re-election.New member elected.Republican gain. | nowrap | |- ! | Wayne L. Hays | | Democratic | 1948 | Incumbent re-elected. | nowrap | |- ! | Michael J. Kirwan | | Democratic | 1936 | Incumbent re-elected. | nowrap | |- ! | Michael A. Feighan | | Democratic | 1942 | Incumbent re-elected. | nowrap | |- ! | Charles Vanik | | Democratic | 1954 | Incumbent re-elected. | nowrap | |- ! | Frances P. Bolton | | Republican | 1940 | Incumbent re-elected. | nowrap | |- ! | William Edwin Minshall Jr. | | Republican | 1954 | Incumbent re-elected. | nowrap | |} Oklahoma |- ! | Page Belcher | | Republican | 1950 | Incumbent re-elected. | nowrap | |- ! | Ed Edmondson | | Democratic | 1952 | Incumbent re-elected. | 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 | |- ! | Toby Morris | | Democratic | 1956 | | Incumbent lost renomination.New member elected.Democratic hold. | nowrap | |} Oregon |- ! | A. Walter Norblad | | Republican | 1946 | Incumbent re-elected. | nowrap | |- ! | Al Ullman | | Democratic | 1956 | Incumbent re-elected. | nowrap | |- ! | Edith Green | | Democratic | 1954 | Incumbent re-elected. | nowrap | |- ! | Charles O. Porter | | Democratic | 1956 | | Incumbent lost re-election.New member elected.Republican gain. | nowrap | |} Pennsylvania |- ! | William A. Barrett | | Democratic | 19441946 1948 | Incumbent re-elected. | nowrap | |- ! | Kathryn E. Granahan | | Democratic | 1956 | Incumbent re-elected. | nowrap | |- ! | James A. Byrne | | Democratic | 1952 | Incumbent re-elected. | nowrap | |- ! | Robert N. C. Nix Sr. | | Democratic | 1958 | Incumbent re-elected. | nowrap | |- ! | William J. Green Jr. | | Democratic | 1944 | Incumbent re-elected. | nowrap | |- ! | Herman Toll | | Democratic | 1958 | Incumbent re-elected. | nowrap | |- ! | William H. Milliken Jr. |