California's 15th congressional district is a congressional district in the U.S. state of California. The district is currently represented by. Currently, the district includes most of San Mateo County and the southeast side of San Francisco. Cities in the district include Daly City, South San Francisco, San Bruno, Millbrae, Burlingame, Hillsborough, San Mateo, Foster City, San Carlos, Belmont, Redwood City and East Palo Alto. Prior to the 2022 United States House of Representatives elections, the district covered most of eastern and southwestern Alameda County as well as part of Contra Costa County. Cities and CDPs in the district included Castro Valley, Dublin, Hayward, Livermore, Pleasanton, Sunol, and Union City; most of San Ramon; and parts of Danville and Fremont. The new 15th district roughly corresponds to the old 14th district and vice versa.

Election results from statewide races

Composition

As of the 2020 redistricting, California's 15th congressional district is part of the San Francisco Bay Area. It encompasses the east coast of San Mateo County, which is split between this district and the 16th district. They are partitioned by the San Francisquito Creek, Menalto Ave, Willow Rd, S Perimeter Rd, W Perimeter Rd, Bay Rd, Marsh Rd, Middlefield Rd, Highway 82, Highway 84, Alameda de las Pulgas, Woodhill Dr, Farm Hill Blvd, The Loop Rd, Jefferson Ave, Summit Way, California Way, Junipero Serra Freeway, and Highway 35. The 15th district takes in the northern portions of the town of Atherton and city of Menlo Park, the cities of San Mateo, Daly City, South San Francisco, Redwood City, Burlingame, San Bruno, Millbrae, East Palo Alto, San Carlos, Foster City, Belmont, Brisbane, the towns of Hillsborough and Colma, as well as the census-designated places North Fair Oaks, Broadmoor, Highlands, Baywood Park, and Emerald Lake Hills. Along with San Mateo County, the 15th district also takes in the San Francisco neighborhoods of Crocker Amazon, Excelsior, Little Hollywood, Mission Terrace, Oceanview, Outer Mission, Portola, and Visitacion Valley.

Cities and CDPs with 10,000 or more people

2.500 – 10,000 people

List of members representing the district

Election results

1932

1934

1936

1938

1940

1942

1944

1946

1948

1950

1952

1954

1956

1958

1960

1962

1964

1966

1968

1970

1972

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1980

1982

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1988

1989 (Special)

1990

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1994

1995 (Special)

1996

1998

2000

2002

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2006

2008

2010

2012

2014

2016

2018

2020

2022