California's 16th congressional district is a congressional district in the U.S. state of California. It includes portions of Santa Clara and San Mateo counties, extending from the southwestern San Francisco Bay Area through the Santa Cruz Mountains to the Pacific coast. The district is currently represented by . As currently drawn, it is the wealthiest district in the nation.

On December 20, 2021, the state redistricting commission unanimously approved a new map of congressional districts, under which the new district overlaps largely with the old 18th district. The primary election of June 2022 was the first to feature the new districts; however, sitting representatives reflected the old district boundaries until the general election in November 2022.

Prior to the 2020s redistricting, the district included Merced County, most of Madera County, and part of Fresno County. During this time, cities in the district included Los Banos, Madera, Merced, and most of Fresno. Cities in the new 16th district include Pacifica, Half Moon Bay, Atherton, Palo Alto, Saratoga, Campbell, Woodside, and Los Gatos, along with the south-central and southwestern parts of San Jose. Most of the old 16th district is now part of the 13th and 21st districts.

Recent election results from statewide races 2023–2027 boundaries Year Office Results2008 PresidentObama 71% - 28%2010 GovernorBrown 62% - 35% Lt. GovernorNewsom 61% - 32% Secretary of StateBowen 62% - 30% Attorney GeneralHarris 55% - 37% TreasurerLockyer 65% - 29% ControllerChiang 62% - 30%2012 PresidentObama 71% - 29%2014 GovernorBrown 73% - 27%2016 PresidentClinton 74% - 20%2018 GovernorNewsom 73% - 27% Attorney GeneralBecerra 74% - 26%2020 PresidentBiden 75% - 22%2022 Senate (Reg.)Padilla 74% - 26% GovernorNewsom 73% - 27% Lt. GovernorKounalakis 73% - 27% Secretary of StateWeber 73% - 27% Attorney GeneralBonta 71% - 29% TreasurerMa 71% - 29% ControllerCohen 65% - 35%2024 PresidentHarris 72% - 24% Senate (Reg.)Schiff 72% - 28%

2027–2033 boundaries Year Office Results2008 PresidentObama 71% - 28%2010 GovernorBrown 62% - 35% Lt. GovernorNewsom 61% - 32% Secretary of StateBowen 62% - 30% Attorney GeneralHarris 55% - 37% TreasurerLockyer 65% - 29% ControllerChiang 62% - 30%2012 PresidentObama 71% - 29%2014 GovernorBrown 73% - 27%2016 PresidentClinton 74% - 20%2018 GovernorNewsom 73% - 27% Attorney GeneralBecerra 74% - 26%2020 PresidentBiden 75% - 22%2022 Senate (Reg.)Padilla 74% - 26% GovernorNewsom 73% - 27% Lt. GovernorKounalakis 73% - 27% Secretary of StateWeber 73% - 27% Attorney GeneralBonta 71% - 29% TreasurerMa 71% - 29% ControllerCohen 65% - 35%2024 PresidentHarris 72% - 24% Senate (Reg.)Schiff 72% - 28%

Composition County Code County Seat Population 81 San Mateo Redwood City 726,353 85 Santa Clara San Jose 1,877,592 Under the 2020 redistricting, California's 16th congressional district is located in the San Francisco Bay Area. It encompassing the west coast and interior of San Mateo County, and the western border of Santa Clara County. The area in San Mateo County includes the southern sections of the city of Menlo Park and town of Atherton; the cities of Pacifica, Half Moon Bay, and Portola Valley; the town of Woodside; and the census-designated places Montara, Moss Beach, El Granada, Pescadero, Loma Mar, La Honda, and Ladera. The area in Santa Clara County includes the west central section of the city of San Jose; the cities of Campbell, Saratoga, Los Altos, Mountain View, Palo Alto, and Monte Sereno; the towns of Los Altos Hills and Los Gatos; and the census-designated places Loyola, Lexington Hills, Cambrian Park, Fruitdale, and Stanford, which includes Stanford University.

San Mateo County is split between this district and the 15th 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.

Santa Clara County is split between this district, the 17th district, the 18th district, and the 19th district. The 16th and 19th are partitioned by Old Santa Cruz Highway, Aldercroft Hts Rd, Weaver Rd, Soda Springs Rd, Love Harris Rd, Pheasant Creek, Guadalupe Creek, Guadalupe Mines Rd, Oak Canyon Dr, Coleman Rd, Meridian Ave, Highway G8, Guadalupe River, W Capitol Expressway, Senter Rd, Sylvandale Ave, Yerba Buena Rd, Silver Creek Rd, and E Capitol Expressway. The 16th and 18th are partitioned by Annona Ave Santiago Ave, Tully Rd, Highway 101, S King Rd, Valley Palms Apts, Story Rd, Senter Rd, E Alma Ave, S 7th St, Monterey Rd, Barnard Ave, Highway G8, Highway 87, W Alma Ave, Belmont Way, Belmont Ave, Minnesota Ave, Prevost St, Atlanta Ave, Fuller Ave, Riverside Dr, Coe Ave, Lincoln Ave, Paula St, Highway 280, and Highway 880. The 16th and 17th are partitioned by Stevens Creek Blvd, Santana Row, Olsen Dr, S Winchester Blvd, Williams Rd, Eden Ave, Lexington Dr, Valley Forge Way, Gleason Ave, Moreland Way, Payne Ave, Saratoga Ave, Doyle Rd, Highway G2, Royal Ann Dr, Wisteria Way, Rainbow Dr, Highway 85, S De Anza Blvd, Prospect Rd, Fremont Older Open Space, Permanente Creek, Highway 280, N Foothill Blvd, Homestead Rd, Stevens Creek, W EL Camino Real, Magritte Way, Highway G6, Highway 101, and Enterprise Way.

Cities and CDPs with 10,000 or more people San Jose – 977,233 Mountain View – 81,059 Palo Alto – 68,572 Campbell – 43,959 Pacifica – 38,640 Menlo Park – 33,780 Los Gatos – 33,529 Los Altos – 31,625 Saratoga – 31,051 Stanford – 21,150 Half Moon Bay – 11,795

2,500 – 10,000 people

Los Altos Hills – 8,489 Atherton – 7,188 El Granada – 5,481 Woodside – 5,309 Portola Valley – 4,456 Cambrian Park – 3,719 Loyola – 3,491 Monte Sereno – 3,479 Moss Beach – 3,214 Montara – 2,833

List of members representing the district Representative Party Dates Congress(es) Electoral history Counties District created March 4, 1933 John F. Dockweiler Democratic March 4, 1933 –January 3, 1939 Elected in 1932.Re-elected in 1934.Re-elected in 1936.Lost re-election as a write-in candidate after running for governor. Leland M. Ford Republican January 3, 1939 –January 3, 1943 Elected in 1938.Re-elected in 1940.Lost re-election. Will Rogers Jr. Democratic January 3, 1943 –May 23, 1944 Elected in 1942.Resigned to return to active duty in the Army.Vacant May 23, 1944 –January 3, 1945 Ellis E. Patterson Democratic January 3, 1945 –January 3, 1947 Elected in 1944.Lost renomination. Donald L. Jackson Republican January 3, 1947 –January 3, 1961 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.Retired. Alphonzo E. Bell Jr. Republican January 3, 1961 –January 3, 1963 Elected in 1960.Redistricted to the . B. F. Sisk Democratic January 3, 1963 –January 3, 1975 Redistricted from the and re-elected in 1962.Re-elected in 1964. Re-elected in 1966.Re-elected in 1968.Re-elected in 1970.Re-elected in 1972.Redistricted to the . Fresno, Madera, Merced Fresno, Merced Burt Talcott Republican January 3, 1975 –January 3, 1977 Redistricted from the and re-elected in 1974.Lost re-election.Western Monterey, San Benito, northern San Luis Obispo, Santa Cruz Leon Panetta Democratic January 3, 1977 –January 3, 1993Elected 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.Redistricted to the Monterey, San Benito, northern San Luis Obispo, southern Santa Cruz Don Edwards Democratic January 3, 1993 –January 3, 1995 Redistricted from the and re-elected in 1992.Retired. Santa Clara Zoe Lofgren Democratic January 3, 1995 –January 3, 2013 Elected in 1994.Re-elected in 1996.Re-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.Redistricted to the 2003–2013Santa Clara (San Jose) Jim Costa 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 . 2013–2023Central Valley including Fresno and Merced Anna Eshoo Democratic January 3, 2023 –January 3, 2025 Redistricted from the and re-elected in 2022.Retired. 2023–presentportions of Santa Clara, San Mateo, and Santa Cruz counties, extending from the southwestern San Francisco Bay Area through the Santa Cruz Mountains to the Pacific coast.Sam Liccardo DemocraticJanuary 3, 2025–presentElected in 2024.

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Historical district boundaries

See also List of United States congressional districts California's congressional districts

References

External links GovTrack.us: California's 16th congressional district RAND California Election Returns: District Definitions California Voter Foundation map - CD16