| Melville Clyde Kelly | | Republican | 1916 | Incumbent re-elected. | nowrap | |- ! | Patrick J. Sullivan | | Republican | 1928 | | Incumbent lost renomination.New member elected.Republican hold. | nowrap | |- ! | Harry A. Estep | | Republican | 1926 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |- ! | Guy E. Campbell | | Republican | 1916 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |} Puerto Rico See Non-voting delegates, below. Rhode Island |- ! rowspan=2 | | Clark Burdick | | Republican | 1918 | | Incumbent lost re-election.Republican loss. | rowspan=2 nowrap | |- | Francis Condon | | Democratic | 1930 | Incumbent re-elected. |- ! | Richard S. Aldrich | | Republican | 1922 | | Incumbent retired.New member elected.Democratic gain. | nowrap | |} South Carolina |- ! | Thomas S. McMillan | | Democratic | 1924 | Incumbent re-elected. | nowrap | |- ! | Hampton P. Fulmer | | Democratic | 1920 | Incumbent re-elected. | nowrap | |- ! | Frederick H. Dominick | | Democratic | 1916 | | Incumbent lost renomination.New member elected.Democratic hold. | nowrap | |- ! | John J. McSwain | | Democratic | 1920 | Incumbent re-elected. | nowrap | |- ! | William Francis Stevenson | | Democratic | 1917 | | Incumbent lost renomination.New member elected.Democratic hold. | nowrap | |- ! | Allard H. Gasque | | Democratic | 1922 | Incumbent re-elected. | nowrap | |} South Dakota |- ! | Charles A. Christopherson | | Republican | 1918 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |- ! rowspan=2 | | Royal C. Johnson | | Republican | 1914 | | Incumbent retired.Republican loss. | rowspan=2 nowrap | |- | William Williamson | | Republican | 1920 | | Incumbent lost re-election.New member elected.Democratic gain. |} Tennessee |- ! | Oscar B. Lovette | | Republican | 1930 | | Incumbent lost renomination and re-election as an Independent.New member elected.Republican hold. | nowrap | |- ! | J. Will Taylor | | Republican | 1918 | Incumbent re-elected. | nowrap | |- ! | Sam D. McReynolds | | Democratic | 1922 | Incumbent re-elected. | nowrap | |- ! | John Ridley Mitchell | | Democratic | 1930 | Incumbent