| Year | Democratic | Republican | Other |
|---|
| 1920 | William A. Ashbrook (inc.): 46,675 | √William M. Morgan: 46,968 | (none) |
| 1922 | William A. Ashbrook: 41,745 | √William M. Morgan (inc.): 42,331 | (none) |
| 1924 | J. Freer Bittinger: 36,532 | √William M. Morgan (inc.): 50,226 | (none) |
| 1926 | J. Freer Bittinger: 29,674 | √William M. Morgan (inc.): 36,249 | (none) |
| 1928 | Charles F. West: 40,846 | √William M. Morgan (inc.): 56,823 | (none) |
| 1930 | √Charles F. West: 45,633 | William M. Morgan (inc.): 43,197 | (none) |
| 1932 | √Charles F. West (inc.): 55,296 | William M. Morgan: 51,601 | (none) |
| 1934 | √William A. Ashbrook: 49,211 | James A. Glenn: 41,954 | (none) |
| 1936 | √William A. Ashbrook (inc.): 69,446 | James A. Glenn: 48,270 | William Edward Lyle: 2,618 |
| 1938 | √William A. Ashbrook (inc.): 51,305 | Walter B. Woodward: 46,300 | (none) |
| 1940 | Ralph C. Lutz: 56,343 | √J. Harry McGregor (inc.):[1] 69,102 | (none) |
| 1942 | Samuel A. Anderson: 28,235 | √J. Harry McGregor (inc.): 47,565 | (none) |
| 1944 | Thomas A. Wilson: 43,271 | √J. Harry McGregor (inc.): 73,206 | (none) |
| 1946 | Wesley W. Purdy: 30,406 | √J. Harry McGregor (inc.): 57,167 | (none) |
| 1948 | Robert W. Levering: 53,651 | √J. Harry McGregor (inc.): 60,234 | (none) |
| 1950 | Robert W. Levering: 39,726 | √J. Harry McGregor (inc.): 71,382 | (none) |
| 1952 | James J. Mayor: 44,117 | √J. Harry McGregor (inc.): 94,624 | (none) |
| 1954 | Robert W. Levering: 34,638 | √J. Harry McGregor (inc.): 63,301 | (none) |
| 1956 | Robert W. Levering: 44,806 | √J. Harry McGregor (inc.):[2] 88,931 | (none) |
| 1958 | √Robert W. Levering: 63,650 | Laurence Burns: 59,490 | (none) |
| 1960 | Robert W. Levering (inc.): 70,470 | √John M. Ashbrook: 79,609 | (none) |
| 1962 | Robert W. Levering: 49,415 | √John M. Ashbrook (inc.): 69,976 | (none) |
| 1964 | Robert W. Levering: 71,291 | √John M. Ashbrook (inc.): 75,674 | (none) |
| 1966 | Robert T. Secrest: 59,031 | √John M. Ashbrook (inc.): 73,132 | (none) |
| 1968 | Robert W. Levering: 54,127 | √John M. Ashbrook (inc.): 100,148 | (none) |
| 1970 | James C. Hood: 44,066 | √John M. Ashbrook (inc.): 79,472 | Clifford J. Simpson (AI): 4,253 |
| 1972 | Raymond C. Beck: 62,512 | √John M. Ashbrook (inc.): 92,666 | Clifford J. Simpson (AI): 6,376 |
| 1974 | David D. Noble: 63,342 | √John M. Ashbrook (inc.): 70,708 | Clifford J. Simpson: 3 |
| 1976 | John C. McDonald: 72,168 | √John M. Ashbrook (inc.): 94,874 | (none) |
| 1978 | Kenneth Robert Grier: 42,117 | √John M. Ashbrook (inc.): 87,010 | (none) |
| 1980 | Donald E. Yunker: 47,900 | √John M. Ashbrook (inc.):[3] 128,870 | (none) |
| 1982 | George D. Tablack: 80,375 | √Lyle Williams:[4] 98,476 | (none) |
| 1984 | √Jim Traficant: 123,014 | Lyle Williams (inc.): 105,449 | Other: 2,198 |
| 1986 | √Jim Traficant (inc.): 112,855 | James H. Fulks: 43,334 | (none) |
| 1988 | √Jim Traficant (inc.): 162,526 | Frederick W. Lenz: 47,929 | (none) |
| 1990 | √Jim Traficant (inc.): 133,207 | Robert R. DeJulio Jr.: 38,199 | (none) |
| 1992 | √Jim Traficant (inc.): 216,503 | Salvatore Pansino: 40,745 | (none) |
| 1994 | √Jim Traficant (inc.): 149,004 | Mike G. Meister: 43,490 | (none) |
| 1996 | √Jim Traficant (inc.): 218,283 | (none) | James M. Cahaney (N): 21,685 |
| 1998 | √Jim Traficant (inc.): 123,718 | Paul H. Alberty: 57,703 | (none) |
| 2000 | √Jim Traficant (inc.): 120,333 | Paul H. Alberty: 54,751 | Randy D. Walter: 51,793 Lou D'Apolito: 9,568 Milton R. Norris (L): 1,278 Carol Ann McCoy (N): 3,154 |
| 2002 | √Tim Ryan:[5] 94,441 (Redistricted from the14th district) | Ann Womer Benjamin: 62,188 | Jim Traficant[5] 28,045 |
| 2004 | √Tim Ryan (inc.): 208,331 | Frank V. Cusimano: 61,727 | Randy Walter |
| 2006 | √Tim Ryan (inc.): 166,279 | Don Manning II: 41,004 | (none) |
| 2008 | √Tim Ryan (inc.): 204,028 | Duane Grassell: 56,003[6] | (none) |
| 2010 | √Tim Ryan (inc.): 100,295 | Jim Graham: 56,441 | Jim Traficant: 29,969[7] |