Incumbent retired.New member elected.Democratic gain. | nowrap | |- ! | Albert C. Ullman | | Democratic | 1956 | Incumbent re-elected. | nowrap | |- ! | Edith Green | | Democratic | 1954 | | Incumbent retired.New member elected.Democratic hold. | nowrap | |- ! | John R. Dellenback | | Republican | 1966 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |} Pennsylvania |- ! | William A. Barrett | | Democratic | 19441946 1948 | Incumbent re-elected. | nowrap | |- ! | Robert N. C. Nix Sr. | | Democratic | 1958 | Incumbent re-elected. | nowrap | |- ! | William J. Green III | | Democratic | 1964 | Incumbent re-elected. | nowrap | |- ! | Joshua Eilberg | | Democratic | 1966 | Incumbent re-elected. | nowrap | |- ! | John H. Ware III | | Republican | 1970 | | Incumbent retired.New member elected.Republican hold. | nowrap | |- ! | Gus Yatron | | Democratic | 1968 | Incumbent re-elected. | nowrap | |- ! | Lawrence G. Williams | | Republican | 1966 | | Incumbent lost renomination.New member elected.Democratic gain. | nowrap | |- ! | Edward G. Biester Jr. | | Republican | 1966 | Incumbent re-elected. | nowrap | |- ! | Bud Shuster | | Republican | 1972 | Incumbent re-elected. | nowrap | |- ! | Joseph M. McDade | | Republican | 1962 | Incumbent re-elected. | nowrap | |- ! | Daniel J. Flood | | Democratic | 19441946 19481952 1954 | Incumbent re-elected. | nowrap | |- ! | John Murtha | | Democratic | 1974 | Incumbent re-elected. | nowrap | |- ! | R. Lawrence Coughlin | | Republican | 1968 | Incumbent re-elected. | nowrap | |- ! | William S. Moorhead | | Democratic | 1958 | Incumbent re-elected. | nowrap | |- ! | Fred B. Rooney | | Democratic | 1963 | Incumbent re-elected. | nowrap | |- ! | Edwin D. Eshleman | | Republican | 1966 | Incumbent re-elected. | nowrap | |- ! | Herman T. Schneebeli | | Republican | 1960 | Incumbent re-elected. | nowrap | |- ! | H. John Heinz III | | Republican | 1971 | Incumbent re-elected. | nowrap | |- ! | George Atlee Goodling | | Republican | 19601964