Pennsylvania's 10th congressional district is located in the south-central region of the state. It encompasses all of Dauphin County as well as parts of Cumberland County and York County. The district includes the cities of Harrisburg and York. Prior to 2019, the district was located in the northeastern part of the state. The Supreme Court of Pennsylvania redrew the district in 2018 after ruling the previous map unconstitutional due to gerrymandering. The court added State College to the old district's boundaries while removing some Democratic-leaning areas and redesignated it the twelfth district, and they reassigned the tenth district to an area around Harrisburg and York. The new tenth district is represented by Republican Scott Perry, who previously represented the old fourth district.[3]

Pennsylvania's 10th congressional district
From 2019 to 2023 From 2023 Interactive map of district boundaries
Representative	Scott Perry R–Dillsburg
Population (2021)	758,088[1]
Median household income	$72,620
Ethnicity	76.0% White 11.6% Black 8.4% Hispanic 3.8% Asian 0.2% Native American
Cook PVI	R+5[2]

The district was one of the 12 original districts created prior to the 4th Congress. In 2006, when it was still located in northeastern Pennsylvania, the 10th district experienced one of the greatest party shifts among all House seats that switched party control: in 2004, Republican Don Sherwood won with an 86% margin of victory over his nearest opponent and two years later, Democrat Chris Carney unseated Sherwood by a 53%–47% margin.[4] In 2008, Carney won reelection by 12 points but the district swung back in 2010, electing Republican Tom Marino. The district was mostly Republican in its political composition, an aspect of the district that was reflected especially well in presidential elections. In 2004, President George W. Bush won 60 percent of the vote in the district and in 2008, Senator John McCain beat Senator Barack Obama here by a margin of 54 percent to 45 percent. Nonetheless, Carney easily won reelection as a Democrat the same year McCain won the district. However, in the 2010 midterm elections, Marino unseated Carney by a 55%–45% margin. In 2016, local businessman and former mayor of Lewisburg, Mike Molesevich challenged Marino for the seat, but he fell to the Republican in November by more than two to one. In 2018, Marino won election to a redrawn 12th district; while he remained the congressman for the 10th district into January 2019, he moved within the new district's boundaries beforehand.

Demographics

According to the APM Research Lab's Voter Profile Tools[5] (featuring the U.S. Census Bureau's 2019 American Community Survey), the district contained about 559,000 potential voters (citizens, age 18+). Of these, 80% are White, 10% Black, and 6% Latino. Immigrants make up 5% of the district's potential voters. Median income among households (with one or more potential voter) in the district is about $67,300, while 9% of households live below the poverty line. As for the educational attainment of potential voters in the district, 9% of those 25 and older have not earned a high school diploma, while 30% hold a bachelor's or higher degree.

District boundaries 2003–2013

The Pennsylvania 10th was the third-largest congressional district in the state. The district encompassed the following counties and areas:[6][7]

• Bradford County
• Lackawanna County
  • excluding Old Forge, Moosic, Scranton, and Dunmore but including Clarks Summit
• Luzerne County
  • Back Mountain area, including Dallas, Shavertown, Trucksville, Kingston, Wyoming, and Swoyersville
• Lycoming County
  • Sullivan/Columbia/Montour County boundaries west to the West Branch of the Susquehanna River (except Montoursville), north to Cogan House
• Montour County
• Northumberland County
• Pike County
• Snyder County
• Sullivan County
• Susquehanna County
• Tioga County
  • Ward Township
• Union County
• Wayne County
• Wyoming County

District boundaries 2013–2019

On June 8, 2012, The Pennsylvania Legislative Reapportionment Commission adopted a revised final redistricting plan.[8] On May 8, 2013, The state Supreme Court unanimously approved the Legislative Reapportionment Commission's 2012 Revised Final Plan.[9] The resulting district encompassed the following areas:[10]

• Bradford County
• Juniata County
• Parts of Lackawanna County
  • Including: Abington Township, Benton Township, Ransom, Newton, South Abington, Clarks Summit, Clarks Green, Glenburn, West Abington, Dalton, La Plume, North Abington, Scott, Greenfield, Fell, Vandling, Jefferson, Olyphant, Madison, Covington, Clifton, Moscow, Elmhurst, Roaring Brook, parts of Carbondale, and parts of Archbald.
• Lycoming County
• Mifflin County
• Parts of Monroe County
  • Including: Barrett, East Stroudsburg, Jackson, Mount Pocono, Paradise, Pocono, Price, Stroudsburg, and parts of Stroud.
• Parts of Northumberland County
  • Including: Delaware, East Chillisquaque, West Chillisquaque, Watsontown, Lewis, Turbotville, Turbot, Milton, Point, Northumberland
• Parts of Perry County
  • Including: Toboyne, Jackson, Blain, Northeast Madison, Southwest Madison, Landisburg, Tyrone, Saville, Centre, New Bloomfield, Tuscarora, Juniata, Greenwood, Millerstown, Oliver, Newport, Miller, Howe, Liverpool Township, Liverpool, Buffalo, Watts, and New Buffalo.
• Pike County
• Snyder County
• Sullivan County
• Susquehanna County
• Majority of Tioga County
  • With the exception of Clymer Township, Chatham Township, Gaines Township, and the majority of Shippen Township
• Union County
• Wayne County

2016 election

Primary

Rep. Tom Marino declared his intent to run for his 4th term and was uncontested in the Republican primary. Originally, no Democratic candidates filed to run for office, upon this revelation, Mike Molesevich, an environmental contractor and former Lewisburg mayor, announced he would seek a write-in campaign to get on the general election ballot.[11][12] Write-in candidates need over 1,000 votes in the primary election to appear on the ballot in the 2016 general election.[13] Mike Molesevich succeeded in his effort, receiving 2425 votes, earning a spot on the general election ballot.[14] Jerry Kairnes of Lycoming County announced that he would seek to be on the November ballot as an Independent, but dropped out after Molesevich earned a spot on the ballot[15]

Recent elections

2006 election

2008 election

2010 election

2012 election

2014 election

2016 election

2018 election

2020 election

List of members representing the district

District created in 1795.

1795–1813: One seat

Cong ress	Years	Representative	Party	Electoral history
4th 5th	March 4, 1795 – March 3, 1799	David Bard	Democratic-Republican	Elected in 1794. Re-elected in 1796. Lost re-election.
6th 7th	March 4, 1799 – March 3, 1803	Henry Woods	Federalist	Elected in 1798. Re-elected in 1800. Redistricted to the 7th district and lost re-election.
8th	March 4, 1803 – October 15, 1804	William Hoge	Democratic-Republican	Redistricted from the 12th district and re-elected in 1802. Resigned.
	October 15, 1804 – November 27, 1804	Vacant
	November 27, 1804 – March 3, 1805	John Hoge	Democratic-Republican	Elected November 2, 1804 to finish his brother's term and seated November 27, 1804. Retired.
9th	March 4, 1805 – March 3, 1807	John Hamilton	Democratic-Republican	Elected in 1804. Lost re-election.
10th	March 4, 1807 – March 3, 1809	William Hoge	Democratic-Republican	Elected in 1806. Retired.
11th 12th	March 4, 1809 – March 3, 1813	Aaron Lyle	Democratic-Republican	Elected in 1808. Re-elected in 1810. Redistricted to the 12th district.

1813–1823: Two seats

1823–present: One seat

Cong ress	Years	Representative	Party	Electoral history
18th 19th	March 4, 1823 – March 3, 1825	James S. Mitchell	Democratic-Republican	Redistricted from the 4th district and re-elected in 1822. Re-elected in 1824. Retired.
	March 4, 1825 – March 3, 1827		Jacksonian
20th 21st 22nd	March 4, 1827 – March 3, 1833	Adam King	Jacksonian	Elected in 1826. Re-elected in 1828. Re-elected in 1830. Lost re-election.
23rd 24th	March 4, 1833 – March 3, 1837	William Clark	Anti-Masonic	Elected in 1832. Re-elected in 1834. Retired.
25th	March 4, 1837 – March 3, 1839	Luther Reily	Democratic	Elected in 1836. Retired.
26th 27th	March 4, 1839 – March 3, 1843	William Simonton	Whig	Elected in 1838. Re-elected in 1840. [data unknown/missing]
28th 29th 30th	March 4, 1843 – March 3, 1849	Richard Brodhead	Democratic	Elected in 1843. Re-elected in 1844. Re-elected in 1846. Retired.
31st 32nd	March 4, 1849 – March 3, 1853	Milo M. Dimmick	Democratic	Elected in 1848. Re-elected in 1850. Retired.
33rd	March 4, 1853 – March 3, 1855	Ner Middleswarth	Whig	Elected in 1852. Retired.
34th 35th	March 4, 1855 – March 3, 1857	John C. Kunkel	Opposition	Elected in 1854. Re-elected in 1856. Retired.
	March 4, 1857 – March 3, 1859		Republican
36th 37th	March 4, 1859 – March 3, 1863	John W. Killinger	Republican	Elected in 1858. Re-elected in 1860. Retired.
38th 39th	March 4, 1863 – March 3, 1867	Myer Strouse	Democratic	Elected in 1862. Re-elected in 1864. Retired.
40th 41st	March 4, 1867 – March 3, 1871	Henry L. Cake	Republican	Elected in 1866. Re-elected in 1868. Lost renomination.
42nd 43rd	March 4, 1871 – March 3, 1875	John W. Killinger	Republican	Elected in 1870. Re-elected in 1872. Retired.
44th	March 4, 1875 – March 3, 1877	William Mutchler	Democratic	Elected in 1874. Retired.
45th	March 4, 1877 – March 3, 1879	Samuel A. Bridges	Democratic	Elected in 1876. Retired.
46th	March 4, 1879 – March 3, 1881	Reuben K. Bachman	Democratic	Elected in 1878. Retired.
47th 48th	March 4, 1881 – March 3, 1885	William Mutchler	Democratic	Elected in 1880. Re-elected in 1882. Retired.
49th 50th	March 4, 1885 – March 3, 1889	William H. Sowden	Democratic	Elected in 1884. Re-elected in 1886. Retired.
51st 52nd 53rd 54th 55th 56th 57th	March 4, 1889 – March 16, 1901	Marriott Brosius	Republican	Elected in 1888. Re-elected in 1890. Re-elected in 1892. Re-elected in 1894. Re-elected in 1896. Re-elected in 1898. Re-elected in 1900. Died.
57th	March 16, 1901 – November 5, 1901	Vacant
	November 5, 1901 – March 3, 1903	Henry B. Cassel	Republican	Elected to finish Brosius's term. Redistricted to the 9th district.
58th	March 4, 1903 – February 10, 1904	George Howell	Democratic	Lost contested election.
	February 10, 1904 – March 3, 1905	William Connell	Republican	Won contested election. [data unknown/missing]
59th	March 4, 1905 – March 3, 1907	Thomas H. Dale	Republican	Elected in 1904. Lost re-election.
60th 61st	March 4, 1907 – March 3, 1911	Thomas D. Nicholls	Independent Democratic	Elected in 1906. Re-elected in 1908. Retired.
62nd 63rd 64th 65th	March 4, 1911 – March 3, 1919	John R. Farr	Republican	Elected in 1910. Re-elected in 1912. Re-elected in 1914. Re-elected in 1916. Lost re-election.
66th	March 4, 1919 – February 25, 1921	Patrick McLane	Democratic	Lost contested election.
	February 25, 1921 – March 3, 1921	John R. Farr	Republican	Won contested election. Lost renomination.
67th	March 4, 1921 – September 26, 1922	Charles R. Connell	Republican	Elected in 1920. Died.
	September 26, 1922 – March 3, 1923	Vacant
68th 69th 70th 71st	March 4, 1923 – December 5, 1929	William W. Griest	Republican	Redistricted from the 9th district and re-elected in 1922. Re-elected in 1924. Re-elected in 1926. Re-elected in 1928. Died.
71st	December 5, 1929 – January 28, 1930	Vacant
71st 72nd 73rd 74th 75th 76th 77th 78th	January 28, 1930 – January 3, 1945	J. Roland Kinzer	Republican	Elected to finish Griest's term. Re-elected in 1930. Re-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 9th district.
79th	January 3, 1945 – July 17, 1946	John W. Murphy	Democratic	Redistricted from the 11th district and re-elected in 1944. Resigned to become U.S. District Judge.
80th	November 5, 1946 – January 3, 1949	James P. Scoblick	Republican	Elected to complete Murphy's term. Elected in 1946. Lost renomination.
81st 82nd	January 3, 1949 – January 3, 1953	Harry P. O'Neill	Democratic	Elected in 1948. Re-elected in 1950. Lost renomination.
83rd 84th 85th	January 3, 1953 – January 3, 1959	Joseph L. Carrigg	Republican	Redistricted from the 14th district and re-elected in 1952. Re-elected in 1954. Re-elected in 1956. Lost renomination.
86th	January 3, 1959 – January 3, 1961	Stanley A. Prokop	Democratic	Elected in 1958. Lost renomination.
87th	January 3, 1961 – January 3, 1963	William Scranton	Republican	Elected in 1960. Elected Governor of Pennsylvania.
88th 89th 90th 91st 92nd 93rd 94th 95th 96th 97th 98th 99th 100th 101st 102nd 103rd 104th 105th	January 3, 1963 – January 3, 1999	Joseph M. McDade	Republican	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. Re-elected in 1978. Re-elected in 1980. Re-elected in 1982. Re-elected in 1984. Re-elected in 1986. Re-elected in 1988. Re-elected in 1990. Re-elected in 1992. Re-elected in 1994. Re-elected in 1996. Retired.
106th 107th 108th 109th	January 3, 1999 – January 3, 2007	Don Sherwood	Republican	Elected in 1998. Re-elected in 2000. Re-elected in 2002. Re-elected in 2004. Lost re-election.
110th 111th	January 3, 2007 – January 3, 2011	Chris Carney	Democratic	Elected in 2006. Re-elected in 2008. Lost re-election.
112th 113th 114th 115th	January 3, 2011 – January 3, 2019	Tom Marino	Republican	Elected in 2010. Re-elected in 2012. Re-elected in 2014. Re-elected in 2016. Redistricted to the 12th district.
116th 117th	January 3, 2019 – present	Scott Perry	Republican	Redistricted from the 4th district and re-elected in 2018. Re-elected in 2020. Re-elected in 2022.

See also

• List of United States congressional districts
• Pennsylvania's congressional districts

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

Notes

External links

• Congressional redistricting in Pennsylvania