elected.Republican hold. | nowrap | |- ! | Jim Broyhill | | Republican | 1962 | Incumbent re-elected. | nowrap | |- ! | Roy A. Taylor | | Democratic | 1960 | Incumbent re-elected. | nowrap | |} North Dakota |- ! rowspan=2 | | Mark Andrews | | Republican | 1963 | Incumbent re-elected. | rowspan=2 nowrap | |- | Arthur A. Link | | Democratic | 1970 | | Retired to run for GovernorDemocratic loss. |} Ohio |- ! | William J. Keating | | Republican | 1970 | Incumbent re-elected. | nowrap | |- ! | Donald D. Clancy | | Republican | 1960 | Incumbent re-elected. | nowrap | |- ! | Charles W. Whalen Jr. | | Republican | 1966 | Incumbent re-elected. | nowrap | |- ! rowspan=2 | | William Moore McCulloch | | Republican | 1947 | | Incumbent retired.New member elected.Republican hold. | rowspan=2 nowrap | |- | Jackson Edward Betts | | Republican | 1950 | | Incumbent retired.Republican loss. |- ! | Del Latta | | Republican | 1958 | Incumbent re-elected. | nowrap | |- ! | Bill Harsha | | Republican | 1960 | Incumbent re-elected. | nowrap | |- ! | Clarence J. Brown Jr. | | Republican | 1965 | Incumbent re-elected. | nowrap | |- ! | Walter E. Powell | | Republican | 1970 | Incumbent re-elected. | nowrap | |- ! | Thomas L. Ashley | | Democratic | 1954 | Incumbent re-elected. | nowrap | |- ! | Clarence E. Miller | | Republican | 1966 | Incumbent re-elected. | nowrap | |- ! | J. William Stanton | | Republican | 1964 | Incumbent re-elected. | nowrap | |- ! | Samuel L. Devine | | Republican | 1958 | Incumbent re-elected. | nowrap | |- ! | Charles Adams Mosher | | Republican | 1960 | Incumbent re-elected. | nowrap | |- ! | John F. Seiberling | | Democratic | 1970 | Incumbent re-elected. | nowrap | |- ! | Chalmers P. Wylie | | Republican | 1966 | Incumbent re-elected. | nowrap | |- ! | Frank T. Bow | | Republican | 1950 | | Incumbent retired.New member elected.Republican hold. | nowrap | |- ! | John M. Ashbrook | | Republican | 1960 | Incumbent re-elected. | nowrap | |- ! | Wayne L.