Texas's 20th congressional district
Interactive map of district boundaries since January 3, 2023
Representative	Joaquin Castro D–San Antonio
Distribution	99.62% urban[1] 0.38% rural
Population (2024)	766,778[2]
Median household income	$62,044[2]
Ethnicity	70.5%Hispanic 17.6%White 5.6%Black 3.4%Asian 2.2%Two or more races 0.7% other
Cook PVI	D+12[3]

Texas's 20th congressional district of theUnited States House of Representatives includes the western half ofSan Antonio andBexar County inTexas. The district is heavilyLatino/Hispanic (predominantly of Mexican descent), as is the surrounding area.Charlie Gonzalez, who represented the district from 1999 to 2013 after succeeding his father,Henry B. González, did not seek re-election in the2012 United States House of Representatives elections.State representativeJoaquin Castro, the Democratic nominee to replace Gonzalez, defeated David Rosa, the Republican nominee, in the race for Texas's 20th district on November 6, 2012. His term began on January 3, 2013.

The 20th district is heavily Democratic. It has never sent a Republican to Congress, and has not supported a Republican for president since 1956. In 1972, this was one of two congressional districts in the state of Texas to vote forGeorge McGovern (the other being the 18th district in Houston). In 1984, this district gaveWalter Mondale 59% of its vote.

For the118th and successive Congresses (based on redistricting following the2020 census), the district contains all or portions of the following counties and communities:^[6]

BexarCounty(3)

Balcones Heights,Leon Valley,San Antonio (part; also21st,23rd,28th,35th; shared withComal andMedina counties)

Member	Party	Years	Cong ress	Electoral history
District established January 3, 1935
Maury Maverick (San Antonio)	Democratic	January 3, 1935 – January 3, 1939	74th 75th	Elected in 1934. Re-elected in 1936. Lost renomination.
Paul J. Kilday (San Antonio)	Democratic	January 3, 1939 – September 24, 1961	76th 77th 78th 79th 80th 81st 82nd 83rd 84th 85th 86th 87th	Elected in 1938. Re-elected in 1940. Re-elected in 1942. Re-elected in 1944. Re-elected in 1946. Re-elected in 1948. Re-elected in 1950. Re-elected in 1952. Re-elected in 1954. Re-elected in 1956. Re-elected in 1958. Resigned to become Judge of theU.S. Court of Appeals for the Armed Forces.
Vacant		September 24, 1961 – November 4, 1961	87th
Henry B. González (San Antonio)	Democratic	November 4, 1961 – January 3, 1999	87th 88th 89th 90th 91st 92nd 93rd 94th 95th 96th 97th 98th 99th 100th 101st 102nd 103rd 104th 105th	Elected to finish Kilday's term. 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. 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.
Charlie Gonzalez (San Antonio)	Democratic	January 3, 1999 – January 3, 2013	106th 107th 108th 109th 110th 111th 112th	Elected in 1998. Re-elected in 2000. Re-elected in 2002. Re-elected in 2004. Re-elected in 2006. Re-elected in 2008. Re-elected in 2010. Retired.
Joaquin Castro (San Antonio)	Democratic	January 3, 2013 – present	113th 114th 115th 116th 117th 118th 119th	Elected in 2012. Re-elected in 2014. Re-elected in 2016. Re-elected in 2018. Re-elected in 2020. Re-elected in 2022. Re-elected in 2024.

Democratic challenger Joaquin Castro defeated Republican challenger David Rosa in the race for Texas's 20th district on November 6, 2012.^[7] Prior to being elected, Castro served as a state representative of the Texas House from the state's 125th District.

Democratic incumbent Joaquin Castro defeated Libertarian challenger Jeffrey Blunt in the race for Texas's 20th district on November 4, 2014.^[8]

Democratic incumbent Joaquin Castro defeated Libertarian challenger Jeffrey Blunt and Green Party challenger Paul Pipkin in the race for Texas's 20th district on November 8, 2016.

Democratic incumbent Joaquin Castro defeated Libertarian challenger Jeffrey Blunt in the race for Texas's 20th district on November 6, 2018

• List of United States congressional districts

• 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–presentArchived April 23, 2010, at theWayback Machine

29°28′28″N98°37′21″W / 29.47444°N 98.62250°W /29.47444; -98.62250

• Congressional districts of Texas

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