| Year | Democratic | Republican | Other
|
| 2004 | Dennis J. Kucinich: 167,221 | Edward F. Herman: 94,120 | Barbara Ferris: 17,753
|
| 2002 | Dennis J. Kucinich: 129,997 | Jon A. Heben: 41,778 | Judy Locy: 3,761
|
| 2000 | Dennis J. Kucinich: 167,063 | Bill Smith: 48,930 | Ron Petrie (L): 6,762
|
| 1998 | Dennis J. Kucinich: 110,552 | Joe Slovenec: 55,015 |
|
| 1996 | Dennis J. Kucinich: 110,723 | Martin R. Hoke: 104,546 | Robert B. Iverson (N): 10,415
|
| 1994 | Francis E. Gaul: 70,918 | Martin R. Hoke: 95,226 | Joseph J. Jacobs Jr.: 17,495
|
| 1992 | Mary Rose Oakar*: 103,788 | Martin R. Hoke: 136,433 |
|
| 1990 | John M. Buchanan: 61,656 | Clarence E. Miller*: 106,009 |
|
| 1988 | John M. Buchanan: 56,893 | Clarence E. Miller: 143,673 |
|
| 1986 | John M. Buchanan: 44,847 | Clarence E. Miller: 106,870 |
|
| 1984 | John M. Buchanan: 55,172 | Clarence E. Miller: 149,337 |
|
| 1982 | John M. Buchanan: 57,983 | Clarence E. Miller: 100,044 |
|
| 1980 | Jack E. Stecher: 49,433 | Clarence E. Miller: 143,403 |
|
| 1978 | James A. Plummer: 35,039 | Clarence E. Miller: 99,329 |
|
| 1976 | James A. Plummer: 57,757 | Clarence E. Miller: 127,147 |
|
| 1974 | H. Kent Bumpass: 42,333 | Clarence E. Miller: 100,521 |
|
| 1972 | Robert H. Whealey: 47,456 | Clarence E. Miller: 129,683 |
|
| 1970 | Doug Arnett: 40,669 | Clarence E. Miller: 80,838 |
|
| 1968 | Harry B. Crewson: 45,686 | Clarence E. Miller: 102,890 |
|
| 1966 | Walter H. Moeller: 52,258 | Clarence E. Miller: 56,659 |
|
| 1964 | Walter H. Moeller: 54,729 | Homer E. "Pete" Abele: 49,744 |
|
| 1962 | Walter H. Moeller: 42,131 | Homer E. "Pete" Abele: 46,158 |
|
| 1960 | Walter H. Moeller: 58,085 | Oakley C. Collins: 52,479 |
|
| 1958 | Walter H. Moeller: 47,939 | Homer E. "Pete" Abele: 42,607 |
|
| 1956 | | Thomas A. Jenkins: 71,295 |
|
| 1954 | Truman A. Morris: 28,150 | Thomas A. Jenkins: 45,277 |
|
| 1952 | Delmar A. Canaday: 35,666 | Thomas A. Jenkins: 63,339 |
|
| 1950 | Wiliam J. Curry: 21,117 | Thomas A. Jenkins: 39,584 |
|
| 1948 | Delmar A. Canaday: 27,913 | Thomas A. Jenkins: 38,330 |
|
| 1946 | H. A. McCown: 17,719 | Thomas A. Jenkins: 35,406 |
|
| 1944 | Elsie Stanton: 23,986 | Thomas A. Jenkins: 43,388 |
|
| 1942 | Oral Daugherty: 16,582 | Thomas A. Jenkins: 29,691 |
|
| 1940 | John P. Kelso: 33,698 | Thomas A. Jenkins: 48,217 |
|
| 1938 | Elsie Stanton: 24,198 | Thomas A. Jenkins: 47,036 |
|
| 1936 | O. J. Kleffner: 34,477 | Thomas A. Jenkins: 46,965 |
|
| 1934 | W. F. Marting: 26,278 | Thomas A. Jenkins: 36,824 |
|
| 1932 | Charles M. Hogan: 29,027 | Thomas A. Jenkins: 41,654 |
|
| 1930 | H. L. Crary: 19,157 | Thomas A. Jenkins: 31,836 |
|
| 1928 | Charles E. Poston: 16,551 | Thomas A. Jenkins: 38,347 |
|
| 1926 | Guy Stevenson: 14,460 | Thomas A. Jenkins: 25,571 |
|
| 1924 | W. F. Rutherford: 17,923 | Thomas A. Jenkins: 32,617 |
|
| 1922 | James Sharp: 17,811 | Israel M. Foster: 30,341 |
|
| 1920 | Benjamin F. Reynolds: 21,429 | Israel M. Foster: 38,436 |
|
