Pennsylvania's twenty-first congressional district was a congressional district in northwestern Pennsylvania. It was created following the 1830 census and was disbanded after the 2000 census removed two representatives from Pennsylvania.

List of members representing the district

Representatives	Party	Years	Cong ress	Electoral history
District established March 4, 1833
Thomas M. T. McKennan (Washington)	Anti-Masonic	March 4, 1833 – March 3, 1839	23rd 24th 25th	Redistricted from the 15th district and re-elected in 1832. Re-elected in 1834. Re-elected in 1836. [data missing]
Isaac Leet (Washington)	Democratic	March 4, 1839 – March 3, 1841	26th	Elected in 1838. [data missing]
Joseph Lawrence (Washington)	Whig	March 4, 1841 – April 17, 1842	27th	Elected in 1840. Died.
Vacant		April 17, 1842 – May 30, 1842
Thomas M. T. McKennan (Washington)	Whig	May 30, 1842 – March 3, 1843		Elected to finish Lawrence's term. [data missing]
William Wilkins (Pittsburgh)	Democratic	March 4, 1843 – February 14, 1844	28th	Elected in 1843. Resigned to become U.S. Minister to Russia
Vacant		February 14, 1844 – March 26, 1844
Cornelius Darragh (Pittsburgh)	Whig	March 26, 1844 – March 3, 1847	28th 29th	Elected to finish Wilkins's term. Re-elected in 1844. [data missing]
Moses Hampton (Pittsburgh)	Whig	March 4, 1847 – March 3, 1851	30th 31st	Elected in 1846. Re-elected in 1848. [data missing]
Thomas M. Howe (Allegheny City)	Whig	March 4, 1851 – March 3, 1853	32nd	Elected in 1850. Redistricted to the 22nd district.
David Ritchie (Pittsburgh)	Whig	March 4, 1853 – March 3, 1855	33rd 34th 35th	Elected in 1852. Re-elected in 1854. Re-elected in 1856. [data missing]
	Opposition	March 4, 1855 – March 3, 1857
	Republican	March 4, 1857 – March 3, 1859
James K. Moorhead (Pittsburgh)	Republican	March 4, 1859 – March 3, 1863	36th 37th	Elected in 1858. Re-elected in 1860. Redistricted to the 22nd district.
John L. Dawson (Brownsville)	Democratic	March 4, 1863 – March 3, 1867	38th 39th	Elected in 1862. Re-elected in 1864. [data missing]
John Covode (Lockport)	Republican	March 4, 1867 – March 3, 1869	40th	Elected in 1866. Lost election contest.
Vacant		March 4, 1869 – February 9, 1870	41st
John Covode (Lockport)	Republican	February 9, 1870 – January 11, 1871		Won election contest. Died.
Vacant		January 11, 1871 – March 3, 1871	42nd
Henry D. Foster (Greensburg)	Democratic	March 4, 1871 – March 3, 1873		Elected in 1870. [data missing]
Alexander W. Taylor (Indiana)	Republican	March 4, 1873 – March 3, 1875	43rd	Elected in 1872. [data missing]
Jacob Turney (Greensburg)	Democratic	March 4, 1875 – March 3, 1879	44th 45th	Elected in 1874. Re-elected in 1876. [data missing]
Morgan R. Wise (Waynesburg)	Democratic	March 4, 1879 – March 3, 1883	46th 47th	Elected in 1878. Re-elected in 1880. [data missing]
Charles E. Boyle (Uniontown)	Democratic	March 4, 1883 – March 3, 1887	48th 49th	Elected in 1882. Re-elected in 1884. [data missing]
Welty McCullogh (Greensburg)	Republican	March 4, 1887 – March 3, 1889	50th	Elected in 1886. [data missing]
Samuel A. Craig (Brookville)	Republican	March 4, 1889 – March 3, 1891	51st	Elected in 1888. [data missing]
George F. Huff (Greensburg)	Republican	March 4, 1891 – March 3, 1893	52nd	Elected in 1890. [data missing]
Daniel B. Heiner (Kittanning)	Republican	March 4, 1893 – March 3, 1897	53rd 54th	Elected in 1892. Re-elected in 1894. [data missing]
Edward E. Robbins (Greensburg)	Republican	March 4, 1897 – March 3, 1899	55th	Elected in 1896. [data missing]
Summers M. Jack (Indiana)	Republican	March 4, 1899 – March 3, 1903	56th 57th	Elected in 1898. Re-elected in 1900. [data missing]
Solomon R. Dresser (Bradford)	Republican	March 4, 1903 – March 3, 1907	58th 59th	Elected in 1902. Re-elected in 1904. [data missing]
Charles F. Barclay (Sinnemahoning)	Republican	March 4, 1907 – March 3, 1911	60th 61st	Elected in 1906. Re-elected in 1908. [data missing]
Charles E. Patton (Curwensville)	Republican	March 4, 1911 – March 3, 1915	62nd 63rd	Elected in 1910. Re-elected in 1912. [data missing]
Charles H. Rowland (Philispburg)	Republican	March 4, 1915 – March 3, 1919	64th 65th	Elected in 1914. Re-elected in 1916. [data missing]
Evan J. Jones (Bradford)	Republican	March 4, 1919 – March 3, 1923	66th 67th	Elected in 1918. Re-elected in 1920. [data missing]
Jacob B. Kurtz (Altoona)	Republican	March 4, 1923 – March 3, 1933	68th 69th 70th 71st 72nd	Elected in 1922. Re-elected in 1924. Re-elected in 1926. Re-elected in 1928. Re-elected in 1930. Redistricted to the 23rd district.
Francis E. Walter (Easton)	Democratic	March 4, 1933 – January 3, 1945	73rd 74th 75th 76th 77th 78th	Elected in 1932. Re-elected in 1934. Re-elected in 1936. Re-elected in 1938. Re-elected in 1940. Re-elected in 1942. Redistricted to the 20th district.
Chester H. Gross (York)	Republican	January 3, 1945 – January 3, 1949	79th 80th	Redistricted from the 22nd district and re-elected in 1944. Re-elected in 1946. [data missing]
James F. Lind (York)	Democratic	January 3, 1949 – January 3, 1953	81st 82nd	Elected in 1948. Re-elected in 1950. [data missing]
Augustine B. Kelley (Greensburg)	Democratic	January 3, 1953 – November 20, 1957	83rd 84th 85th	Redistricted from the 27th district and re-elected in 1952. Re-elected in 1954. Re-elected in 1956. Died.
Vacant		November 20, 1957 – January 21, 1958	85th
John H. Dent (Ligonier)	Democratic	January 21, 1958 – January 3, 1979	85th 86th 87th 88th 89th 90th 91st 92nd 93rd 94th 95th	Elected to finish Kelley's term. Re-elected in 1958. Re-elected in 1960. Re-elected in 1962. Re-elected in 1964. Re-elected in 1966. Re-elected in 1968. Re-elected in 1970. Re-elected in 1972. Re-elected in 1974. Re-elected in 1976. [data missing]
Donald A. Bailey (Greensburg)	Democratic	January 3, 1979 – January 3, 1983	96th 97th	Elected in 1978. Re-elected in 1980. [data missing]
Tom Ridge (Erie)	Republican	January 3, 1983 – January 3, 1995	98th 99th 100th 101st 102nd 103rd	Elected in 1982. Re-elected in 1984. Re-elected in 1986. Re-elected in 1988. Re-elected in 1990. Re-elected in 1992. Retired to run for Governor of Pennsylvania
Phil English (Erie)	Republican	January 3, 1995 – January 3, 2003	104th 105th 106th 107th	Elected in 1994. Re-elected in 1996. Re-elected in 1998. Re-elected in 2000. Redistricted to the 3rd district.
District dissolved January 3, 2003

Recent election history

References

• Martis, Kenneth C. (1989). The Historical Atlas of Political Parties in the United States Congress. New York: Macmillan Publishing Company.
• Martis, Kenneth C. (1982). The Historical Atlas of United States Congressional Districts. New York: Macmillan Publishing Company.
• Congressional Biographical Directory of the United States 1774–present
• "Election Statistics". Office of the Clerk of the House of Representatives. Retrieved August 8, 2007.