D. Ingham | | Democratic-Republican | 1818 | | Incumbent resigned July 6, 1818.New member elected.Democratic-Republican hold.Successor also elected the same day to finish the current term. | rowspan=2 nowrap | |- | Thomas J. Rogers | | Democratic-Republican | 1818 | Incumbent re-elected. |- ! | Joseph Hiester | | Democratic-Republican | 17981804 1814 | Incumbent re-elected. | nowrap | |- ! | Alexander Ogle | | Democratic-Republican | 1816 | | Incumbent retired.New member elected.Democratic-Republican hold. | nowrap | |- ! | William P. Maclay | | Democratic-Republican | 1816 | Incumbent re-elected. | nowrap | |- ! rowspan=2 | | William Wilson | | Democratic-Republican | 1814 | | Incumbent retired.New member elected.Democratic-Republican hold. | rowspan=2 nowrap | |- | John Murray | | Democratic-Republican | 1817 | Incumbent re-elected. |- ! | David Marchand | | Democratic-Republican | 1816 | Incumbent re-elected. | nowrap | |- ! | Thomas Patterson | | Democratic-Republican | 1816 | Incumbent re-elected. | nowrap | |- ! | Christian Tarr | | Democratic-Republican | 1816 | Incumbent re-elected. | nowrap | |- ! | Henry Baldwin | | Democratic-Republican | 1816 | Incumbent re-elected. | nowrap | |- ! | Robert Moore | | Democratic-Republican | 1816 | Incumbent re-elected. | nowrap | |} Rhode Island Rhode Island elected its members August 25, 1818. |- ! rowspan=2 | | John L. Boss Jr. | | Federalist | 1814 | | Incumbent retired.New member elected.Democratic-Republican gain. | rowspan=2 nowrap | |- | James B. Mason | | Federalist | 1814 | | Incumbent retired.New member elected.Democratic-Republican gain. |} South Carolina South Carolina elected its members October 12–13, 1818. |- ! | Henry Middleton | | Democratic-Republican | 1814 | | Incumbent retired.New member elected.Democratic-Republican hold. | nowrap | |- ! | William Lowndes | | Democratic-Republican | 1810 | Incumbent re-elected. | nowrap | |- ! | James Ervin | | Democratic-Republican | 1816 | Incumbent re-elected. | nowrap | |- ! | Joseph Bellinger | | Democratic-Republican | 1816 | | Incumbent retired.New member elected.Democratic-Republican hold. | nowrap | |- ! | Starling Tucker | | Democratic-Republican | 1816 | Incumbent re-elected. | nowrap | |- ! | Eldred Simkins | | Democratic-Republican | 1818 | Incumbent re-elected. | nowrap | |- ! | Elias Earle | | Democratic-Republican | 18041814 1816 | Incumbent re-elected. | nowrap | |- !