Republican
 | 
March 4, 1857 – March 3, 1859
 | 
  Dwight Loomis (Rockville)
 | 
Republican
 | 
March 4, 1859 – March 3, 1863
 | 
36th 37th
 | 
Elected in 1859. Re-elected in 1861. Retired.
 | 
.jpg)  Henry C. Deming (Hartford)
 | 
Republican
 | 
March 4, 1863 – March 3, 1867
 | 
38th 39th
 | 
Elected in 1863. Re-elected in 1865. Lost re-election.
 | 
.jpg)  Richard D. Hubbard (Hartford)
 | 
Democratic
 | 
March 4, 1867 – March 3, 1869
 | 
40th
 | 
Elected in 1867. Retired.
 | 
Julius L. Strong (Hartford)
 | 
Republican
 | 
March 4, 1869 – September 7, 1872
 | 
41st 42nd
 | 
Elected in 1869. Re-elected in 1871. Died.
 | 
| Vacant
 | 
September 7, 1872 – December 2, 1872
 | 
42nd
 | 
 | 
  Joseph Roswell Hawley (Hartford)
 | 
Republican
 | 
December 2, 1872 – March 3, 1875
 | 
42nd 43rd
 | 
Elected to finish Strong's term. Re-elected in 1873. Lost re-election.
 | 
  George M. Landers (New Britain)
 | 
Democratic
 | 
March 4, 1875 – March 3, 1879
 | 
44th 45th
 | 
Elected in 1875. Re-elected in 1876. Retired.
 | 
  Joseph Roswell Hawley (Hartford)
 | 
Republican
 | 
March 4, 1879 – March 3, 1881
 | 
46th
 | 
Elected in 1878. Retired when elected U.S. Senator.
 | 
  John R. Buck (Hartford)
 | 
Republican
 | 
March 4, 1881 – March 3, 1883
 | 
47th
 | 
Elected in 1880. Lost re-election.
 | 
  William W. Eaton (Hartford)
 | 
Democratic
 | 
March 4, 1883 – March 3, 1885
 | 
48th
 | 
Elected in 1882. Lost re-election.
 | 
  John R. Buck (Hartford)
 | 
Republican
 | 
March 4, 1885 – March 3, 1887
 | 
49th
 | 
Elected in 1884. Lost re-election.
 | 
  Robert J. Vance (New Britain)
 | 
Democratic
 | 
March 4, 1887 – March 3, 1889
 | 
50th
 | 
Elected in 1886. Lost re-election.
 | 
.jpg)  William E. Simonds (Canton)
 | 
Republican
 | 
March 4, 1889 – March 3, 1891
 | 
51st
 | 
Elected in 1888. Lost re-election.
 | 
  Lewis Sperry (Hartford)
 | 
Democratic
 | 
March 4, 1891 – March 3, 1895
 | 
52nd 53rd
 | 
Elected in 1890. Re-elected in 1892. Lost re-election.
 | 
.jpg)  E. Stevens Henry (Rockville)
 | 
Republican
 | 
March 4, 1895 – March 3, 1913
 | 
54th 55th 56th 57th 58th 59th 60th 61st 62nd
 | 
Elected in 1894. Re-elected in 1896. Re-elected in 1898. Re-elected in 1900. Re-elected in 1902. Re-elected in 1904. Re-elected in 1906. Re-elected in 1908. Re-elected in 1910. Retired.
 | 
  Augustine Lonergan (Hartford)
 | 
Democratic
 | 
March 4, 1913 – March 3, 1915
 | 
63rd
 | 
Elected in 1912. Lost re-election.
 | 
  P. Davis Oakey (Hartford)
 | 
Republican
 | 
March 4, 1915 – March 3, 1917
 | 
64th
 | 
Elected in 1914. Lost re-election.
 | 
  Augustine Lonergan (Hartford)
 | 
Democratic
 | 
March 4, 1917 – March 3, 1921
 | 
65th 66th
 | 
Elected in 1916. Re-elected in 1918. Retired to run for U.S. Senator.
 | 
  E. Hart Fenn (Wethersfield)
 | 
Republican
 | 
March 4, 1921 – March 3, 1931
 | 
67th 68th 69th 70th 71st
 | 
Elected in 1920. Re-elected in 1922. Re-elected in 1924. Re-elected in 1926. Re-elected in 1928. Retired.
 | 
  Augustine Lonergan (Hartford)
 | 
Democratic
 | 
March 4, 1931 – March 3, 1933
 | 
72nd
 | 
Elected in 1930. Retired when elected to the US Senate
 | 
  Herman P. Kopplemann (Hartford)
 | 
Democratic
 | 
March 4, 1933 – January 3, 1939
 | 
73rd 74th 75th
 | 
Elected in 1932. Re-elected in 1934. Re-elected in 1936. Lost re-election.
 | 
  William J. Miller (Wethersfield)
 | 
Republican
 | 
January 3, 1939 – January 3, 1941
 | 
76th
 | 
Elected in 1938. Lost re-election.
 | 
  Herman P. Kopplemann (Hartford)
 | 
Democratic
 | 
January 3, 1941 – January 3, 1943
 | 
77th
 | 
Elected in 1940. Lost re-election.
 | 
  William J. Miller (Wethersfield)
 | 
Republican
 | 
January 3, 1943 – January 3, 1945
 | 
78th
 | 
Elected in 1942. Lost re-election.
 | 
  Herman P. Kopplemann (Hartford)
 | 
Democratic
 | 
January 3, 1945 – January 3, 1947
 | 
79th
 | 
Elected in 1944. Lost re-election.
 | 
  William J. Miller (Wethersfield)
 | 
Republican
 | 
January 3, 1947 – January 3, 1949
 | 
80th
 | 
Elected in 1946. Lost re-election.
 | 
  Abraham Ribicoff (Hartford)
 | 
Democratic
 | 
January 3, 1949 – January 3, 1953
 | 
81st 82nd
 | 
Elected in 1948. Re-elected in 1950. Retired to run for U.S. Senator.
 | 
  Thomas J. Dodd (West Hartford)
 | 
Democratic
 | 
January 3, 1953 – January 3, 1957
 | 
83rd 84th
 | 
Elected in 1952. Re-elected in 1954. Retired to run for U.S. Senator.
 | 
.jpg)  Edwin H. May Jr. (Wethersfield)
 | 
Republican
 | 
January 3, 1957 – January 3, 1959
 | 
85th
 | 
Elected in 1956. Lost re-election.
 | 
  Emilio Q. Daddario (Hartford)
 | 
Democratic
 | 
January 3, 1959 – January 3, 1971
 | 
86th 87th 88th 89th 90th 91st
 | 
Elected in 1958. Re-elected in 1960. Re-elected in 1962. Re-elected in 1964. Re-elected in 1966. Re-elected in 1968. Retired to run for Governor.
 | 
  William R. Cotter (Hartford)
 | 
Democratic
 | 
January 3, 1971 – September 8, 1981
 | 
92nd 93rd 94th 95th 96th 97th
 | 
Elected in 1970. Re-elected in 1972. Re-elected in 1974. Re-elected in 1976. Re-elected in 1978. Re-elected in 1980. Died.
 | 
| Vacant
 | 
September 9, 1981 – January 11, 1982
 | 
97th
 | 
 | 
  Barbara B. Kennelly (Hartford)
 | 
Democratic
 | 
January 12, 1982 – January 3, 1999
 | 
97th 98th 99th 100th 101st 102nd 103rd 104th 105th
 | 
Elected to finish Cotter's term. Re-elected in 1982. Re-elected in 1984. Re-elected in 1986. Re-elected in 1988. Re-elected in 1990. Re-elected in 1992. Re-elected in 1994. Re-elected in 1996. Retired to run for Governor.
 | 
  John B. Larson (East Hartford)
 | 
Democratic
 | 
January 3, 1999 – present
 | 
106th 107th 108th 109th 110th 111th 112th 113th 114th 115th 116th 117th 118th 119th
 | 
Elected in 1998. Re-elected in 2000. Re-elected in 2002. Re-elected in 2004. Re-elected in 2006. Re-elected in 2008. Re-elected in 2010. Re-elected in 2012. Re-elected in 2014. Re-elected in 2016. Re-elected in 2018. Re-elected in 2020. Re-elected in 2022. Re-elected in 2024.
 | 
 | 
2003–2013 
 | 
2013–2023 
 | 
2023–present 
 |