| 1958 | Incumbent re-elected. |- ! | Carleton J. King | | Republican | 1960 | Incumbent re-elected. | nowrap | |- ! | Robert C. McEwen | | Republican | 1964 | Incumbent re-elected. | nowrap | |- ! | Alexander Pirnie | | Republican | 1958 | Incumbent re-elected. | nowrap | |- ! | Howard W. Robison | | Republican | 1958 | Incumbent re-elected. | nowrap | |- ! | colspan=3 | None (District created) | | New seatRepublican gain. | nowrap | |- ! | James M. Hanley | | Democratic | 1964 | Incumbent re-elected. | nowrap | |- ! | Frank Horton | | Republican | 1962 | Incumbent re-elected. | nowrap | |- ! | Barber Conable | | Republican | 1964 | Incumbent re-elected. | nowrap | |- ! | James F. Hastings | | Republican | 1968 | Incumbent re-elected. | nowrap | |- ! | Richard D. McCarthy | | Democratic | 1964 | | Incumbent retired to run for U.S. senator.New member elected.Republican gain. | nowrap | |- ! | Henry P. Smith III | | Republican | 1964 | Incumbent re-elected. | nowrap | |- ! | Thaddeus J. Dulski | | Democratic | 1958 | Incumbent re-elected. | nowrap | |} North Carolina |- ! | Walter B. Jones Sr. | | Democratic | 1966 | Incumbent re-elected. | nowrap | |- ! | Lawrence H. Fountain | | Democratic | 1952 | Incumbent re-elected. | nowrap | |- ! | David N. Henderson | | Democratic | 1960 | Incumbent re-elected. | nowrap | |- ! | Nick Galifianakis | | Democratic | 1966 | Incumbent re-elected. | nowrap | |- ! | Wilmer Mizell | | Republican | 1968 | Incumbent re-elected. | nowrap | |- ! | L. Richardson Preyer | | Democratic | 1968 | Incumbent re-elected. | nowrap | |- ! | Alton Lennon | | Democratic | 1956 | Incumbent re-elected. | nowrap | |- ! | Earl B. Ruth | | Republican | 1968 | Incumbent re-elected. | nowrap | |- ! | Charles R. Jonas | | Republican | 1952 | Incumbent re-elected. | nowrap | |- ! | Jim Broyhill | | Republican | 1962 | Incumbent re-elected. | nowrap | |- ! | Roy A. Taylor | | Democratic | 1960 | Incumbent re-elected. |