lost re-election.New member elected.Republican gain. | nowrap | |- ! | Will Rogers | | Democratic | 1932 | Incumbent re-elected. | nowrap | |} Oregon |- ! | James W. Mott | | Republican | 1932 | Incumbent re-elected. | nowrap | |- ! | Walter M. Pierce | | Democratic | 1932 | Incumbent re-elected. | nowrap | |- ! | Homer D. Angell | | Republican | 1938 | Incumbent re-elected. | nowrap | |} Pennsylvania |- ! | Leon Sacks | | Democratic | 1936 | Incumbent re-elected. | nowrap | |- ! | James P. McGranery | | Democratic | 1936 | Incumbent re-elected. | nowrap | |- ! | Michael J. Bradley | | Democratic | 1936 | Incumbent re-elected. | nowrap | |- ! | John E. Sheridan | | Democratic | 1939 | Incumbent re-elected. | nowrap | |- ! | Fred C. Gartner | | Republican | 1938 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |- ! | Francis J. Myers | | Democratic | 1938 | Incumbent re-elected. | nowrap | |- ! | George P. Darrow | | Republican | 1938 | | Incumbent retired.New member elected.Republican hold. | nowrap | |- ! | James Wolfenden | | Republican | 1928 | Incumbent re-elected. | nowrap | |- ! | Charles L. Gerlach | | Republican | 1938 | Incumbent re-elected. | nowrap | |- ! | J. Roland Kinzer | | Republican | 1930 | Incumbent re-elected. | nowrap | |- ! | Patrick J. Boland | | Democratic | 1930 | Incumbent re-elected. | nowrap | |- ! | J. Harold Flannery | | Democratic | 1936 | Incumbent re-elected. | nowrap | |- ! | Ivor D. Fenton | | Republican | 1938 | Incumbent re-elected. | nowrap | |- ! | Guy L. Moser | | Democratic | 1936 | Incumbent re-elected. | nowrap | |- ! | Albert G. Rutherford | | Republican | 1936 | Incumbent re-elected. | nowrap | |- ! | Robert F. Rich | | Republican | 1930 | Incumbent re-elected. | nowrap | |- ! | J. William Ditter | | Republican | 1932 | Incumbent re-elected. | nowrap | |- ! | Richard M. Simpson | | Republican | 1937 | Incumbent re-elected. | nowrap | |- ! | John C. Kunkel | |