! | Robert H. Clancy | | Republican | 1926 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |- ! | colspan=3 | None (district created) | | New seat.New member elected.Democratic gain. | nowrap | |- ! | colspan=3 | None (district created) | | New seat.New member elected.Democratic gain. | nowrap | |- ! | colspan=3 | None (district created) | | New seat.New member elected.Republican gain. | nowrap | |} Minnesota Minnesota, reapportioned from 10 seats down to 9, elected all representatives on a statewide general ticket. Of the 10 incumbents, only 1 Farmer–Labor and 1 Republican were re-elected. The other Republicans either lost re-election (4), lost renomination (3), or retired (1). The delegation changed therefore from overwhelmingly Republican (9-1) to a majority Farmer-Labor (5–4). |- ! rowspan=10 | | Victor Christgau | | Republican | 1928 | | Incumbent lost renomination.New member elected.Republican hold. | rowspan=10 nowrap | |- | August H. Andresen | | Republican | 1924 | | Incumbent lost re-election.New member elected.Farmer–Labor gain. |- | Melvin J. Maas | | Republican | 1926 | | Incumbent lost renomination.New member elected.Democratic gain. |- | William I. Nolan | | Republican | 1929 | | Incumbent lost re-election.New member elected.Farmer–Labor gain. |- | Harold Knutson | | Republican | 1916 | Incumbent re-elected. |- | Paul John Kvale | | Farmer–Labor | 1929 | Incumbent re-elected. |- | William A. Pittenger | | Republican | 1928 | | Incumbent lost re-election.New member elected.Farmer–Labor gain. |- | Conrad Selvig | | Republican | 1926 | | Incumbent lost re-election.New member elected.Farmer–Labor gain. |- | Godfrey G. Goodwin | | Republican | 1924 | | Incumbent lost renomination.New member elected.Republican hold. |- | Frank Clague | | Republican | 1920 | | Incumbent retired.Republican loss. |} Mississippi Redistricted from 8 districts to 7, with most of the 8th district being added to the 7th. |- ! | John E. Rankin | | Democratic | 1920 | Incumbent re-elected. | nowrap | |- ! | Wall Doxey | | Democratic | 1928 | Incumbent re-elected. | nowrap | |- ! | William Madison Whittington | | Democratic | 1924 | Incumbent re-elected. | nowrap | |- ! | Jeff Busby | | Democratic | 1922 | Incumbent re-elected. | nowrap | |- ! | Ross A. Collins | | Democratic | 1920 | Incumbent re-elected.