| Dan Coats | | Republican | 1980 | Incumbent re-elected. | nowrap | |- ! | Elwood Hillis | | Republican | 1970 | Incumbent re-elected. | nowrap | |- ! | colspan=3 | None (district created) | | New seat.New member elected.Republican gain. | nowrap | |- ! rowspan=2 | | John T. Myers | | Republican | 1966 | Incumbent re-elected. | rowspan=2 nowrap | |- | Floyd Fithian | | Democratic | 1974 | | Incumbent retired to run for U.S. Senator.Democratic loss. |- ! | H. Joel Deckard | | Republican | 1978 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |- ! | Lee H. Hamilton | | Democratic | 1964 | Incumbent re-elected. | nowrap | |- ! rowspan=2 | | Andrew Jacobs Jr. | | Democratic | 19641972 1974 | Incumbent re-elected. | rowspan=2 nowrap | |- | David W. Evans | | Democratic | 1974 | | Incumbent lost renomination.Democratic loss. |} Iowa |- ! | Jim Leach | | Republican | 1976 | Incumbent re-elected. | nowrap | |- ! | Tom Tauke | | Republican | 1978 | Incumbent re-elected. | nowrap | |- ! | T. Cooper Evans | | Republican | 1980 | Incumbent re-elected. | nowrap | |- ! | Neal Smith | | Democratic | 1958 | Incumbent re-elected. | nowrap | |- ! | Tom Harkin | | Democratic | 1974 | Incumbent re-elected. | nowrap | |- ! | Berkley Bedell | | Democratic | 1974 | Incumbent re-elected. | nowrap | |} Kansas |- ! | Pat Roberts | | Republican | 1980 | Incumbent re-elected. | nowrap | |- ! | James Edmund Jeffries | | Republican | 1978 | | Incumbent retired.New member elected.Democratic gain. | nowrap | |- ! | Larry Winn | | Republican | 1966 | Incumbent re-elected. | nowrap | |- ! | Dan Glickman | | Democratic | 1976 | Incumbent re-elected. | nowrap | |- ! | Bob Whittaker | | Republican | 1978 | Incumbent re-elected. | nowrap | |} Kentucky |- ! | Carroll Hubbard | | Democratic | 1974 | Incumbent re-elected. | nowrap | |- ! | William Huston Natcher | | Democratic | 1953 | Incumbent re-elected. | nowrap | |- ! | Romano L. Mazzoli | | Democratic | 1970 | Incumbent re-elected. | nowrap