| | Republican | 1940 | Incumbent re-elected. | nowrap | |- ! | George H. Bender | | Republican | 1938 | Incumbent re-elected. | nowrap | |} Oklahoma |- ! | Wesley E. Disney | | Democratic | 1930 | | Incumbent retired to run for U.S. Senator.New member elected.Republican gain. | nowrap | |- ! | William G. Stigler | | Democratic | 1944 | Incumbent re-elected. | nowrap | |- ! | Paul Stewart | | Democratic | 1942 | Incumbent re-elected. | nowrap | |- ! | Lyle Boren | | Democratic | 1936 | Incumbent re-elected. | nowrap | |- ! | Mike Monroney | | Democratic | 1938 | Incumbent re-elected. | nowrap | |- ! | Jed Johnson | | Democratic | 1926 | Incumbent re-elected. | nowrap | |- ! | Victor Wickersham | | Democratic | 1941 | Incumbent re-elected. | nowrap | |- ! | Ross Rizley | | Republican | 1940 | Incumbent re-elected. | nowrap | |} Oregon |- ! | James W. Mott | | Republican | 1932 | Incumbent re-elected. | nowrap | |- ! | Lowell Stockman | | Republican | 1942 | Incumbent re-elected. | nowrap | |- ! | Homer D. Angell | | Republican | 1938 | Incumbent re-elected. | nowrap | |- ! | Harris Ellsworth | | Republican | 1942 | Incumbent re-elected. | nowrap | |} Pennsylvania Pennsylvania redistricted from 32 districts and an at-large seat to 33 districts. |- ! | James A. Gallagher | | Republican | 1942 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |- ! | Francis J. Myers | | Democratic | 1938 | | Incumbent retired to run for U.S. Senator.New member elected.Democratic hold. | nowrap | |- ! rowspan=2 | | Michael J. Bradley | | Democratic | 1936 | Incumbent re-elected. | rowspan=2 nowrap | |- | Joseph Marmaduke Pratt | | Republican | 1944 | | Incumbent lost re-election.Republican loss. |- ! | John E. Sheridan | | Democratic | 1939 | Incumbent re-elected. | nowrap | |- ! | C. Frederick Pracht | | Republican | 1942 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |- ! | Hugh Scott | | Republican | 1940 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |- ! | James Wolfenden