Ezekiel Whitman | | Federalist | 18081810 1816 | Incumbent re-elected. | nowrap | |- ! | Mark Langdon Hill | | Democratic-Republican | 1819 | Incumbent re-elected on the second ballot. | nowrap | |- ! | Martin Kinsley | | Democratic-Republican | 1819 | | Incumbent lost re-election.New member elected on the third ballot after the beginning of the term but before Congress convened.Democratic-Republican hold. | nowrap | |- ! | James Parker | | Democratic-Republican | 18131814 1819 | | Incumbent lost re-election.New member elected on the third ballot after the beginning of the term but before Congress convened.Democratic-Republican hold. | nowrap | |- ! | Joshua Cushman | | Democratic-Republican | 1818 | Incumbent re-elected. | nowrap | |- ! | Enoch Lincoln | | Democratic-Republican | 1818 | Incumbent re-elected. | nowrap | |} Maryland Maryland elected its members October 2, 1820. |- ! | Raphael Neale | | Federalist | 1818 | Incumbent re-elected. | nowrap | |- ! | Joseph Kent | | Democratic-Republican | 1818 | Incumbent re-elected. | nowrap | |- ! | Henry R. Warfield | | Federalist | 1818 | Incumbent re-elected. | nowrap | |- ! | Samuel Ringgold | | Democratic-Republican | 18101814 1816 | | Incumbent retired.New member elected.Democratic-Republican hold. | nowrap | |- ! rowspan=2 | | Samuel Smith | | Democratic-Republican | 17921803 1816 | Incumbent re-elected. | rowspan=2 nowrap | |- | Peter Little | | Democratic-Republican | 18101812 1816 | Incumbent re-elected. |- ! | Stevenson Archer | | Democratic-Republican | 1811 1816 1818 | | Incumbent retired.New member elected by lot after tied vote.Democratic-Republican hold. | nowrap | |- ! | Thomas Culbreth | | Democratic-Republican | 1816 | | Incumbent lost re-election.New member elected.Democratic-Republican hold. | nowrap | |- ! | Thomas Bayly | | Federalist | 1816 | Incumbent re-elected. | nowrap | |} Massachusetts This was the first election in Massachusetts after the separation of the former District of Maine as the new State of Maine, taking the old – districts with it. Massachusetts elected its members November 6, 1820. Massachusetts had a majority requirement for election, which was not met in the necessitating two additional elections on January 8, 1821, and April 16, 1821, after the term began but before the new Congress convened. District numbers differed between source used and elsewhere on Wikipedia; district numbers used