member elected.Democratic gain. | nowrap | |} Ohio |- | | Carl West Rich | | Republican | 1962 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |- | | Donald D. Clancy | | Republican | 1960 | Incumbent re-elected. | nowrap | |- | | Paul F. Schenck | | Republican | 1951 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |- | | William Moore McCulloch | | Republican | 1947 | Incumbent re-elected. | nowrap | |- | | Del Latta | | Republican | 1958 | Incumbent re-elected. | nowrap | |- | | Bill Harsha | | Republican | 1960 | Incumbent re-elected. | nowrap | |- | | Clarence J. Brown | | Republican | 1938 | Incumbent re-elected. | nowrap | |- | | Jackson Edward Betts | | Republican | 1950 | Incumbent re-elected. | nowrap | |- | | Thomas L. Ashley | | Democratic | 1954 | Incumbent re-elected. | nowrap | |- | | Pete Abele | | Republican | 1962 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |- | | Oliver P. Bolton | | Republican | 1962 | | Ran for at-large seatRepublican hold. | nowrap | |- | | Samuel L. Devine | | Republican | 1958 | Incumbent re-elected. | nowrap | |- | | Charles Adams Mosher | | Republican | 1960 | Incumbent re-elected. | nowrap | |- | | William Hanes Ayres | | Republican | 1950 | Incumbent re-elected. | nowrap | |- | | Robert T. Secrest | | Democratic | 1962 | Incumbent re-elected. | nowrap | |- | | Frank T. Bow | | Republican | 1950 | Incumbent re-elected. | nowrap | |- | | John M. Ashbrook | | Republican | 1960 | Incumbent re-elected. | nowrap | |- | | Wayne Hays | | Democratic | 1948 | Incumbent re-elected. | nowrap | |- | | Michael J. Kirwan | | Democratic | 1936 | Incumbent re-elected. | nowrap | |- | | Michael A. Feighan | | Democratic | 1942 | Incumbent re-elected. | nowrap | |- | | Charles Vanik | | Democratic | 1954 | Incumbent re-elected. | nowrap | |- | | Frances P. Bolton | | Republican | 1940 | Incumbent re-elected. | nowrap | |- | | William