M. Colmer | | Democratic | 1932 | Incumbent re-elected. | nowrap | |} Missouri |- ! | Frank M. Karsten | | Democratic | 1946 | Incumbent re-elected. | nowrap | |- ! | Thomas B. Curtis | | Republican | 1950 | Incumbent re-elected. | nowrap | |- ! | Leonor Sullivan | | Democratic | 1952 | Incumbent re-elected. | nowrap | |- ! | William J. Randall | | Democratic | 1959 | Incumbent re-elected. | nowrap | |- ! | Richard Walker Bolling | | Democratic | 1948 | Incumbent re-elected. | nowrap | |- ! | William Raleigh Hull Jr. | | Democratic | 1954 | Incumbent re-elected. | nowrap | |- ! | Charles Harrison Brown | | Democratic | 1956 | | Incumbent lost re-election.New member elected.Republican gain. | nowrap | |- ! | A. S. J. Carnahan | | Democratic | 1948 | | Incumbent lost renomination.New member elected.Democratic hold. | nowrap | |- ! | Clarence Cannon | | Democratic | 1922 | Incumbent re-elected. | nowrap | |- ! | Paul C. Jones | | Democratic | 1948 | Incumbent re-elected. | nowrap | |- ! | Morgan M. Moulder | | Democratic | 1948 | Incumbent re-elected. | nowrap | |} Montana |- ! | Lee Metcalf | | Democratic | 1952 | | Retired to run for U.S. senator.New member elected.Democratic hold. | nowrap | |- ! | LeRoy H. Anderson | | Democratic | 1956 | | Retired to run for U.S. senator.New member elected.Republican gain. | nowrap | |} Nebraska |- ! | Phillip Hart Weaver | | Republican | 1954 | Incumbent re-elected. | nowrap | |- ! | Glenn Cunningham | | Republican | 1956 | Incumbent re-elected. | nowrap | |- ! | Lawrence Brock | | Democratic | 1958 | | Incumbent lost re-election.New member elected.Republican gain. | nowrap | |- ! | Donald McGinley | | Democratic | 1958 | | Incumbent lost re-election.New member elected.Republican gain. | nowrap | |} Nevada |- ! | Walter S. Baring Jr. | | Democratic | 19481952 1956 | Incumbent re-elected. | nowrap | |} New Hampshire |- ! | Chester Earl Merrow | | Republican | 1942 | Incumbent re-elected. | nowrap | |- ! | Perkins Bass | | Republican | 1954 | Incumbent re-elected. | nowrap | |} New Jersey