! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |} North Carolina Elections were held August 7, 1845, after the March 4, 1845 beginning of the term, but before the House first convened in December 1845. |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |} Ohio Elections were held October 8, 1844. |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |} Pennsylvania Elections were held October 8, 1844. |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |- ! |} Rhode Island Elections were held April 2, 1845, after the March 4, 1845 beginning of the term, but before the House first convened in December 1845. |- ! |- ! |} South Carolina Elections were held October 14–15, 1844. |- ! |- ! |- ! |- ! |- ! |- ! |- ! |} Tennessee Elections were held August 7, 1845. |- ! | Andrew Johnson | | Democratic | 1842 | Incumbent re-elected. | nowrap | |- ! | William T. Senter | | Whig | 1842 | |Incumbent retired.New member elected.Whig hold. | nowrap | |- ! | Julius W. Blackwell | | Democratic | 1842 | |Incumbent lost re-election.New member elected.Whig gain. | nowrap | |- ! | Alvan Cullom | | Democratic | 1842 | Incumbent re-elected. | nowrap | |- ! | George W. Jones | | Democratic | 1842 | Incumbent re-elected. | nowrap | |- ! | Aaron V. Brown | | Democratic | 1839 | |Incumbent retired to run for Governor.New member elected.Democratic hold. | nowrap | |- ! | David W. Dickinson | |