Edward F. Tattnall | | Jacksonian | 1820 | | Incumbent resigned in 1827 before the assembling of Congress.New member elected October 1, 1827.Jacksonian hold.Successor was seated December 3, 1827. | nowrap | |- ! | Louis McLane | | Jacksonian | 1816 | | Incumbent resigned some time in 1827 before the assembling of Congress after being elected to the US Senate.New member elected October 2, 1827.Anti-Jacksonian gain.Successor was seated December 3, 1827. | nowrap | |- ! | William Wilson | | Anti-Jacksonian | 1822 | | Incumbent died June 6, 1827.New member elected October 9, 1827.Jacksonian gain.Successor was seated December 3, 1827. | nowrap | |- ! | colspan=3 | Vacant | | General election ended in a tie vote and the seat remained vacant.New member elected October 9, 1827.Anti-Jacksonian gain.Successor seated January 14, 1828. | nowrap | |- ! | David E. Evans | | Jacksonian | 1826 | | Incumbent resigned May 2, 1827.New member elected November 5, 1827.Anti-Jacksonian gain.Successor was seated December 3, 1827. | nowrap | |- ! | John Forsyth | | Jacksonian | 1822 | | Incumbent resigned November 7, 1827 to become Governor of Georgia.New member elected November 17, 1827.Jacksonian hold.Successor was seated January 14, 1828. | nowrap | |- ! | William S. Young | | Anti-Jacksonian | 1824 | | Incumbent died September 20, 1827.New member elected November 5–7, 1827 but initial winner declined the seat to avoid an election dispute.Upon re-election, new member elected December 22, 1827.Jacksonian gain.Successor was seated January 11, 1828. | nowrap | |- ! | Henry W. Conway | | Unknown | 1822 | | Incumbent died November 9, 1827.New member elected in 1827 or 1828.Jacksonian gain.Successor was seated February 13, 1828. | nowrap | |} Alabama Alabama elected its members August 1–3, 1827, after the term began but before the new Congress convened. |- ! | Gabriel Moore | | Jacksonian | 1821 | Incumbent re-elected. | nowrap | |- ! | John McKee | | Jacksonian | 1823 | Incumbent re-elected. | nowrap | |- ! | George W. Owen | | Jacksonian | 1823 | Incumbent re-elected. | nowrap | |} Arkansas Territory See Non-voting delegates, below. Connecticut Connecticut elected its members April 12, 1827, after the term began but before the new Congress convened. |- ! rowspan=6 | | Gideon Tomlinson | | Anti-Jacksonian | 1818 | | Incumbent