nowrap | |} Mississippi Mississippi was admitted as a state on December 10, 1817 from the western half of the former Mississippi Territory (the eastern half became Alabama Territory) It elected its first representative to Congress August 4–5, 1817. |- ! | colspan=3 | None (District created) | | New seat.New member elected.Democratic-Republican gain. | nowrap | |} Missouri Territory See Non-voting delegates, below. New Hampshire New Hampshire elected its members August 26, 1816. |- ! rowspan=6 | | Bradbury Cilley | | Federalist | 1812 | | Incumbent lost-relection.New member elected.Democratic-Republican gain. | rowspan=6 nowrap | |- | Charles Humphrey Atherton | | Federalist | 1814 | | Incumbent retired.New member elected.Democratic-Republican gain. |- | William Hale | | Federalist | 18081810 1812 | | Incumbent lost-relection.New member elected.Democratic-Republican gain. |- | Roger Vose | | Federalist | 1812 | | Incumbent lost-relection.New member elected.Democratic-Republican gain. |- | Daniel Webster | | Federalist | 1812 | | Incumbent retired.New member elected.Democratic-Republican gain. |- | Jeduthun Wilcox | | Federalist | 1812 | | Incumbent lost-relection.New member elected.Democratic-Republican gain. |} New Jersey In 1816, the Democratic-Republican candidates ran unopposed. New Jersey elected its members November 4–5, 1816. |- ! rowspan=6 | | Lewis Condict | | Democratic-Republican | 1810 | | Incumbent retired.New member elected.Democratic-Republican hold. | rowspan=6 nowrap | |- | Thomas Ward | | Democratic-Republican | 1813 | | Incumbent retired.New member elected.Democratic-Republican hold. |- | Henry Southard | | Democratic-Republican | 1814 | Incumbent re-elected. |- | Ephraim Bateman | | Democratic-Republican | 1814 | Incumbent re-elected. |- | Ezra Baker | | Democratic-Republican | 1814 | | Incumbent retired.New member elected.Democratic-Republican hold. |- | Benjamin Bennet | | Democratic-Republican | 1814 | Incumbent re-elected. |} New York New York elected its members April 23 to 25, 1816. |- ! rowspan=2 | | George Townsend | | Democratic-Republican | 1814 | Incumbent re-elected. | rowspan=2 nowrap | |- | Henry Crocheron | | Democratic-Republican | 1814 | | Incumbent retired.New member elected.Democratic-Republican hold. |- ! rowspan=2 | | William Irving | | Democratic-Republican | 1813 | Incumbent re-elected. | rowspan=2 nowrap | |- | Peter H. Wendover | | Democratic-Republican | 1814 | Incumbent re-elected. |- ! | Jonathan Ward | | Democratic-Republican | 1814 | | Incumbent retired.New member elected.Democratic-Republican hold. | nowrap | |- ! | Abraham H. Schenck | | Democratic-Republican | 1814 |