| Dow W. Harter | | Democratic | 1932 | Incumbent re-elected. | nowrap | |- ! | Robert T. Secrest | | Democratic | 1932 | Incumbent re-elected. | nowrap | |- ! | William R. Thom | | Democratic | 1932 | Incumbent re-elected. | nowrap | |- ! | Charles F. West | | Democratic | 1930 | | Retired to run for U.S. senator.New member elected.Democratic hold. | nowrap | |- ! | Lawrence E. Imhoff | | Democratic | 1932 | Incumbent re-elected. | nowrap | |- ! | John G. Cooper | | Republican | 1914 | Incumbent re-elected. | nowrap | |- ! | Martin L. Sweeney | | Democratic | 1931 | Incumbent re-elected. | nowrap | |- ! | Robert Crosser | | Democratic | 1922 | Incumbent re-elected. | nowrap | |- ! | Chester C. Bolton | | Republican | 1928 | Incumbent re-elected. | nowrap | |- ! | Charles V. Truax | | Democratic | 1932 | Incumbent re-elected. | rowspan=2 | |- ! | Stephen M. Young | | Democratic | 1932 | Incumbent re-elected. |} Oklahoma |- ! | Wesley E. Disney | | Democratic | 1930 | Incumbent re-elected. | nowrap | |- ! | William Wirt Hastings | | Democratic | 1922 | | Incumbent retired.New member elected.Democratic hold. | nowrap | |- ! | Wilburn Cartwright | | Democratic | 1926 | Incumbent re-elected. | nowrap | |- ! | Tom D. McKeown | | Democratic | 1922 | | Incumbent lost renomination.New member elected.Democratic hold. | nowrap | |- ! | Fletcher B. Swank | | Democratic | 1930 | | Incumbent lost renomination.New member elected.Democratic hold. | nowrap | |- ! | Jed Johnson | | Democratic | 1926 | Incumbent re-elected. | nowrap | |- ! | James V. McClintic | | Democratic | 1914 | | Incumbent lost renomination.New member elected.Democratic hold. | nowrap | |- ! | Ernest W. Marland | | Democratic | 1932 | | Retired to run for Governor of Oklahoma.New member elected.Democratic hold. | nowrap | |- ! | Will Rogers | | Democratic | 1932 | Incumbent re-elected. | nowrap | |} Oregon |- ! | James W. Mott | | Republican | 1932 | Incumbent re-elected. | nowrap | |- ! | Walter M. Pierce | | Democratic | 1932 |