New Jersey elected its members October 13, 1818.
| District | Incumbent | This race | |||
|---|---|---|---|---|---|
| Member | Party | First elected | Results | Candidates[a] | |
| New Jersey at-large 6 seats on a general ticket | John Linn | Democratic-Republican | 1816 | Incumbent re-elected. | √ Ephraim Bateman (Democratic-Republican) 16.3% √ John Linn (Democratic-Republican) 16.2% √ Joseph Bloomfield (Democratic-Republican) 15.4% √ Bernard Smith (Democratic-Republican) 15.1% √ Henry Southard (Democratic-Republican) 15.0% √ John Condit (Democratic-Republican) 10.1% Charles Kinsey (Democratic-Republican) 8.5% Lewis Condict (Democratic-Republican) 1.8% |
| 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. | ||