| Incumbent re-elected. | nowrap | |- ! rowspan=2 | | William B. Grove | | Federalist | 1790 | | Incumbent retired.New member elected.Federalist hold. | rowspan=2 nowrap | |- | Robert Williams | | Democratic-Republican | 1796 | | Incumbent retired to run for Governor of North Carolina.Democratic-Republican loss. |- ! | Richard Stanford | | Democratic-Republican | 1796 | Incumbent re-elected. | nowrap | |- ! | colspan=3 | None (District created) | | New seat.New member elected.Democratic-Republican gain. | nowrap | |- ! | colspan=3 | None (District created) | | New seat.New member elected.Democratic-Republican gain. | nowrap | |- ! | James Holland | | Democratic-Republican | 1800 | Incumbent re-elected. | nowrap | |- ! | Archibald Henderson | | Federalist | 1798 | | Incumbent retired.New member elected.Democratic-Republican gain. | nowrap | |} Ohio |- ! | colspan=3 | Ohio is considered to have been admitted to the Union near the end of the 7th Congress, but did not elect representatives until the 8th Congress. For this reason, Ohio is considered to have had a vacant seat in the House and two vacant seats in the Senate in the 7th Congress. | | New seat.New member elected.Democratic-Republican gain | nowrap | |} Pennsylvania Pennsylvania increased its apportionment from 13 to 18 seats after the 1800 census. The state was re-districted from 12 into 11 districts, four of which were plural districts. |- ! rowspan=3 | | William Jones | | Democratic-Republican | 1800 | | Incumbent retired.New member elected.Democratic-Republican hold. | rowspan=3 nowrap | |- | colspan=3 | None (Seat created) | | New seat.New member elected.Democratic-Republican gain. |- | Michael Leib | | Democratic-Republican | 1798 | Incumbent re-elected. |- ! rowspan=3 | | Robert Brown | | Democratic-Republican | 1798 | Incumbent re-elected. | rowspan=3 nowrap | |- | colspan=3 | None (Seat created) | | New seat.New member elected.Democratic-Republican gain. |- | Isaac Van Horne | | Democratic-Republican | 1801 | Incumbent re-elected. |- ! rowspan=3 | | Joseph Hemphill | | Federalist | 1800 | | Incumbent lost re-election.New member elected.Democratic-Republican gain. | rowspan=3 nowrap | |- | Joseph Hiester | | Democratic-Republican | 1797 | Incumbent re-elected. |- | Thomas Boude | | Federalist | 1800 | | Incumbent lost re-election.New member elected.Democratic-Republican gain. |- ! rowspan=2 | | John A. Hanna | | Democratic-Republican | 1796 |