California's 38th congressional district is a congressional district in the U.S. state of California based in suburban eastern Los Angeles County and Orange County, California. The district is currently represented by .
The district covers several cities in the San Gabriel Valley and the Gateway Cities region of Los Angeles including the cities of: Diamond Bar, Industry, La Habra Heights, La Mirada, Montebello, Norwalk, Pico Rivera, Santa Fe Springs, Walnut, and Whittier.
As well the unincorporated communities of: Rowland Heights, Hacienda Heights, Los Nietos, East Whittier, North Whittier, and South Whittier.
A small portion of Pomona and the Orange County city of La Habra are also included in the district.
Most of the cities have a Hispanic majority, primarily Mexican, while Diamond Bar, Hacienda Heights, Industry, Rowland Heights and Walnut have an Asian-American majority, primarily Chinese. La Mirada also has a significant Korean American community.
Recent election results from statewide races 2023–2027 boundaries Year Office Results2008 PresidentObama 62% - 38%2010 GovernorBrown 56% - 39% Lt. GovernorNewsom 50% - 37% Secretary of StateBowen 54% - 36% Attorney GeneralCooley 46% - 45% TreasurerLockyer 59% - 34% ControllerChiang 55% - 35%2012 PresidentObama 64% - 36%2014 GovernorBrown 58% - 42%2016 PresidentClinton 65% - 29%2018 GovernorNewsom 63% - 37% Attorney GeneralBecerra 66% - 34%2020 PresidentBiden 64% - 34%2022 Senate (Reg.)Padilla 60% - 40% GovernorNewsom 58% - 42% Lt. GovernorKounalakis 58% - 42% Secretary of StateWeber 58% - 42% Attorney GeneralBonta 57% - 43% TreasurerMa 57% - 43% ControllerCohen 54% - 46%2024 PresidentHarris 56% - 40% Senate (Reg.)Schiff 57% - 43%
2027–2033 boundaries Year Office Results2008 PresidentObama 62% - 38%2010 GovernorBrown 56% - 39% Lt. GovernorNewsom 50% - 37% Secretary of StateBowen 54% - 36% Attorney GeneralHarris 46% - 45% TreasurerLockyer 59% - 34% ControllerChiang 55% - 35%2012 PresidentObama 64% - 36%2014 GovernorBrown 58% - 42%2016 PresidentClinton 65% - 29%2018 GovernorNewsom 63% - 37% Attorney GeneralBecerra 66% - 34%2020 PresidentBiden 64% - 34%2022 Senate (Reg.)Padilla 60% - 40% GovernorNewsom 58% - 42% Lt. GovernorKounalakis 58% - 42% Secretary of StateWeber 58% - 42% Attorney GeneralBonta 57% - 43% TreasurerMa 57% - 43% ControllerCohen 54% - 46%2024 PresidentHarris 56% - 40% Senate (Reg.)Schiff 57% - 43%
Composition County Code County Seat Population 37 Los Angeles Los Angeles 9,663,345 59 Orange Santa Ana 3,135,755 Under the 2020 redistricting, California's 38th congressional district is located in Southern California, taking up part of Southeast Los Angeles County and the city of La Habra in Orange County. The area in Los Angeles County includes part of the cities of Downey and Pomona; part of the census-designated place Avocado Heights; the cities of Whittier, Montebello, Norwalk, Pico Rivera, Diamond Bar, La Mirada, Walnut, Santa Fe Springs, La Habra Heights, and Industry; and the census-designated places Hacienda Heights, East Whittier, South Whittier, West Whittier-Los Nietos, Rose Hills, and Rowland Heights.
Los Angeles County is split between this district, the 28th district, the 31st district, the 35th district, the 35th district, the 42nd district, and the 45th district. The 38th, 28th, 31st, and 35th are partitioned by E Pomona Blvd, Potrero Grande Dr, Arroyo Dr, Hill Dr, Montebello Blvd, N San Gabriel Blvd, Walnut Grove Ave, Whittier Narrows Recreation Area, N Lexington-Gallatin Rd, N Durfree Ave, E Thienes Ave, E Rush St, N Burkett Rd, Cunningham Dr, Eaglemont Dr, Oakman Dr, Arciero Dr, Grossmont Dr, Workman Mill Rd, Bunbury Dr, Fontenoy Ave, Ankerton, Whittier Woods Circle, Union Pacific Railroad, San Gabriel Freeway, N Peck Rd, Mission Mill Rd, Rose Hills Rd, Wildwood Dr, Clark Ave, San Jose Creek, Turnbull Canyon Rd, E Gale Ave, Pomona Freeway, Colima Rd, E Walnut Dr N, Nogales St, E Walnut Dr S, Fairway Dr, E Valley Blvd, Calle Baja, La Puente Rd, S Sentous Ave, N Nogales St, Amar Rd, Walnut City Parkland, San Bernardino Freeway, Fairplex Dr, Via Verde, Puddingstone Reservoir, McKinley Ave, N Whittle Ave, Arrow Highway, Fulton Rd, and Foothill Blvd.
The 38th, 34th and 42nd are partitioned by Simmons Ave, W Beverly Blvd, Via Corona St, Repetto Ave, Allston St, W Northside Dr, Yates Ave, E Acco St, 6866 E Washington Blvd-2808 Vail Ave, S 14th St, AT & SF Railway, Church Rd, Telegraph Rd, Rio Hondo River, Veterans Memorial Park, Suva St, Guatemala Ave, Shady Oak Dr, Coolgrove Dr, Gallatin Rd, Samoline Ave, Paramount Blvd, Arrington Ave, Suva St, Charloma Dr, Lubet St, Highway 5, and the San Gabriel River.
Cities and CDPs with 10,000 or more people Pomona – 151,713 Downey – 114,355 Norwalk – 102,773 Whittier – 87,306 La Habra – 63,097 Pico Rivera – 62,088 La Habra – 60,513 Montebello – 60,569 South Whittier – 56,415 Diamond Bar – 55,072 Hacienda Heights – 54,191 Rowland Heights – 48,231 La Mirada – 48,008 Walnut – 28,430 West Whittier-Los Nietos – 25,325 Santa Fe Springs – 19,219 East Whittier – 10,394
2,500 – 10,000 people
La Habra Heights – 5,682 Rose Hills – 2,927
Future composition Beginning with the 2026 election, the 38th district will consist of the following counties:
Los Angeles (part) Orange (part)
List of members representing the district Member Party Dates Cong–ress Electoral history Counties District created January 3, 1963 Patrick M. Martin Republican January 3, 1963 –January 3, 1965 Elected in 1962.Lost re-election.1963–1969Imperial CountyRiverside County John V. Tunney Democratic January 3, 1965 –January 2, 1971 Elected in 1964.Re-elected in 1966.Re-elected in 1968.Resigned to become a U.S. senator.1969–1973Imperial CountyRiverside County Vacant January 2, 1971 –January 3, 1971 Victor Veysey Republican January 3, 1971 –January 3, 1973 Elected in 1970. Redistricted to the . George Brown Jr. Democratic January 3, 1973 –January 3, 1975 Elected in 1972. Redistricted to the . 1973–1975San Bernardino County(Inland Empire) Jerry M. Patterson Democratic January 3, 1975 –January 3, 1985 Elected in 1974.Re-elected in 1976.Re-elected in 1978.Re-elected in 1980.Re-elected in 1982.Lost re-election. 1975–1983North Central Orange County(Anaheim)1983–1993Northwest Orange County(Garden GroveSanta Ana) Bob Dornan Republican January 3, 1985 –January 3, 1993 Elected in 1984.Re-elected in 1986.Re-elected in 1988.Re-elected in 1990.Redistricted to the . Steve Horn Republican January 3, 1993 –January 3, 2003 Elected in 1992.Re-elected in 1994.Re-elected in 1996.Re-elected in 1998.Re-elected in 2000. Retired. 1993–2003Los Angeles County(BellflowerLong Beach) Grace Napolitano Democratic 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 . 2003–2013San Gabriel Valley, Los Angeles County(East L.A., Norwalk, Pomona, La Puente, Hacienda Heights) Linda Sánchez Democratic January 3, 2013 –present Redistricted from the and re-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. Redistricted to the . 2013–2023Los Angeles CountyOrange County(Norwalk, Whittier, La Palma) 2023–presentLos Angeles CountyOrange County(Diamond Bar, Norwalk, Whittier)
Election results 1962 • 1964 • 1966 • 1968 • 1970 • 1972 • 1974 • 1976 • 1978 • 1980 • 1982 • 1984 • 1986 • 1988 • 1990 • 1992 • 1994 • 1996 • 1998 • 2000 • 2002 • 2004 • 2006 • 2008 • 2010 • 2012 • 2014 • 2016 • 2018 • 2020 • 2022 • 2024
1962
1964
1966
1968
1970
1972
1974
1976
1978
1980
1982
1984
1986
1988
1990
1992
1994
1996
1998
2000
2002
2004
2006
2008
2010
2012
2014
2016
2018
2020
2022
2024
Historical district boundaries From 2003 through 2013, the district consisted of most of the San Gabriel Valley in Los Angeles County. Due to redistricting after the 2010 United States census, the district has moved east and south east in Los Angeles County and includes much of the previous areas as well as Bellflower and Artesia.
See also List of United States congressional districts California's congressional districts
References
External links GovTrack.us: California's 38th congressional district RAND California Election Returns: District Definitions California Voter Foundation map - CD38