U.S. House district for California
California's 12th congressional district Interactive map of district boundaries since 2023 (Used in the
2022 elections )
Representative Distribution Population (2024) 756,336 Median household $111,408 Ethnicity Cook PVI D+39[ 1]
California's 12th congressional district is acongressional district in northernCalifornia .Lateefah Simon , aDemocrat , has represented the district since January 2025. The district was represented previously by longtime congresswomanBarbara Lee , former Speaker of the House of RepresentativesNancy Pelosi (who has since been redistricted to the11th district ), and former president of the United StatesRichard Nixon .
Currently, the 12th district is located inAlameda County and encompasses the cities ofOakland ,Berkeley ,Emeryville ,Alameda ,Albany ,Piedmont , and most ofSan Leandro . With aCook Partisan Voter Index rating of D+39, the 12th district is the mostDemocratic district in California, giving nearly 85% of its vote toKamala Harris in the2024 presidential election .[ 1] [ 2]
Before redistricting in 2023, the 12th district was withinSan Francisco , encompassing most of the city.[ 3] 14th district .
When the district was created after the1930 census , it was located inLos Angeles County . As California's population grew, however, the district generally was moved northward, eventually to the San Francisco peninsula.[ 4]
Richard Nixon , who would subsequently serve as the 37thpresident of the United States , represented this district from 1947 to 1951, when it was located to the east of Los Angeles.Nancy Pelosi , the formerspeaker of the House , represented the district from 2013 to 2023, when it covered most of San Francisco. She had previously servedCalifornia's 5th congressional district from 1987 to 1993 andCalifornia's 8th congressional district from 1993 to 2013 and currently representsCalifornia's 11th congressional district .
Recent election results from statewide races [ edit ] Due to the 2020 redistricting, California's 12th district has effectively been shifted to the former geography of the13th district . It encompasses the coastal section ofAlameda County , and is anchored byOakland . The district also includes the cities ofAlameda ,Albany ,Berkeley ,Emeryville ,Piedmont , andSan Leandro . Technically, the westernmost tip ofAlameda Island is part of theCity and County of San Francisco , but it is uninhabited.
This district borders the 13th district, and Alameda County is partitioned between them by Grant Ave, Union Pacific, Lewelling Blvd, Wicks Blvd, Manor Blvd, Juniper St, Dayton Ave, Padre Ave, Fargo Ave, Edgemoor St, Trojan Ave, Beatty St, Fleming St, Highway 880, Floresta Blvd, Halcyon Dr, Hesperian Blvd, Thornally Dr, Highway 185, 150th Ave, Highway 580, Benedict Dr, San Leandro Creek, and Lake Chabot Regional Park.
List of members representing the district [ edit ] Representative Party Dates Cong Electoral history Counties[ 9] [ 10] [ 11] District created March 4, 1933 John H. Hoeppel (Arcadia ) Democratic March 4, 1933 – 73rd 74th Elected in 1932 .Re-elected in 1934 .1933–1953 :Los Angeles (Pasadena ,Pomona ,Whittier )Jerry Voorhis (San Dimas ) Democratic January 3, 1937 – 75th 76th 77th 78th 79th Elected in 1936 .Re-elected in 1938 .Re-elected in 1940 .Re-elected in 1942 .Re-elected in 1944 .Richard Nixon (Whittier ) Republican January 3, 1947 – 80th 81st Elected in 1946 .Re-elected in 1948 .run for U.S. Senator .Vacant November 30, 1950 – 81st Patrick J. Hillings (Arcadia ) Republican January 3, 1951 – 82nd Elected in 1950 .25th district Allan O. Hunter (Fresno ) Republican January 3, 1953 – 83rd Redistricted from the9th district re-elected in 1952 . 1953–1963 :Fresno ,Madera ,Merced B. F. Sisk (Fresno ) Democratic January 3, 1955 – 84th 85th 86th 87th Elected in 1954 .Re-elected in 1956 .16th district Burt Talcott (Salinas ) Republican January 3, 1963 – 88th 89th 90th 91st 92nd 93rd Elected in 1962 .Re-elected in 1964 .Re-elected in 1966 .Re-elected in 1968 .Re-elected in 1970 .Re-elected in 1972 .16th district 1963–1967 :Monterey ,San Benito ,San Luis Obispo ,Santa Cruz 1967–1973 :Kings ,Monterey ,San Luis Obispo ,Santa Cruz 1973–1975 :Monterey ,San Benito , northwesternSan Luis Obispo , southernSanta Clara ,Santa Cruz Pete McCloskey (Menlo Park ) Republican January 3, 1975 – 94th 95th 96th 97th Redistricted from the17th district re-elected in 1974 .Re-elected in 1976 .Re-elected in 1978 .Re-elected in 1980 .run for U.S. Senator . 1975–1983 :San Mateo , northernSanta Clara Ed Zschau (Los Altos ) Republican January 3, 1983 – 98th 99th Elected in 1982 .Re-elected in 1984 .run for U.S. Senator .1983–1993 :San Mateo ,Santa Clara , northernSanta Cruz Ernie Konnyu (Saratoga ) Republican January 3, 1987 – 100th Elected in 1986 .Tom Campbell (Stanford ) Republican January 3, 1989 – 101st 102nd Elected in 1988 .Re-elected in 1990 .run for U.S. Senator .Tom Lantos (San Mateo ) Democratic January 3, 1993 – 103rd 104th 105th 106th 107th 108th 109th 110th Redistricted from the11th district re-elected in 1992 .Re-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 . 1993–2003 :San Francisco , northernSan Mateo 2003–2013 :San Francisco , northernSan Mateo Vacant February 11, 2008 – 110th Jackie Speier (Hillsborough ) Democratic April 8, 2008 – 110th 111th 112th Elected to finish Lantos's term .Re-elected in 2008 .Re-elected in 2010 .14th district Nancy Pelosi (San Francisco ) Democratic January 3, 2013 – 113th 114th 115th 116th 117th Redistricted from the8th district re-elected in 2012 .Re-elected in 2014 .Re-elected in 2016 .Re-elected in 2018 .Re-elected in 2020 .11th district 2013–2023 :San Francisco Barbara Lee (Oakland ) Democratic January 3, 2023 – 118th Redistricted from the13th district re-elected in 2022 .run for U.S. senator . 2023–present Alameda County Lateefah Simon (Emeryville ) Democratic January 3, 2025 – 119th Elected in 2024 .
^a b "2025 Cook PVI℠: District Map and List (119th Congress)" .Cook Political Report . April 3, 2025. RetrievedApril 5, 2025 .^ "CA 2022 Congressional" .Dave's Redistricting . January 4, 2022. RetrievedNovember 11, 2022 .^ "Maps: Final Congressional Districts" . Citizens Redistricting Commission. Archived fromthe original on March 10, 2013. RetrievedFebruary 24, 2013 .^ California Constitution , Article 21, Section 1(c) (congressional districts), Section 2(f) (state government districts).^ "Dra 2020" .^ "Supplement to Statement of Vote" (PDF) . November 8, 2022.Archived (PDF) from the original on January 8, 2025. RetrievedJanuary 21, 2025 .^ "Supplement to Statement of Vote" (PDF) . November 5, 2024.Archived (PDF) from the original on April 9, 2025. RetrievedApril 5, 2025 .^ "California FIPS Codes" .National Weather Service . RetrievedMarch 11, 2025 .^ Martis, Kenneth C.,The Historical Atlas of United States Congressional Districts, 1789–1983 . New York: Macmillan Publishing, 1982. ^ Martis, Kenneth C.,The Historical Atlas of Political Parties in the United States Congress, 1789–1989 . New York: Macmillan Publishing, 1989. ^ "Congressional Directory: Browse 105th Congress" . Archived fromthe original on February 17, 2011.^ "1932 election results" (PDF) .^ "1934 election results" (PDF) .^ "1936 election results" (PDF) .^ "1938 election results" (PDF) .^ "1940 election results" (PDF) .^ "1942 election results" (PDF) .^ "1944 election results" (PDF) .^ "1946 election results" (PDF) .^ "1948 election results" (PDF) .^ "1950 election results" (PDF) .^ "1952 election results" (PDF) .^ "1954 election results" (PDF) .^ "1956 election results" (PDF) .^ "1958 election results" (PDF) .^ "1960 election results" (PDF) .^ "1962 election results" (PDF) .^ "1964 election results" (PDF) .^ "1966 election results" (PDF) .^ "1968 election results" (PDF) .^ "1970 election results" (PDF) .^ "1972 election results" (PDF) .^ "1974 election results" (PDF) .^ "1976 election results" (PDF) .^ "1978 election results" (PDF) .^ "1980 election results" (PDF) .^ "1982 election results" (PDF) .^ "1984 election results" (PDF) .^ "1986 election results" (PDF) .^ "1988 election results" (PDF) .^ "1990 election results" (PDF) .^ "1992 election results" (PDF) .^ "1994 election results" (PDF) .^ "1996 election results" (PDF) .^ "1998 election results" (PDF) .^ "2000 election results" (PDF) .^ "2002 general election results" (PDF) . Archived fromthe original (PDF) on February 3, 2009.^ "2004 general election results" (PDF) . Archived fromthe original (PDF) on August 21, 2008.^ "2006 general election results" (PDF) . Archived fromthe original (PDF) on November 27, 2008.^ "2008 special election results" (PDF) . Archived fromthe original (PDF) on July 3, 2008. RetrievedJuly 4, 2008 .^ "2008 general election results" (PDF) . Archived fromthe original (PDF) on December 21, 2008.^ "2010 general election results" (PDF) . Archived fromthe original (PDF) on May 20, 2011. RetrievedFebruary 21, 2011 .^ "2012 general election results" (PDF) . Archived fromthe original (PDF) on October 19, 2013.^ "2014 general election results" . Archived fromthe original on December 21, 2014. RetrievedDecember 21, 2014 .^ "California Election Results: 12th Congressional District" .The New York Times . RetrievedJanuary 4, 2021 .
The at-large seats only existed from 1850 to 1865 and from 1883 to 1885. See also California's past and presentrepresentatives ,senators , anddelegations
37°46′N 122°25′W / 37.77°N 122.42°W /37.77; -122.42
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