# 1820 United States House of Representatives elections in Pennsylvania

Elections in Pennsylvania :
Federal government
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2000
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U.S. Senate
1788
1791
1793 sp
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1795
1796
1797
1801
1801 sp
1802
1806
1808
1808 sp
1809 sp
1812
1814
1814 sp
1818
1820
1824
1826
1830
1831 sp
1832
1834 sp
1836
1840 sp
1843
1845
1845 sp
1849
1851
1856
1857
1861
1861 sp
1863
1867
1869
1873
1875
1877 sp
1879
1881
1885
1887
1891
1893
1897
1899
1901 sp
1903
1905
1905 sp
1908
1909
1909 sp
1911
1914
1916
1920
1922
1922 sp
1926
1928
1930 sp
1932
1934
1938
1940
1944
1946
1950
1952
1956
1958
1962
1964
1968
1970
1974
1976
1980
1982
1986
1988
1991 sp
1992
1994
1998
2000
2004
2006
2010
2012
2016
2018
2022
2024
2028
U.S. House of Representatives
1788
1791
1792
1794
1796
5th sp
1797
5th sp
1798
1st sp
4th sp
1800
8th sp
1801
4th sp
8th sp
12th sp
1802
1804
10th sp
1805
4th sp
11th sp
1806
1st sp
1808
1st sp
1809
1st sp
1810
1812
1813
3rd sp
5th sp
7th sp
13th sp
15th sp
1814
2nd sp
3rd sp
1815
1st sp
3rd sp
9th sp
1816
9th sp
1817
10th sp
1818
4th sp
6th sp
1820
5th sp
7th sp
1821
5th sp
10th sp
1822
1st sp
6th sp
7th sp
14th sp
1824
8th sp
13th sp
1825
16th sp
1826
2nd sp
7th sp
13th sp
18th sp
1827
2nd sp
1828
1829
8th sp
16th sp
1830
1831
11th sp
1832
1833
1st sp
1834
1836
13th sp
24th sp
1837
3rd sp
1838
9th sp
1839
14th sp
1840
13th sp
22nd sp
1841
2nd sp
13th sp
20th sp
18th sp
Jun
Dec
1842
17th sp
21st sp
1843
1844
12th sp
13th sp
21st sp
1846
1848
6th sp
1850
11th sp
15th sp
1852
1854
8th sp
1856
1857
12th sp
1858
8th sp
1860
8th sp
1861
2nd sp
12th sp
1862
7th sp
1864
1866
1867
12th sp
1868
9th sp
20th sp
1870
1872
13th sp
1874
23rd sp
1876
12th sp
1878
1880
1882
1884
19th sp
1885
19th sp
1886
1888
1890
3rd sp
4th sp
1892
1893
2nd sp
8th sp
1894
at-large sp
1895
15th sp
1896
1897
25th sp
1898
23rd sp
1899
9th sp
1900
5th sp
1901
10th sp
1902
17th sp
1903
4th sp
1904
3rd sp
1906
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12th sp
1907
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1908
1910
1911
2nd sp
14th sp
1912
1st sp
1914
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1917
28th sp
1918
1919
22nd sp
1920
3rd sp
1921
at-large sp
1922
1924
1926
1927
1st sp
1928
8th sp
1929
12th sp
1930
1931
2nd sp
1932
6th sp
18th sp
20th sp
1933
9th sp
1934
1936
1937
18th sp
1938
1939
4th sp
1940
1941
15th sp
1942
11th sp
12th sp
33rd sp
1943
2nd sp
23rd sp
1944
2nd sp
17th sp
1946
10th sp
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33rd sp
1947
8th sp
1948
1949
22nd sp
26th sp
1950
1951
8th sp
14th sp
33rd sp
1952
1954
1956
2nd sp
30th sp
1957
13th sp
1958
4th sp
21st sp
1960
17th sp
18th sp
1961
16th sp
1962
1963
15th sp
23rd sp
1964
5th sp
1966
1968
1970
9th sp
1971
18th sp
1972
27th sp
1974
12th sp
1976
1st sp
1978
1980
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1981
3rd sp
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1992
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1st sp
2000
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2002
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12th sp
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2018
7th sp
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2019
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2020
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2024 :
State government
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2000
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2000
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Philadelphia
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City Council elections
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2022–23 sp.
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Other municipal elections
1951
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2023 :
Pittsburgh
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Government :
vte :
Pennsylvania elected its members October 10, 1820.
| District | Incumbent | Incumbent | Incumbent | This race | This race |
| District | Member | Party | First elected | Results | Candidates |
| Pennsylvania 1 Plural district with 4 seats | Joseph Hemphill | Federalist | 1800 1802 (Lost) 1818 | Incumbent re-elected. | √ John Sergeant (Federalist) 24.8% √ Joseph Hemphill (Federalist) 15.1% √ William Milnor (Federalist) 14.8% √ Samuel Edwards (Federalist) 13.6% Thomas Forrest (Federalist) 10.5% Nicholas Biddle (Democratic-Republican) 10.5% Joseph Engle (Democratic-Republican) 9.9% Gideon Humphrey 0.8% |
| Pennsylvania 1 Plural district with 4 seats | Samuel Edwards | Federalist | 1818 | Incumbent re-elected. | √ John Sergeant (Federalist) 24.8% √ Joseph Hemphill (Federalist) 15.1% √ William Milnor (Federalist) 14.8% √ Samuel Edwards (Federalist) 13.6% Thomas Forrest (Federalist) 10.5% Nicholas Biddle (Democratic-Republican) 10.5% Joseph Engle (Democratic-Republican) 9.9% Gideon Humphrey 0.8% |
| Pennsylvania 1 Plural district with 4 seats | Thomas Forrest | Federalist | 1818 | Incumbent lost re-election. New member elected. Federalist hold. | √ John Sergeant (Federalist) 24.8% √ Joseph Hemphill (Federalist) 15.1% √ William Milnor (Federalist) 14.8% √ Samuel Edwards (Federalist) 13.6% Thomas Forrest (Federalist) 10.5% Nicholas Biddle (Democratic-Republican) 10.5% Joseph Engle (Democratic-Republican) 9.9% Gideon Humphrey 0.8% |
| Pennsylvania 1 Plural district with 4 seats | John Sergeant | Federalist | 1815 (Special) | Incumbent re-elected. | √ John Sergeant (Federalist) 24.8% √ Joseph Hemphill (Federalist) 15.1% √ William Milnor (Federalist) 14.8% √ Samuel Edwards (Federalist) 13.6% Thomas Forrest (Federalist) 10.5% Nicholas Biddle (Democratic-Republican) 10.5% Joseph Engle (Democratic-Republican) 9.9% Gideon Humphrey 0.8% |
| Pennsylvania 2 Plural district with 2 seats | William Darlington | Democratic-Republican | 1814 1816 (Lost) 1818 | Incumbent re-elected. | √ William Darlington (Democratic-Republican) 26.1% √ Samuel Gross (Democratic-Republican) 26.0% Charles Miner (Federalist) 24.1% John Henderson (Federalist) 23.8% |
| Pennsylvania 2 Plural district with 2 seats | Samuel Gross | Democratic-Republican | 1818 | Incumbent re-elected. | √ William Darlington (Democratic-Republican) 26.1% √ Samuel Gross (Democratic-Republican) 26.0% Charles Miner (Federalist) 24.1% John Henderson (Federalist) 23.8% |
| Pennsylvania 3 Plural district with 2 seats | James M. Wallace | Democratic-Republican | 1815 (Special) | Incumbent lost re-election. New member elected. Federalist gain. | √ James Buchanan (Federalist) 27.9% √ John Phillips (Federalist) 27.5% Jacob Hibshman (Democratic-Republican) 22.8% James M. Wallace (Democratic-Republican) 21.8% |
| Pennsylvania 3 Plural district with 2 seats | Jacob Hibshman | Democratic-Republican | 1818 | Incumbent lost re-election. New member elected. Federalist gain. | √ James Buchanan (Federalist) 27.9% √ John Phillips (Federalist) 27.5% Jacob Hibshman (Democratic-Republican) 22.8% James M. Wallace (Democratic-Republican) 21.8% |
| Pennsylvania 4 | Jacob Hostetter | Democratic-Republican | 1818 | Incumbent lost re-election. New member elected. Democratic-Republican hold. | √ James S. Mitchell (Democratic-Republican) 54.4% Jacob Hostetter (Federalist) 45.6% |
| Pennsylvania 5 Plural district with 2 seats | Andrew Boden | Democratic-Republican | 1816 | Incumbent retired. New member elected. Democratic-Republican hold. | √ James McSherry (Democratic-Republican) 27.2% √ James Duncan (Democratic-Republican) 26.4% James Wilson (Federalist) 23.1% Isaiah Graham (Federalist) 22.8% Robert K. Lowry (I) 0.6% |
| Pennsylvania 5 Plural district with 2 seats | 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. | √ James McSherry (Democratic-Republican) 27.2% √ James Duncan (Democratic-Republican) 26.4% James Wilson (Federalist) 23.1% Isaiah Graham (Federalist) 22.8% Robert K. Lowry (I) 0.6% |
| Pennsylvania 6 Plural district with 2 seats | Samuel Moore | Democratic-Republican | 1818 | Incumbent re-elected. | √ Samuel Moore (Democratic-Republican) 30.7% √ Thomas J. Rogers (Democratic-Republican) 28.6% Daniel W. Dingman (Federalist) 21.1% Matthais Morris (Federalist) 19.6% |
| Pennsylvania 6 Plural district with 2 seats | Thomas J. Rogers | Democratic-Republican | 1818 (Special) | Incumbent re-elected. | √ Samuel Moore (Democratic-Republican) 30.7% √ Thomas J. Rogers (Democratic-Republican) 28.6% Daniel W. Dingman (Federalist) 21.1% Matthais Morris (Federalist) 19.6% |
| 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. | √ Ludwig Worman (Federalist) 55.5% Gabriel Hiester (Democratic-Republican) 44.5% |
| Pennsylvania 8 | Robert Philson | Democratic-Republican | 1818 | Incumbent lost re-election. New member elected. Democratic-Republican hold. | √ John Tod (Democratic-Republican) 75.7% Robert Philson (Federalist) 24.3% |
| Pennsylvania 9 | William P. Maclay | Democratic-Republican | 1816 | Incumbent lost re-election. New member elected. Democratic-Republican hold. | √ John Brown (Democratic-Republican) 54.6% William P. Maclay (Democratic-Republican) 45.4% |
| Pennsylvania 10 Plural district with 2 seats | George Denison | Democratic-Republican | 1818 | Incumbent re-elected. | √ George Denison (Democratic-Republican) 34.0% √ William Cox Ellis (Federalist) 23.3% Abiel Fellows (Federalist) 16.1% Thomas Murray (Democratic-Republican) 15.7% Thomas Murray Jr. (Democratic-Republican) 11.0% |
| Pennsylvania 10 Plural district with 2 seats | 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. | √ George Denison (Democratic-Republican) 34.0% √ William Cox Ellis (Federalist) 23.3% Abiel Fellows (Federalist) 16.1% Thomas Murray (Democratic-Republican) 15.7% Thomas Murray Jr. (Democratic-Republican) 11.0% |
| Pennsylvania 11 | David Marchand | Democratic-Republican | 1816 | Incumbent retired. New member elected. Democratic-Republican hold. | √ George Plumer (Democratic-Republican) 54.7% Alexander W. Foster (Federalist) 45.3% |
| Pennsylvania 12 | Thomas Patterson | Democratic-Republican | 1816 | Incumbent re-elected. | √ Thomas Patterson (Democratic-Republican) 67.3% Thomas McGiffen (Federalist) 32.7% |
| Pennsylvania 13 | Christian Tarr | Democratic-Republican | 1816 | Incumbent lost re-election. New member elected. Democratic-Republican hold. | √ Andrew Stewart (Democratic-Republican) 48.3% Christian Tarr (Democratic-Republican) 40.1% Charles Porter (Federalist) 11.6% |
| Pennsylvania 14 | Henry Baldwin | Democratic-Republican | 1816 | Incumbent re-elected. | √ Henry Baldwin (Democratic-Republican) 63.8% William Marks (Federalist) 36.2% |
| Pennsylvania 15 | Robert Moore | Democratic-Republican | 1816 | Incumbent lost re-election. New member elected. Democratic-Republican hold. | √ Patrick Farrelly (Democratic-Republican) 53.7% Robert Moore (Federalist) 43.4% Beven Pearson 2.9% |