Of the 5 New Jersey incumbents, only one was re-elected.
| District | Incumbent | Party | First elected | Result | Candidates | |
|---|---|---|---|---|---|---|
| John Condit | Democratic-Republican | 1798 | Incumbent re-elected. | √ James Mott (Democratic-Republican) 10.3% √ Ebenezer Elmer (Democratic-Republican) 10.2% √ John Condit (Democratic-Republican) 10.2% √ William Helms (Democratic-Republican) 10.2% √ Henry Southard (Democratic-Republican) 10.1% Aaron Ogden (Federalist) 9.9% Peter DeVroom (Federalist) 9.8% James H. Imlay (Federalist) 9.8% Franklin Davenport (Federalist) 9.8% William Coxe (Federalist) 9.8% | ||
| Aaron Kitchell | Democratic-Republican | 1798 | Incumbent retired. New member elected. Democratic-Republican hold. | |||
| James Linn | Democratic-Republican | 1798 | Incumbent retired. New member elected. Democratic-Republican hold. | |||
| James H. Imlay | Federalist | 1797 | Incumbent lost re-election. New member elected. Democratic-Republican gain. | |||
| Franklin Davenport | Federalist | 1798 | Incumbent lost re-election. New member elected. Democratic-Republican gain. |