Republican | 1940 | Incumbent re-elected. | nowrap | |- ! | William W. Blackney | | Republican | 1938 | Incumbent re-elected. | nowrap | |- ! | Jesse P. Wolcott | | Republican | 1930 | Incumbent re-elected. | nowrap | |- ! | Fred L. Crawford | | Republican | 1934 | Incumbent re-elected. | nowrap | |- ! | Albert J. Engel | | Republican | 1934 | Incumbent re-elected. | nowrap | |- ! | Roy O. Woodruff | | Republican | 1920 | Incumbent re-elected. | nowrap | |- ! | Frederick Van Ness Bradley | | Republican | 1938 | Incumbent re-elected. | nowrap | |- ! | Frank Eugene Hook | | Democratic | 1934 | Incumbent re-elected. | nowrap | |- ! | Clarence J. McLeod | | Republican | 1938 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |- ! | Louis C. Rabaut | | Democratic | 1934 | Incumbent re-elected. | nowrap | |- ! | John Dingell Sr. | | Democratic | 1932 | Incumbent re-elected. | nowrap | |- ! | John Lesinski Sr. | | Democratic | 1932 | Incumbent re-elected. | nowrap | |- ! | George Anthony Dondero | | Republican | 1932 | Incumbent re-elected. | nowrap | |} Minnesota |- ! | August H. Andresen | | Republican | 1934 | Incumbent re-elected. | nowrap | |- ! | Elmer Ryan | | Democratic | 1934 | | Incumbent lost re-election.New member elected.Republican gain. | nowrap | |- ! | John G. Alexander | | Republican | 1938 | | Incumbent lost renomination.New member elected.Republican hold. | nowrap | |- ! | Melvin J. Maas | | Republican | 1934 | Incumbent re-elected. | nowrap | |- ! | Oscar Youngdahl | | Republican | 1938 | Incumbent re-elected. | nowrap | |- ! | Harold Knutson | | Republican | 1934 | Incumbent re-elected. | nowrap | |- ! | Herman Carl Andersen | | Republican | 1938 | Incumbent re-elected. | nowrap | |- ! | William Alvin Pittenger | | Republican | 1938 | Incumbent re-elected. | nowrap | |- ! | Rich T. Buckler | | Farmer–Labor | 1934 | Incumbent re-elected. | nowrap | |} Mississippi |- ! | John E. Rankin | | Democratic | 1920 | Incumbent re-elected. | nowrap |