Pennsylvania elected its members October 10, 1820.
| District | Incumbent | This race | |||
|---|---|---|---|---|---|
| Member | Party | First elected | Results | Candidates[1] | |
| Pennsylvania 1 Plural district with 4 seats | Joseph Hemphill | Federalist | 1800 1802 (Lost) 1818 | Incumbent re-elected. |
|
| Samuel Edwards | Federalist | 1818 | Incumbent re-elected. | ||
| Thomas Forrest | Federalist | 1818 | Incumbent lost re-election. New member elected. Federalist hold. | ||
| John Sergeant | Federalist | 1815 (Special) | Incumbent re-elected. | ||
| Pennsylvania 2 Plural district with 2 seats | William Darlington | Democratic-Republican | 1814 1816 (Lost) 1818 | Incumbent re-elected. |
|
| Samuel Gross | Democratic-Republican | 1818 | Incumbent re-elected. | ||
| Pennsylvania 3 Plural district with 2 seats | James M. Wallace | Democratic-Republican | 1815 (Special) | Incumbent lost re-election. New member elected. Federalist gain. |
|
| Jacob Hibshman | Democratic-Republican | 1818 | Incumbent lost re-election. New member elected. Federalist gain. | ||
| Pennsylvania 4 | Jacob Hostetter | Democratic-Republican | 1818 | Incumbent lost re-election. New member elected. Democratic-Republican hold. |
|
| Pennsylvania 5 Plural district with 2 seats | Andrew Boden | Democratic-Republican | 1816 | Incumbent retired. New member elected. Democratic-Republican hold. |
|
| David Fullerton | Democratic-Republican | 1818 | Incumbent resigned May 15, 1820. New member elected. Democratic-Republican hold. Successor was not a candidate in the same day's election to finish the term. Successor resigned in April 1821, leading to an October 9, 1821 special election. | ||
| Pennsylvania 6 Plural district with 2 seats | Samuel Moore | Democratic-Republican | 1818 | Incumbent re-elected. |
|
| Thomas J. Rogers | Democratic-Republican | 1818 (Special) | Incumbent re-elected. | ||
| Pennsylvania 7 | Joseph Hiester | Democratic-Republican | 1798 1804 (Retired) 1814 | Incumbent retired to run for Governor of Pennsylvania. New member elected. Federalist gain. Incumbent then resigned in December 1820 when elected Governor of Pennsylvania and successor lost the December 10, 1820 special election to finish the term. |
|
| Pennsylvania 8 | Robert Philson | Democratic-Republican | 1818 | Incumbent lost re-election. New member elected. Democratic-Republican hold. |
|
| Pennsylvania 9 | William P. Maclay | Democratic-Republican | 1816 | Incumbent lost re-election. New member elected. Democratic-Republican hold. |
|
| Pennsylvania 10 Plural district with 2 seats | George Denison | Democratic-Republican | 1818 | Incumbent re-elected. |
|
| John Murray | Democratic-Republican | 1817 (Special) | Incumbent retired. New member elected. Federalist gain. Incumbent resigned July 20, 1821, leading to an October 9, 1821 special election. | ||
| Pennsylvania 11 | David Marchand | Democratic-Republican | 1816 | Incumbent retired. New member elected. Democratic-Republican hold. |
|
| Pennsylvania 12 | Thomas Patterson | Democratic-Republican | 1816 | Incumbent re-elected. |
|
| Pennsylvania 13 | Christian Tarr | Democratic-Republican | 1816 | Incumbent lost re-election. New member elected. Democratic-Republican hold. |
|
| Pennsylvania 14 | Henry Baldwin | Democratic-Republican | 1816 | Incumbent re-elected. |
|
| Pennsylvania 15 | Robert Moore | Democratic-Republican | 1816 | Incumbent lost re-election. New member elected. Democratic-Republican hold. |
|
See also
- 1820 Pennsylvania's 5th congressional district special election
- 1820 Pennsylvania's 7th congressional district special election
- 1821 Pennsylvania's 5th congressional district special election
- 1821 Pennsylvania's 10th congressional district special election
- 1820 and 1821 United States House of Representatives elections
- List of United States representatives from Pennsylvania