Pennsylvania 's 18th congressional district - wikipedia Pennsylvania 's 18th congressional district Pennsylvania 's 18th congressional district Current map until January 3, 2019 Current Representative Conor Lamb ( D -- Mt. Lebanon ) Distribution 84.05 % urban 15.95 % rural Population ( 2000 ) 709,728 Median income 44,938 Ethnicity 95.8 % White 2.0 % Black 1.3 % Asian 0.6 % Hispanic 0.1 % Native American 0.1 % other Cook PVI R + 11 ( until January 3, 2019 ) D + 13 ( from January 3, 2019 ) The District 's boundaries in the 2018 elections that will be effective January 3, 2019 Pennsylvania 's 18th congressional district includes parts of Greene, Washington, Allegheny, and Westmoreland counties. The district is represented by Conor Lamb, who was elected March 13, 2018. The district is concentrated in the southern suburbs of Pittsburgh. It is predominantly white, although it contains a diverse range of suburbs. It is drawn in such a way that in some locations, neighborhoods and even streets are split between the 18th and the neighboring 12th and 14th districts. In parts of the eastern portion of the district, one side of the street is in the 12th while the other side is in the 18th. In the west, one side of the street is in the 14th while the other side is in the 18th. Although there are 35,000 more Democrats in the district than Republicans, the district has trended increasingly Republican since the mid-1990s ; most of the district 's state legislators are Republicans. The district is home to many large coal mines and the energy industry is an important employer. The western part of the district contains some rural regions of Washington County, as well as the very wealthy suburbs in the northern part of that county, which tends to be more Republican than the part contained in the neighboring 9th District. The district also contains many of Allegheny County 's southern suburbs of Pittsburgh, which range from traditionally wealthy areas such as Mount Lebanon and Upper St. Clair to middle - class communities such as Bethel Park and Scott Township and working - class labor towns such as Elizabeth. The district skews older and has the second - oldest electorate in the state. The district winds along the eastern suburbs at the edge of Allegheny County, including most of the large suburban commercial center of Monroeville, and in western Westmoreland County. Central Westmoreland County, including the city of Greensburg, is also part of the district. It also contains the rural foothills of the county at the district 's eastern end. Westmoreland County has become a major Republican stronghold. The Supreme Court of Pennsylvania ruled that the district map violated the state constitution and redrew it in February 2018. The 18th and 14th districts will swap names and have their boundaries adjusted for the 2018 elections ( after March 's special election ) and thereafter. Historically, the current district covers much of the area that was the center of the Whiskey Rebellion of the 1790s. Contents 1 List of representatives 2 See also 3 Notes 4 References 5 External links List of representatives Representatives Party Years Electoral history District map Patrick Farrelly Jacksonian Republican March 4, 1823 -- March 3, 1825 Redistricted from the 15th district and re-elected in 1822. Re-elected in 1824. Died. Jacksonian March 4, 1825 -- January 12, 1826 ( Data unknown / missing. ) Vacant January 12, 1826 -- March 14, 1826 ( Data unknown / missing. ) Thomas H. Sill Adams March 14, 1826 -- March 3, 1827 Elected to finish Farrelly 's term. ( Data unknown / missing. ) ( Data unknown / missing. ) Stephen Barlow Jacksonian March 4, 1827 -- March 3, 1829 Elected in 1826. Lost re-election. ( Data unknown / missing. ) Thomas H. Sill Anti-Jacksonian March 4, 1829 -- March 3, 1831 Elected in 1828. Retired. ( Data unknown / missing. ) John Banks Anti-Masonic Party March 4, 1831 -- March 3, 1833 Elected in 1830. Redistricted to the 24th district. ( Data unknown / missing. ) George Burd Anti-Jacksonian March 4, 1833 -- March 3, 1835 Redistricted from the 13th district and re-elected in 1832. ( Data unknown / missing. ) Job Mann Jacksonian March 4, 1835 -- March 3, 1837 Elected in 1834. Lost re-election. ( Data unknown / missing. ) Charles Ogle Anti-Masonic Party March 4, 1837 -- March 3, 1841 Elected in 1836. Re-elected in 1838. Elected in 1840. Died. Whig March 4, 1841 -- May 10, 1841 ( Data unknown / missing. ) Vacant May 10, 1841 -- June 28, 1841 ( Data unknown / missing. ) Henry Black Whig June 28, 1841 -- November 28, 1841 Elected to finish Ogle 's term. Died. ( Data unknown / missing. ) Vacant November 28, 1841 -- December 21, 1841 ( Data unknown / missing. ) James M. Russell Whig December 21, 1841 -- March 3, 1843 Elected to finish Black 's term. Retired. ( Data unknown / missing. ) Andrew Stewart Whig March 4, 1843 -- March 3, 1849 First elected in 1842. Re-elected in 1844. Re-elected in 1846. Retired. ( Data unknown / missing. ) Andrew J. Ogle Whig March 4, 1849 -- March 3, 1851 Elected in 1848. Lost re-election. ( Data unknown / missing. ) John L. Dawson Democratic March 4, 1851 -- March 3, 1853 Elected in 1850. Redistricted to the 20th district. ( Data unknown / missing. ) John McCulloch Whig March 4, 1853 -- March 3, 1855 Elected in 1852. Retired. ( Data unknown / missing. ) John R. Edie Opposition March 4, 1855 -- March 3, 1857 First elected in 1854. Re-elected in 1856. Retired. Republican March 4, 1857 -- March 3, 1859 ( Data unknown / missing. ) Samuel S. Blair Republican March 4, 1859 -- March 3, 1863 First elected in 1858. Re-elected in 1860. Lost re-election. ( Data unknown / missing. ) James T. Hale Independent Republican March 4, 1863 -- March 3, 1865 Redistricted from the 15th district and re-elected in 1862. ( Data unknown / missing. ) ( Data unknown / missing. ) Stephen F. Wilson Republican March 4, 1865 -- March 3, 1869 First elected in 1864. Re-elected in 1866. Resigned to become judge of the fourth judicial district of Pennsylvania. ( Data unknown / missing. ) William H. Armstrong Republican March 4, 1869 -- March 3, 1871 Elected in 1868. Lost re-election. ( Data unknown / missing. ) Henry Sherwood Democratic March 4, 1871 -- March 3, 1873 Elected in 1870. Lost re-election. ( Data unknown / missing. ) Sobieski Ross Republican March 4, 1873 -- March 3, 1875 Elected in 1872. Redistricted to the 16th district. ( Data unknown / missing. ) William Stenger Democratic March 4, 1875 -- March 3, 1879 First elected in 1874. Re-elected in 1876. Lost re-election. ( Data unknown / missing. ) Horatio G. Fisher Republican March 4, 1879 -- March 3, 1883 First elected in 1878. Re-elected in 1880. Retired. ( Data unknown / missing. ) Louis E. Atkinson Republican March 4, 1883 -- March 3, 1893 First elected in 1882. Re-elected in 1884. Re-elected in 186. Re-elected in 1888. Re-elected in 1890. Withdrew from election. ( Data unknown / missing. ) Thaddeus M. Mahon Republican March 4, 1893 -- March 3, 1903 First elected in 1892. Re-elected in 1894. Re-elected in 1896. Re-elected in 1898. Re-elected in 1900. Redistricted to the 17th district. ( Data unknown / missing. ) Marlin E. Olmsted Republican March 4, 1903 -- March 3, 1913 Redistricted from the 14th district and re-elected in 1902. Re-elected in 1904. Re-elected in 1906. Re-elected in 1908. Re-elected in 1910. Retired. ( Data unknown / missing. ) Aaron S. Kreider Republican March 4, 1913 -- March 3, 1923 First elected in 1912. Re-elected in 1914. Re-elected in 1916. Re-elected in 1918. Re-elected in 1920. Lost re-election. ( Data unknown / missing. ) Edward M. Beers Republican March 4, 1923 -- April 21, 1932 First elected in 1922. Re-elected in 1924. Re-elected in 1926. Re-elected in 1928. Re-elected in 1930. Died. ( Data unknown / missing. ) Vacant April 11, 1932 -- November 8, 1932 ( Data unknown / missing. ) Joseph F. Biddle Republican November 8, 1932 -- March 3, 1933 Elected to finish Beers 's term. Retired. ( Data unknown / missing. ) Benjamin K. Focht Republican March 4, 1933 -- March 27, 1937 First elected in 1932. Re-elected in 1934. Re-elected in 1936. Died. ( Data unknown / missing. ) Vacant March 27, 1937 -- May 11, 1937 ( Data unknown / missing. ) Richard M. Simpson Republican May 11, 1937 -- January 3, 1945 First elected to finish Focht 's term. Re-elected in 1938. Re-elected in 1940. Re-elected in 1942. Redistricted to the 17th district. ( Data unknown / missing. ) John C. Kunkel Republican January 3, 1945 -- January 3, 1951 Redistricted from the 19th district and re-elected in 1944. Re-elected in 1946. Re-elected in 1948. ( Data unknown / missing. ) Walter M. Mumma Republican January 3, 1951 -- January 3, 1953 Elected in 1950. Redistricted to the 16th district. ( Data unknown / missing. ) Richard M. Simpson Republican January 3, 1953 -- January 7, 1960 Redistricted from the 17th district and re-elected in 1952. Re-elected in 1954. Re-elected in 1956. Re-elected in 1958. Died. ( Data unknown / missing. ) Vacant January 7, 1960 -- April 26, 1960 ( Data unknown / missing. ) Douglas H. Elliot Republican April 26, 1960 -- June 19, 1960 Elected to finish Simpson 's term. Suicide. ( Data unknown / missing. ) Vacant June 19, 1960 -- November 8, 1960 ( Data unknown / missing. ) J. Irving Whalley Republican November 8, 1960 -- January 3, 1963 First elected to finish Elliot 's term. Also elected to the next term in 1960. Redistricted to the 12th district. ( Data unknown / missing. ) Robert J. Corbett Republican January 3, 1963 -- April 25, 1971 Redistricted from the 29th district and re-elected in 1962. Re-elected in 1964. Re-elected in 1966. Re-elected in 1968. Re-elected in 1970. Died. ( Data unknown / missing. ) Vacant April 25, 1971 -- November 2, 1971 ( Data unknown / missing. ) H. John Heinz III Republican November 2, 1971 -- January 3, 1977 First elected to finish Corbett 's term. Re-elected in 1972. Re-elected in 1974. Retired to run for U.S. Senate. ( Data unknown / missing. ) Doug Walgren Democratic January 3, 1977 -- January 3, 1991 First 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. Lost re-election. ( Data unknown / missing. ) Rick Santorum Republican January 3, 1991 -- January 3, 1995 First elected in 1990. Re-elected in 1992. Retired to run for U.S. Senate ( Data unknown / missing. ) Michael F. Doyle Democratic January 3, 1995 -- January 3, 2003 First elected in 1994. Re-elected in 1996. Re-elected in 1998. Re-elected in 2000. Redistricted to the 14th district. ( Data unknown / missing. ) Tim Murphy Republican January 3, 2003 -- October 21, 2017 First elected in 2002. Re-elected in 2004. Re-elected in 2006. Re-elected in 2008. Re-elected in 2010. Re-elected in 2012. Re-elected in 2014. Re-elected in 2016. Resigned. ( Data unknown / missing. ) 2005 -- 2013 2013 -- 2019 Vacant October 21, 2017 -- March 13, 2018 Conor Lamb Democratic March 13, 2018 -- Present Elected to finish Murphy 's term. TBD TBD From January 3, 2019 To be determined in the 2018 election. 2019 -- 2023 See also List of United States congressional districts Pennsylvania 's congressional districts United States portal Pennsylvania portal Pittsburgh portal Notes Jump up ^ Bureau, Center for New Media & Promotion ( CNMP ), US Census. `` My Congressional District ''. www.census.gov. Jump up ^ `` Introducing the 2017 Cook Political Report Partisan Voter Index ''. Jump up ^ `` New Pennsylvania Map Is a Major Boost for Democrats ''. The Cook Political Report. February 20, 2017. Retrieved February 21, 2017. Jump up ^ Mayo, Bob ( 2018 - 03 - 27 ). `` Conor Lamb, midway between special election win and oath of office, prepares to join Congress ''. WTAE. Retrieved 2018 - 04 - 06. The congressman - elect believes his swearing - in will come the week of April 9, when Congress comes back from recess. Jump up ^ `` Home ''. www.dos.pa.gov. Jump up ^ `` Lamb, Saccone both hope for blue - collar support in special congressional election ''. Pittsburgh Post Gazette. December 22, 2017. Retrieved January 7, 2018. Jump up ^ `` Pennsylvania Supreme Court strikes down state 's congressional districts ''. CBS News. 2018 CBS Interactive Inc. CBS News. January 24, 2018. Retrieved 24 January 2018. Jump up ^ Cohn, Nate ; Bloch, Matthew ; Quealy, Kevin ( February 19, 2018 ). `` The New Pennsylvania House Districts Are In. We Review the Mapmakers ' Choices ''. The Upshot. The New York Times. Retrieved February 20, 2018. 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 ''. External links Congressional redistricting in Pennsylvania Pennsylvania 's congressional districts All districts At - large 1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th 12th 13th 14th 15th 16th 17th 18th 19th 20th 21st 22nd 23rd 24th 25th 26th 27th 28th 29th 30th 31st 32nd 33rd 34th 35th 36th The 19th -- 36th and At - large districts are obsolete See also Pennsylvania 's past and present Representatives, Senators, and Delegations Recent U.S. House elections in Pennsylvania : 2006, 2008, 2010, 2012, 2014, 2016, 2018 All U.S. districts Apportionment Redistricting in Pennsylvania Gerrymandering Coordinates : 40 ° 10 ′ 14 '' N 80 ° 01 ′ 39 '' W ﻿ / ﻿ 40.17056 ° N 80.02750 ° W ﻿ / 40.17056 ; - 80.02750 Retrieved from `` https://en.wikipedia.org/w/index.php?title=Pennsylvania%27s_18th_congressional_district&oldid=843122073 '' Categories : Congressional districts of Pennsylvania Constituencies established in 1823 1823 establishments in Pennsylvania Rick Santorum Hidden categories : Use mdy dates from November 2013 Data missing Coordinates on Wikidata Talk Contents About Wikipedia Deutsch Español فارسی Edit links This page was last edited on 27 May 2018, at 01 : 16. 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Question: who is included in the 18th congressional district
Answer: parts of Greene, Washington, Allegheny, and Westmoreland counties