| Member | Party | Years | Cong ress | Electoral history |
|---|
| District created March 4, 1895 |
 George W. Smith (Murphysboro) | Republican | March 4, 1895 – March 3, 1903 | 54th 55th 56th 57th | Redistricted from the20th district andre-elected in 1894. Re-elected in 1896. Re-elected in 1898. Re-elected in 1900. Redistricted to the25th district. |
 William A. Rodenberg (East St. Louis) | Republican | March 4, 1903 – March 3, 1913 | 58th 59th 60th 61st 62nd | Elected in 1902. Re-elected in 1904. Re-elected in 1906. Re-elected in 1908. Re-elected in 1910. Lost re-election. |
 William N. Baltz (Millstadt) | Democratic | March 4, 1913 – March 3, 1915 | 63rd | Elected in 1912. Lost re-election. |
 William A. Rodenberg (East St. Louis) | Republican | March 4, 1915 – March 3, 1923 | 64th 65th 66th 67th | Elected again in 1914. Re-elected in 1916. Re-elected in 1918. Re-elected in 1920. Retired. |
 Edward E. Miller (East St. Louis) | Republican | March 4, 1923 – March 3, 1925 | 68th | Elected in 1922. Retired. |
 Edward M. Irwin (Belleville) | Republican | March 4, 1925 – March 3, 1931 | 69th 70th 71st | Elected in 1924. Re-elected in 1926. Re-elected in 1928. Lost re-election. |
 Charles A. Karch (East St. Louis) | Democratic | March 4, 1931 – November 6, 1932 | 72nd | Elected in 1930. Died. |
| Vacant | November 6, 1932 – March 4, 1933 | |
 Edwin M. Schaefer (Belleville) | Democratic | March 4, 1933 – January 3, 1943 | 73rd 74th 75th 76th 77th | Elected in 1932. Re-elected in 1934. Re-elected in 1936. Re-elected in 1938. Re-elected in 1940. Retired. |
 Calvin D. Johnson (Belleville) | Republican | January 3, 1943 – January 3, 1945 | 78th | Elected in 1942. Lost re-election. |
 Melvin Price (East St. Louis) | Democratic | January 3, 1945 – January 3, 1949 | 79th 80th | Elected in 1944. Re-elected in 1946. Redistricted to the25th district. |
 Rolla C. McMillen (Decatur) | Republican | January 3, 1949 – January 3, 1951 | 81st | Redistricted from the19th district andre-elected in 1948. Retired. |
 William L. Springer (Champaign) | Republican | January 3, 1951 – January 3, 1973 | 82nd 83rd 84th 85th 86th 87th 88th 89th 90th 91st 92nd | Elected in 1950. Re-elected in 1952. Re-elected in 1954. Re-elected in 1956. Re-elected in 1958. Re-elected in 1960. Re-elected in 1962. Re-elected in 1964. Re-elected in 1966. Re-elected in 1968. Re-elected in 1970. Redistricted to the21st district. |
 George E. Shipley (Olney) | Democratic | January 3, 1973 – January 3, 1979 | 93rd 94th 95th | Redistricted from the23rd district andre-elected in 1972. Re-elected in 1974. Re-elected in 1976. Retired. |
 Dan Crane (Danville) | Republican | January 3, 1979 – January 3, 1983 | 96th 97th | Elected in 1978. Re-elected in 1980. Redistricted to the19th district. |
 Paul Simon (Carbondale) | Democratic | January 3, 1983 – January 3, 1985 | 98th | Redistricted from the24th district andre-elected in 1982. Retired torun for U.S. Senator. |
 Kenneth J. Gray (West Frankfort) | Democratic | January 3, 1985 – January 3, 1989 | 99th 100th | Elected in 1984. Re-elected in 1986.Retired. |
 Glenn Poshard (Carterville) | Democratic | January 3, 1989 – January 3, 1993 | 101st 102nd | Elected in 1988. Re-elected in 1990. Redistricted to the19th district. |
| District eliminated January 3, 1993 |