Hays | | Democratic | 1948 | Incumbent re-elected. | nowrap | |- ! | Charles J. Carney | | Democratic | 1970 | Incumbent re-elected. | nowrap | |- ! | James V. Stanton | | Democratic | 1970 | Incumbent re-elected. | nowrap | |- ! | Louis Stokes | | Democratic | 1968 | Incumbent re-elected. | nowrap | |- ! | Charles Vanik | | Democratic | 1954 | Incumbent re-elected. | nowrap | |- ! | William Edwin Minshall Jr. | | Republican | 1954 | Incumbent re-elected. | nowrap | |} Oklahoma |- ! | Page Belcher | | Republican | 1950 | | Incumbent retired.New member elected.Democratic gain. | nowrap | |- ! | Ed Edmondson | | Democratic | 1952 | | Retired to run for U.S. Senator.New member elected.Democratic hold. | nowrap | |- ! | Carl Albert | | Democratic | 1946 | Incumbent re-elected. | nowrap | |- ! | Tom Steed | | Democratic | 1948 | Incumbent re-elected. | nowrap | |- ! | John Jarman | | Democratic | 1950 | Incumbent re-elected. | nowrap | |- ! | John Newbold Camp | | Republican | 1968 | Incumbent re-elected. | nowrap | |} Oregon |- ! | Wendell Wyatt | | Republican | 1964 | Incumbent re-elected. | nowrap | |- ! | Albert C. Ullman | | Democratic | 1956 | Incumbent re-elected. | nowrap | |- ! | Edith Green | | Democratic | 1954 | Incumbent re-elected. | nowrap | |- ! | John R. Dellenback | | Republican | 1966 | Incumbent re-elected. | nowrap | |} Pennsylvania |- ! | William A. Barrett | | Democratic | 19441946 1948 | Incumbent re-elected. | nowrap | |- ! | Robert N. C. Nix Sr. | | Democratic | 1958 | Incumbent re-elected. | nowrap | |- ! rowspan=2 | | James A. Byrne | | Democratic | 1952 | | Incumbent lost renomination.Democratic loss. | rowspan=2 nowrap | |- | William J. Green III | | Democratic | 1964 | Incumbent re-elected. |- ! | Joshua Eilberg | | Democratic | 1966 | Incumbent re-elected. | nowrap | |- ! | John H. Ware III | | Republican | 1970 | Incumbent re-elected. | nowrap | |- ! | Gus Yatron | | Democratic | 1968 | Incumbent re-elected. | nowrap