The following chart shows historic election results. Bold type indicates victor. Italic type indicates incumbent.
| Year |
Democratic |
Republican |
Other |
| 2006 |
Richard E. Siferd |
Jim Jordan |
|
| 2004 |
Ben Konop: 115,422 |
Michael G. Oxley: 163,459 |
|
| 2002 |
Jim Clark: 57,726 |
Michael G. Oxley: 120,001 |
|
| 2000 |
Daniel L. Dickman: 67,330 |
Michael G. Oxley: 156,510 |
Ralph Mullinger (L): 8,278 |
| 1998 |
Paul Anthony McClain: 63,529 |
Michael G. Oxley: 112,011 |
|
| 1996 |
Paul Anthony McClain: 69,096 |
Michael G. Oxley: 147,608 |
Michael McCaffery (N): 11,057 |
| 1994 |
|
Michael G. Oxley: 139,841 |
|
| 1992 |
Raymond M. Ball: 92,608 |
Michael G. Oxley: 147,346 |
|
| 1990 |
Thomas E. Burkhart: 64,467 |
Michael G. Oxley: 103,897 |
|
| 1988 |
|
Michael G. Oxley: 160,900 |
|
| 1986 |
Clem T. Cratty: 26,320 |
Michael G. Oxley: 115,751 |
Raven L. Workman: 11,997 |
| 1984 |
William O. Sutton: 47,018 |
Michael G. Oxley: 162,199 |
|
| 1982 |
Bob Moon: 57,564 |
Michael G. Oxley: 105,087 |
|
| 1980 |
Gerry Tebben: 51,150 |
Tennyson Guyer: 133,795 |
|
| 1978 |
John W. Griffin: 39,360 |
Tennyson Guyer: 85,575 |
|
| 1976 |
Clinton G. Dorsey: 51,784 |
Tennyson Guyer: 121,173 |
|
| 1974 |
James L. Gehrlich: 51,065 |
Tennyson Guyer: 81,674 |
|
| 1972 |
Dimitri Nicholas: 65,216 |
Tennyson Guyer: 109,612 |
|
| 1970 |
Donald B. Laws: 45,619 |
William M. McCulloch: 82,521 |
|
| 1968 |
|
William M. McCulloch: 129,435 |
|
| 1966 |
Robert H. Mihlbaugh: 37,855 |
William M. McCulloch: 66,142 |
|
| 1964 |
Robert H. Mihlbaugh: 64,667 |
William M. McCulloch: 81,204 |
|
| 1962 |
Marjorie Conrad Struns: 32,866 |
William M. McCulloch: 77,790 |
|
| 1960 |
Joseph J. Murphy: 52,797 |
William M. McCulloch: 99,683 |
|
| 1958 |
Marjorie Conrad Struns: 93,401 |
William M. McCulloch: 73,448 |
|
| 1956 |
Ortha O. Barr Jr.: 42,416 |
William M. McCulloch: 93,607 |
|
| 1954 |
Forrest L. Blankenship: 32,474 |
William M. McCulloch: 67,762 |
|
| 1952 |
Carleton Carl Reiser: 43,426 |
William M. McCulloch: 93,442 |
|
| 1950 |
Carleton Carl Reiser: 32,686 |
William M. McCulloch: 65,640 |
|
| 1948 |
Earl Ludwig: 45,534 |
William M. McCulloch*: 57,321 |
|
| 1946 |
Merl J. Bragg: 32,160 |
Robert F. Jones: 64,718 |
|
| 1944 |
Earl Ludwig: 42,983 |
Robert F. Jones: 67,829 |
|
| 1942 |
Clarence C. Miller: 22,567 |
Robert F. Jones: 39,275 |
|
| 1940 |
Clarence C. Miller: 47,765 |
Robert F. Jones: 65,534 |
|
| 1938 |
William B. Swonger: 33,284 |
Robert F. Jones: 56,399 |
John C. Fisher: 4,616 |
| 1936 |
Frank LeB. Kloeb: 61,927 |
Robert W. Yurner: 53,352 |
|
| 1934 |
Frank LeB. Kloeb: 48,613 |
Guy D. Hawley: 41,504 |
|
| 1932 |
Frank LeB. Kloeb: 59,003 |
John L. Cable: 49,100 |
|
| 1930 |
Gainor Jennings: 37,673 |
John L. Cable: 43,104 |
|
| 1928 |
William Klinger: 41,677 |
John L. Cable: 56,291 |
|
| 1926 |
Benjamin F. Welty: 31,293 |
William T. Fitzgerald: 32,236 |
|
| 1924 |
Hugh T. Mathers: 42,652 |
William T. Fitzgerald: 43,984 |
|
| 1922 |
J. Henry Goeke: 35,916 |
John L. Cable: 43,251 |
|
| 1920 |
Benjamin F. Welty: 45,489 |
John L. Cable: 50,576 |
|