member elected.Democratic-Republican gain. | nowrap | |- ! | John Wilson | | Federalist | 1816 | | Incumbent lost re-election.New member elected.Democratic-Republican gain. | nowrap | |- ! | Thomas Rice | | Federalist | 1814 | | Incumbent lost re-election.New member elected.Democratic-Republican gain. | nowrap | |- ! | Joshua Gage | | Democratic-Republican | 1816 | | Ran in the and lost re-election.New member elected.Democratic-Republican hold. | nowrap | |- ! | Enoch Lincoln | | Democratic-Republican | 1818 | Incumbent re-elected. | nowrap | |} Michigan Territory See Non-voting delegates, below. Mississippi Mississippi elected its member August 2–3, 1819, after the new congress began but before the first session convened. |- ! | George Poindexter | | Democratic-Republican | 1817 | | Incumbent retired.New member elected.Democratic-Republican hold. | nowrap | |} Missouri Territory See Non-voting delegates, below. New Hampshire New Hampshire elected its members March 9, 1819, after the new congress began but before the first session convened. |- ! rowspan=6 | | Josiah Butler | | Democratic-Republican | 1816 | Incumbent re-elected. | rowspan=6 nowrap | |- | Nathaniel Upham | | Democratic-Republican | 1816 | Incumbent re-elected. |- | Clifton Clagett | | Democratic-Republican | 18021804 1816 | Incumbent re-elected. |- | Salma Hale | | Democratic-Republican | 1816 | | Incumbent retired.New member elected.Democratic-Republican hold. |- | John F. Parrott | | Democratic-Republican | 1816 | | Incumbent retired.New member elected.Democratic-Republican hold. |- | Arthur Livermore | | Democratic-Republican | 1816 | Incumbent re-elected. |} New Jersey New Jersey elected its members October 13, 1818. |- ! rowspan=6 | | John Linn | | Democratic-Republican | 1816 | Incumbent re-elected. | rowspan=6 nowrap | |- | Charles Kinsey | | Democratic-Republican | 1816 | | Incumbent lost re-election.New member elected.Democratic-Republican hold. |- | Henry Southard | | Democratic-Republican | 1814 | Incumbent re-elected. |- | Ephraim Bateman | | Democratic-Republican | 1814 | Incumbent re-elected. |- | Joseph Bloomfield | | Democratic-Republican | 1816 | Incumbent re-elected. |- | Benjamin Bennet | | Democratic-Republican | 1814 | | Incumbent lost re-election.New member elected.Democratic-Republican hold. |} New York New York elected its members April 28–30, 1818, the earliest of any state. At this time, the Democratic-Republicans in New York were divided into two factions, the "Bucktails" who were opposed to Governor Dewitt Clinton's Erie Canal project, led by Martin Van Buren, and on the