| | Republican | 1952 | Incumbent re-elected. | nowrap | |- ! | Basil Lee Whitener | | Democratic | 1956 | Incumbent re-elected. | nowrap | |- ! | Roy A. Taylor | | Democratic | June 25, 1960(Special) | Incumbent re-elected. | nowrap | |} North Dakota |- ! | Don L. Short | | Republican | 1958 | Incumbent re-elected. | rowspan=2 nowrap | |- ! | Quentin Burdick | | Democratic | 1958 | | Incumbent resigned August 8, 1960 when elected U.S. senator.New member elected.Republican gain. |} Ohio |- ! | Gordon H. Scherer | | Republican | 1952 | Incumbent re-elected. | nowrap | |- ! | William E. Hess | | Republican | 1950 | | Incumbent retired.New member elected.Republican hold. | nowrap | |- ! | Paul F. Schenck | | Republican | 1951 | Incumbent re-elected. | nowrap | |- ! | William Moore McCulloch | | Republican | 1947 | Incumbent re-elected. | nowrap | |- ! | Del Latta | | Republican | 1958 | Incumbent re-elected. | nowrap | |- ! | James G. Polk | | Democratic | 1948 | | Incumbent died April 28, 1959.New member elected.Republican gain. | 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 | |- ! | Walter H. Moeller | | Democratic | 1958 | Incumbent re-elected. | nowrap | |- ! | Robert E. Cook | | Democratic | 1958 | Incumbent re-elected. | nowrap | |- ! | Samuel L. Devine | | Republican | 1958 | Incumbent re-elected. | nowrap | |- ! | Albert David Baumhart Jr. | | Republican | 1954 | | Incumbent retired.New member elected.Republican hold. | nowrap | |- ! | William Hanes Ayres | | Republican | 1950 | Incumbent re-elected. | nowrap | |- ! | John E. Henderson | | Republican | 1954 | | Incumbent retired.New member elected.Republican hold. | nowrap | |- ! | Frank T. Bow | | Republican | 1950 | Incumbent re-elected. | nowrap | |- ! | Robert W. Levering | | Democratic | 1958 | | Incumbent lost