California's 40th congressional district

U. S. House district for California

California's 40th congressional district is a congressional district in the U. S. state of California, encompassing Orange, San Bernardino, and Riverside counties. The district is currently represented by It was one of 18 districts that would have voted for Joe Biden in the 2020 presidential election had they existed in their current configuration while being won or held by a Republican in 2022. The district includes Yorba Linda, Anaheim Hills, Orange, Chino Hills, Tustin, Mission Viejo, Aliso Viejo, Rancho Santa Margarita, Laguna Hills, Laguna Woods, Villa Park, Lake Forest, the unincorporated communities of North Tustin and Coto de Caza, and parts of Brea and Corona.

Election results from statewide racesYearOfficeResults1990 Governor Wilson 63.6% – 32.0%1992 PresidentBush 39.9% – 35.2% SenatorHerschensohn 55.7% – 32.8% Senator (Special)Seymour 49.5% – 39.6%1994 Governor Wilson 66.6% – 27.5% Senator Huffington 60.4% – 29.0% 1996 President Dole 48.8% – 37.7% 1998 Governor Lungren 49.2% – 46.6% Senator Fong 53.8% – 40.9%2000 PresidentBush 56.0% – 39.3% SenatorCampbell 50.4% – 41.9% 2002 GovernorSimon 57.7% – 34.6%2003Recall align="right" Yes 73.8% – 26.2%Schwarzenegger 62.4% – 16.5%2004 PresidentBush 60.2% – 38.4% SenatorJones 50.9% – 43.8%2006 GovernorSchwarzenegger 69.0% – 26.0% SenatorMountjoy 50.2% – 44.5%2008 PresidentMcCain 51.1% – 46.6%2010 GovernorWhitman 55.8% – 38.0% SenatorFiorina 57.0% – 37.2%2012 PresidentObama 81.5% – 16.5% Senator Feinstein 81.2% – 18.8% 2014 Governor Brown 76.2% – 23.8%2016 PresidentClinton 82.2% – 12.8% Senator Sanchez 56.4% – 43.6%2018 Governor Newsom 80.5% – 19.5% Senator Feinstein 51.1% – 48.9%2020 PresidentBiden 77.1% – 20.6%2021Recall align="right" No 78.7% – 21.3% 2022 Governor Dahle 55.4 – 44.6% Senator Meuser 54.1 – 45.9%

Member Party Dates Congress(es) Electoral history Counties District created January 3, 1973 Bob Wilson Republican January 3, 1973 –January 3, 1975 Redistricted from the and re elected in 1972. Redistricted to the 1973–1975San Diego (San Diego City Northern half) Andrew J. Hinshaw Republican January 3, 1975 –January 3, 1977 Redistricted from the and re elected in 1974. Lost renomination.1975–1983Southern Orange, Northwestern San Diego Robert Badham Republican January 3, 1977 –January 3, 1989 Elected in 1976. Re elected in 1978. Re elected in 1980. Re elected in 1982. Re elected in 1984. Re elected in 1986. Retired.1983–1993Central Orange Christopher Cox Republican January 3, 1989 –January 3, 1993 Elected in 1988. Re elected in 1990. Redistricted to the Jerry Lewis Republican January 3, 1993 –January 3, 2003 Redistricted from the and re elected in 1992. Re elected in 1994. Re elected in 1996. Re elected in 1998. Re elected in 2000. Redistricted to the 1993–2003Inyo, San Bernardino Ed Royce Republican January 3, 2003 –January 3, 2013 Redistricted from the and re elected in 2002. Re elected in 2004. Re elected in 2006. Re elected in 2008. Re elected in 2010. Redistricted to the 2003–2013Northern Orange Lucille Roybal Allard Democratic January 3, 2013 –January 3, 2023 Redistricted from the and re elected in 2012. Re elected in 2014. Re elected in 2016. Re elected in 2018. Re elected in 2020. Redistricted to the and retired. 2013–2023Los Angeles (Downey and East Los Angeles) Young Kim Republican January 3, 2023 –present Redistricted from the and re elected in 2022. 2023–present:Parts of Orange, Riverside and San Bernardino counties(Yorba Linda, Anaheim Hills, Orange, Chino Hills, Tustin, Mission Viejo, Aliso Viejo, Rancho Santa Margarita, Laguna Hills, Laguna Woods, Villa Park, Lake Forest, the unincorporated communities of North Tustin and Coto de Caza, and parts of Brea and Corona.)

The seat was originally one of five reapportioned to California after the 1970 U. S. census, but its boundaries have shifted radically through successive redistricting efforts. At various times it has included parts of Orange and San Diego counties, and from 1993 to 2003 it covered eastern San Bernardino and Inyo counties. From 2003 to 2013 the district was based in Orange County. The district covered the cities in the northern part of the county, including Fullerton, Orange, Cypress, Stanton, and Buena Park.