Wikipedia

California's 12th congressional district

California's 12th congressional district is a congressional district in northern California. Lateefah Simon, a Democrat, has represented the district since January 2025. The district was represented previously by longtime congresswoman Barbara Lee, former Speaker of the House of Representatives Nancy Pelosi (who has since been redistricted to the 11th district), and former president of the United States Richard Nixon.

California's 12th congressional district
Map
Interactive map of district boundaries since 2023, starting with the 2022 elections[a]
Representative
Distribution
  • 100.0% urban
  • 0.0% rural
Population (2024)756,336
Median household
income		$111,408
Ethnicity
Cook PVID+39[3]

Currently, the 12th district is located in Alameda County and encompasses the cities of Oakland, Berkeley, Emeryville, Alameda, Albany, Piedmont, and most of San Leandro. With a Cook Partisan Voter Index rating of D+39, the 12th district is the most Democratic district in California, giving nearly 85% of its vote to Kamala Harris in the 2024 presidential election.[3][4]

Before redistricting in 2023, the 12th district was within San Francisco, encompassing most of the city.[5] The remainder of the city was included in the 14th district.

History

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When the district was created after the 1930 census, it was located in Los Angeles County. As California's population grew, however, the district generally was moved northward, eventually to the San Francisco peninsula.[6]

Richard Nixon, who would subsequently serve as the 37th president of the United States, represented this district from 1947 to 1951, when it was located to the east of Los Angeles. Nancy Pelosi, the former speaker of the House, represented the district from 2013 to 2023, when it covered most of San Francisco. She had previously served California's 5th congressional district from 1987 to 1993 and California's 8th congressional district from 1993 to 2013 and currently represents California's 11th congressional district.

Recent election results from statewide races

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2023–2033 boundaries

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Year Office Results[a][7][8][9]
2008 President Obama 90%–10%
2010 Governor Brown 86%–11%
Lt. Governor Newsom 81%–13%
Secretary of State Bowen 82%–10%
Attorney General Harris 78%–15%
Treasurer Lockyer 83%–9%
Controller Chiang 83%–9%
2012 President Obama 91%–9%
2014 Governor Brown 92%–8%
2016 President Clinton 88%–6%
2018 Governor Newsom 91%–9%
Attorney General Becerra 91%–9%
2020 President Biden 89%–9%
2022 Senate (Reg.) Padilla 91%–9%
Governor Newsom 90%–10%
Lt. Governor Kounalakis 90%–10%
Secretary of State Weber 90%–10%
Attorney General Bonta 89%–11%
Treasurer Ma 89%–11%
Controller Cohen 84%–16%
2024 President Harris 85%–11%
Senate (Reg.) Schiff 88%–12%

Composition

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FIPS County Code[10] County Seat Population
1 Alameda Oakland 1,622,188

Due to the 2020 redistricting, California's 12th district has effectively been shifted to the former geography of the 13th district. It encompasses the coastal section of Alameda County, and is anchored by Oakland. The district also includes the cities of Alameda, Albany, Berkeley, Emeryville, Piedmont, and San Leandro. Technically, the westernmost tip of Alameda Island is part of the City 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.

Cities

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List of members representing the district

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Representative Party Dates Cong
ress(es)		 Electoral history Counties[11][12][13]
District created March 4, 1933

John H. Hoeppel
(Arcadia)		 Democratic March 4, 1933 –
January 3, 1937		 73rd
74th		 Elected in 1932.
Re-elected in 1934.
Lost renomination.		 1933–1953:
Eastern Los Angeles (Pasadena, Pomona, Whittier)

Jerry Voorhis
(San Dimas)		 Democratic January 3, 1937 –
January 3, 1947		 75th
76th
77th
78th
79th		 Elected in 1936.
Re-elected in 1938.
Re-elected in 1940.
Re-elected in 1942.
Re-elected in 1944.
Lost re-election.

Richard Nixon
(Whittier)		 Republican January 3, 1947 –
November 30, 1950		 80th
81st		 Elected in 1946.
Re-elected in 1948.
Retired to run for U.S. Senator.
Resigned when appointed U.S. Senator.
Vacant November 30, 1950 –
January 3, 1951		 81st

Patrick J. Hillings
(Arcadia)		 Republican January 3, 1951 –
January 3, 1953		 82nd Elected in 1950.
Redistricted to the 25th district.

Allan O. Hunter
(Fresno)		 Republican January 3, 1953 –
January 3, 1955		 83rd Redistricted from the 9th district and re-elected in 1952.
Lost re-election.		 1953–1963:
Fresno, Madera, Merced

B. F. Sisk
(Fresno)		 Democratic January 3, 1955 –
January 3, 1963		 84th
85th
86th
87th		 Elected in 1954.
Re-elected in 1956.
Redistricted to the 16th district.

Burt Talcott
(Salinas)		 Republican January 3, 1963 –
January 3, 1975		 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.
Redistricted to the 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, northwestern San Luis Obispo, southern Santa Clara, Santa Cruz

Pete McCloskey
(Menlo Park)		 Republican January 3, 1975 –
January 3, 1983		 94th
95th
96th
97th		 Redistricted from the 17th district and re-elected in 1974.
Re-elected in 1976.
Re-elected in 1978.
Re-elected in 1980.
Retired to run for U.S. Senator.		 1975–1983:
Southern San Mateo, northern Santa Clara

Ed Zschau
(Los Altos)		 Republican January 3, 1983 –
January 3, 1987		 98th
99th		 Elected in 1982.
Re-elected in 1984.
Retired to run for U.S. Senator.		 1983–1993:
Southern San Mateo, Santa Clara, northern Santa Cruz

Ernie Konnyu
(Saratoga)		 Republican January 3, 1987 –
January 3, 1989		 100th Elected in 1986.
Lost renomination.

Tom Campbell
(Stanford)		 Republican January 3, 1989 –
January 3, 1993		 101st
102nd		 Elected in 1988.
Re-elected in 1990.
Retired to run for U.S. Senator.

Tom Lantos
(San Mateo)		 Democratic January 3, 1993 –
February 11, 2008		 103rd
104th
105th
106th
107th
108th
109th
110th		 Redistricted from the 11th district and 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.
Announced retirement, then died.		 1993–2003:
Southwestern San Francisco, northern San Mateo
2003–2013:

Southwestern San Francisco, northern San Mateo
Vacant February 11, 2008 –
April 8, 2008		 110th

Jackie Speier
(Hillsborough)		 Democratic April 8, 2008 –
January 3, 2013		 110th
111th
112th		 Elected to finish Lantos's term.
Re-elected in 2008.
Re-elected in 2010.
Redistricted to the 14th district.

Nancy Pelosi
(San Francisco)		 Democratic January 3, 2013 –
January 3, 2023		 113th
114th
115th
116th
117th		 Redistricted from the 8th district and re-elected in 2012.
Re-elected in 2014.
Re-elected in 2016.
Re-elected in 2018.
Re-elected in 2020.
Redistricted to the 11th district.		 2013–2023:

Most of San Francisco

Barbara Lee
(Oakland)		 Democratic January 3, 2023 –
January 3, 2025
 118th Redistricted from the 13th district and re-elected in 2022.
Retired to run for U.S. senator.		 2023–present

northwestern portion of Alameda County

Lateefah Simon
(Emeryville)		 Democratic January 3, 2025 –
present		 119th Elected in 2024.

Election results

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1932

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1932 United States House of Representatives elections[14]
Party Candidate Votes %
Democratic John H. Hoeppel 43,122 45.8%
Republican Frederick F. Houser 40,674 43.2%
Prohibition Richard M. Cannon 10,308 11.0%
Total votes 94,104 100.0%
Turnout  
Democratic win (new seat)

1934

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1934 United States House of Representatives elections[15]
Party Candidate Votes %
Democratic John H. Hoeppel (Incumbent) 52,595 50.7%
Republican Frederick F. Houser 51,216 49.3%
Total votes 103,811 100.0%
Turnout  
Democratic hold

1936

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1936 United States House of Representatives elections[16]
Party Candidate Votes %
Democratic Jerry Voorhis 62,034 53.7%
Republican Frederick F. Houser 53,445 46.3%
Total votes 115,479 100.0%
Turnout  
Democratic hold

1938

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1938 United States House of Representatives elections[17]
Party Candidate Votes %
Democratic Jerry Voorhis (Incumbent) 75,003 60.8%
Republican Eugene W. Nixon 40,457 32.8%
Townsend Russell R. Hand 7,903 6.4%
Total votes 123,363 100.0%
Turnout  
Democratic hold

1940

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1940 United States House of Representatives elections[18]
Party Candidate Votes %
Democratic Jerry Voorhis (Incumbent) 99,494 64.0%
Republican Eugene W. Nixon 54,731 35.2%
Communist Albert Lewis 1,152 0.8%
Total votes 155,377 100.0%
Turnout  
Democratic hold

1942

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1942 United States House of Representatives elections[19]
Party Candidate Votes %
Democratic Jerry Voorhis (Incumbent) 53,705 56.8%
Republican Robert P. Shuler 40,780 43.2%
Total votes 94,485 100.0%
Turnout  
Democratic hold

1944

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1944 United States House of Representatives elections[20]
Party Candidate Votes %
Democratic Jerry Voorhis (Incumbent) 77,385 55.3%
Republican Roy P. McLaughlin 62,524 44.7%
Total votes 139,909 100.0%
Turnout  
Democratic hold

1946

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1946 United States House of Representatives elections[21]
Party Candidate Votes %
Republican Richard Nixon 65,586 56.0%
Democratic Jerry Voorhis (Incumbent) 49,994 42.7%
Prohibition John Henry Hoeppel 1,476 1.3%
Total votes 117,056 100.0%
Turnout  
Republican gain from Democratic

1948

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1948 United States House of Representatives elections[22]
Party Candidate Votes %
Republican Richard Nixon (Incumbent) 141,509 87.8%
Progressive Una W. Rice 19,631 12.2%
Total votes 161,140 100.0%
Turnout  
Republican hold

1950

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1950 United States House of Representatives elections[23]
Party Candidate Votes %
Republican Patrick J. Hillings 107,933 60.1%
Democratic Steve Zetterberg 71,682 39.9%
Total votes 179,615 100.0%
Turnout  
Republican hold

1952

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1954

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1954 United States House of Representatives elections[25]
Party Candidate Votes %
Democratic B. F. Sisk 63,911 53.8%
Republican Allan O. Hunter (Incumbent) 54,903 46.2%
Total votes 118,814 100.0%
Turnout  
Democratic gain from Republican

1956

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1956 United States House of Representatives elections[26]
Party Candidate Votes %
Democratic B. F. Sisk (Incumbent) 109,920 73%
Republican Robert B. Moore 40,663 27%
Total votes 150,583 100%
Turnout  
Democratic hold

1958

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1958 United States House of Representatives elections[27]
Party Candidate Votes %
Democratic B. F. Sisk (Incumbent) 112,702 81.1%
Republican Daniel K. Halpin 26,228 18.9%
Total votes 138,930 100%
Turnout  
Democratic hold

1960

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1960 United States House of Representatives elections[28]
Party Candidate Votes %
Democratic B. F. Sisk (Incumbent) 141,974 100.0%
Turnout  
Democratic hold

1962

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1962 United States House of Representatives elections[29]
Party Candidate Votes %
Republican Burt Talcott (Incumbent) 75,424 61.3%
Democratic William K. Steward 47,576 38.7%
Total votes 123,000 100.0%
Turnout
Republican win (new seat)

1964

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1964 United States House of Representatives elections[30]
Party Candidate Votes %
Republican Burt Talcott (Incumbent) 93,112 61.9%
Democratic William K. Steward 57,242 38.1%
Total votes 150,354 100.0%
Turnout  
Republican hold

1966

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1966 United States House of Representatives elections[31]
Party Candidate Votes %
Republican Burt Talcott (Incumbent) 108,070 77.3%
Democratic Gerald V. Barron 31,787 22.7%
Total votes 139,857 100.0%
Turnout  
Republican hold

1968

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1968 United States House of Representatives elections[32]
Party Candidate Votes %
Republican Burt Talcott (Incumbent) 140,713 94.9%
American Independent Ann J. Holliday 7,593 5.1%
Total votes 148,308 100.0%
Turnout  
Republican hold

1970

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1970 United States House of Representatives elections[33]
Party Candidate Votes %
Republican Burt Talcott (Incumbent) 95,549 63.6%
Democratic O'Brien Riordan 50,942 33.9%
Peace and Freedom Herbert H. Foster Jr. 3,682 2.5%
Total votes 150,173 100.0%
Turnout  
Republican hold

1972

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1972 United States House of Representatives elections[34]
Party Candidate Votes %
Republican Burt Talcott (Incumbent) 105,555 54.0%
Democratic Julian Camacho 84,268 43.1%
American Independent Stanley K. Monteith 5,753 2.9%
Total votes 195,576 100.0%
Turnout  
Republican hold

1974

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1974 United States House of Representatives elections[35]
Party Candidate Votes %
Republican Pete McCloskey (Incumbent) 103,228 69.1%
Democratic Gary G. Gillmor 46,197 30.9%
Total votes 149,425 100.0%
Turnout
Republican hold

1976

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1976 United States House of Representatives elections[36]
Party Candidate Votes %
Republican Pete McCloskey (Incumbent) 130,332 66.2%
Democratic David T. Harris 61,526 31.3%
American Independent Joseph David "Joss" Cooney 4,999 2.5%
Total votes 196,857 100.0%
Turnout  
Republican hold

1978

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1978 United States House of Representatives elections[37]
Party Candidate Votes %
Republican Pete McCloskey (Incumbent) 116,982 73.1%
Democratic Kirsten Olsen 34,472 21.5%
American Independent Harold R. Boylan 5,609 3.5%
Peace and Freedom Adele Fumino 3,022 1.9%
Total votes 160,085 100.0%
Turnout  
Republican hold

1980

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1980 United States House of Representatives elections[38]
Party Candidate Votes %
Republican Pete McCloskey (Incumbent) 143,817 72.2%
Democratic Kirsten Olsen 37,009 18.6%
Libertarian Bill Evers 15,073 7.6%
Peace and Freedom Adele Fumino 3,184 1.6%
Total votes 199,083 100.0%
Turnout  
Republican hold

1982

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1982 United States House of Representatives elections[39]
Party Candidate Votes %
Republican Ed Zschau 115,365 63.0%
Democratic Emmett Lynch 61,372 33.5%
Libertarian William C. "Bill" White 6,471 3.5%
Total votes 183,208 100.0%
Turnout  
Republican hold

1984

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1984 United States House of Representatives elections[40]
Party Candidate Votes %
Republican Ed Zschau (Incumbent) 155,795 61.7%
Democratic Martin Carnoy 91,026 36.0%
Libertarian William C. "Bill" White 5,872 2.3%
Total votes 252,963 100.0%
Turnout  
Republican hold

1986

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1986 United States House of Representatives elections[41]
Party Candidate Votes %
Republican Ernie Konnyu 111,252 59.5%
Democratic Lance T. Weil 69,564 37.2%
Libertarian William C. "Bill" White 6,227 3.3%
Total votes 187,043 100.0%
Turnout  
Republican hold

1988

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1988 United States House of Representatives elections[42]
Party Candidate Votes %
Republican Tom Campbell 136,384 51.7%
Democratic Anna Eshoo 121,523 46.0%
Libertarian Tom Grey 6,023 2.3%
Total votes 263,930 100.0%
Turnout  
Republican hold

1990

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1990 United States House of Representatives elections[43]
Party Candidate Votes %
Republican Tom Campbell (Incumbent) 125,157 60.8%
Democratic Bob Palmer 69,270 33.7%
Libertarian Chuck Olson 11,271 5.5%
Total votes 205,698 100.0%
Turnout  
Republican hold

1992

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1992 United States House of Representatives elections[44]
Party Candidate Votes %
Democratic Tom Lantos 157,205 68.8%
Republican Jim R. Tomlin 53,278 23.3%
Peace and Freedom Mary Weldon 10,142 4.4%
Libertarian George L. O'Brien 7,782 3.4%
Total votes 228,407 100.0%
Turnout  
Democratic gain from Republican

1994

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1994 United States House of Representatives elections[45]
Party Candidate Votes %
Democratic Tom Lantos (Incumbent) 118,408 67.42%
Republican Deborah Wilder 57,228 32.58%
Total votes 175,636 100.0%
Turnout  
Democratic hold

1996

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1996 United States House of Representatives elections[46]
Party Candidate Votes %
Democratic Tom Lantos (Incumbent) 149,052 71.7%
Republican Storm Jenkins 49,278 23.8%
Libertarian Christopher Schmidt 6,111 2.9%
Natural Law Richard Bong 3,472 1.6%
Total votes 207,913 100.0%
Turnout  
Democratic hold

1998

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1998 United States House of Representatives elections[47]
Party Candidate Votes %
Democratic Tom Lantos (Incumbent) 128,135 73.98%
Republican Robert H. Evans Jr. 36,562 21.11%
Libertarian Michael J. Moloney 8,515 4.92%
Total votes 173,212 100.0%
Turnout  
Democratic hold

2000

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2000 United States House of Representatives elections[48]
Party Candidate Votes %
Democratic Tom Lantos (Incumbent) 158,404 74.6%
Republican Mike Garza 44,162 20.8%
Libertarian Barbara J. Less 6,431 3.0%
Natural Law Rifkin Young 3,559 1.6%
Total votes 212,556 100.0%
Turnout  
Democratic hold

2002

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2002 United States House of Representatives elections[49]
Party Candidate Votes %
Democratic Tom Lantos (Incumbent) 105,597 68.1%
Republican Michael J. Moloney 38,381 24.8%
Libertarian Maad Abu-Ghazalah 11,006 7.1%
Total votes 185,216 100.0%
Turnout  
Democratic hold

2004

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2004 United States House of Representatives elections[50]
Party Candidate Votes %
Democratic Tom Lantos (Incumbent) 171,852 68.1%
Republican Mike Garza 52,593 20.8%
Green Pat Green 23,038 9.1%
Libertarian Harland Harrison 5,116 2.0%
Total votes 252,599 100.0%
Turnout  
Democratic hold

2006

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2006 United States House of Representatives elections[51]
Party Candidate Votes %
Democratic Tom Lantos (Incumbent) 138,650 76.1%
Republican Mike Moloney 43,674 23.9%
Total votes 182,324 100.0%
Turnout  
Democratic hold

2008 (Special)

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2008 special election[52]
Party Candidate Votes %
Democratic Jackie Speier 66,279 76.90%
Republican Greg Conlon 7,990 9.27%
Democratic Michelle McMurry 4,546 5.27%
Republican Mike Moloney 4,517 5.24%
Green Barry Hermanson 1,947 2.26%
Libertarian Kevin Peterson (write-in) 2 0.00%
Invalid or blank votes 903 1.05%
Total votes 86,184 100.00%
Turnout   25.69%
Democratic hold

2008

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2008 United States House of Representatives elections[53]
Party Candidate Votes %
Democratic Jackie Speier (Incumbent) 200,442 75.2%
Republican Greg Conlon 49,258 18.5%
Peace and Freedom Nathalie Hrizi 5,793 2.2%
Green Barry Hermanson 5,776 2.1%
Libertarian Kevin Dempsey Peterson 5,584 2.0%
Total votes 266,853 100%
Turnout  
Democratic hold

2010

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2010 United States House of Representatives elections[54]
Party Candidate Votes %
Democratic Jackie Speier (Incumbent) 152,044 75.6%
Republican Mike Moloney 44,475 22.2%
Libertarian Mark Paul Williams 4,611 2.2%
Independent Joseph Michael Harding (write-in) 32 0.0%
Total votes 201,162 100%
Turnout  
Democratic hold

2012

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2012 United States House of Representatives elections[55]
Party Candidate Votes %
Democratic Nancy Pelosi 253,709 85.1%
Republican John Dennis 44,478 14.9%
Total votes 298,187 100.0%
Democratic hold

2014

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2014 United States House of Representatives elections[56]
Party Candidate Votes %
Democratic Nancy Pelosi (Incumbent) 160,067 83.3%
Republican John Dennis 32,197 16.7%
Total votes 192,264 100.0%
Democratic hold

2016

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2016 United States House of Representatives elections
Party Candidate Votes %
Democratic Nancy Pelosi (Incumbent) 274,035 80.9%
Independent Preston Picus 64,810 19.1%
Total votes 338,845 100%
Democratic hold

2018

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2018 United States House of Representatives elections
Party Candidate Votes %
Democratic Nancy Pelosi (Incumbent) 275,292 86.8%
Republican Lisa Remmer 41,780 13.2%
Total votes 317,072 100%
Democratic hold

2020

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2020 United States House of Representatives elections[57]
Party Candidate Votes %
Democratic Nancy Pelosi (incumbent) 281,776 77.6%
Democratic Shahid Buttar 81,174 22.4%
Total votes 362,950 100%
Democratic hold

2022

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2022 United States House of Representatives elections
Party Candidate Votes %
Democratic Barbara Lee (incumbent) 217,110 90.5%
Republican Stephen Slauson 22,859 9.5%
Total votes 239,969 100%
Democratic hold

2024

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2024 United States House of Representatives elections
Party Candidate Votes %
Democratic Lateefah Simon 185,176 65.4
Democratic Jennifer Tran 97,849 34.6
Total votes 283,025 100%
Democratic hold

See also

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Notes

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  1. 1 2 The district includes the same census blocks as drawn by the Citizens Redistricting Commission in 2021[1] and during mid-decade redistricting as passed in Prop 50 (2025),[2] with the exception of the loss of an unpopulated sliver of Alameda Island within San Francisco. As such, boundaries of the district will not change at the 2026 elections.

References

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  1. ↑ "Final CD Equivalency Files". California Citizens Redstricting Commission. Archived from the original on August 31, 2025. Retrieved December 30, 2025.
  2. ↑ "AB 604 Districts Equivalency File". California State Assembly Committee on Elections. Archived from the original on August 24, 2025. Retrieved December 30, 2025.
  3. 1 2 "2025 Cook PVI℠: District Map and List (119th Congress)". Cook Political Report. April 3, 2025. Retrieved April 5, 2025.
  4. ↑ "CA 2022 Congressional". Dave's Redistricting. January 4, 2022. Retrieved November 11, 2022.
  5. ↑ "Maps: Final Congressional Districts". Citizens Redistricting Commission. Archived from the original on March 10, 2013. Retrieved February 24, 2013.
  6. ↑ California Constitution, Article 21, Section 1(c) (congressional districts), Section 2(f) (state government districts).
  7. ↑ "Dra 2020".
  8. ↑ "Supplement to Statement of Vote" (PDF). November 8, 2022. Archived (PDF) from the original on January 8, 2025. Retrieved January 21, 2025.
  9. ↑ "Supplement to Statement of Vote" (PDF). November 5, 2024. Archived (PDF) from the original on April 9, 2025. Retrieved April 5, 2025.
  10. ↑ "California FIPS Codes". National Weather Service. Retrieved March 11, 2025.
  11. ↑ Martis, Kenneth C., The Historical Atlas of United States Congressional Districts, 1789–1983. New York: Macmillan Publishing, 1982.
  12. ↑ Martis, Kenneth C., The Historical Atlas of Political Parties in the United States Congress, 1789–1989. New York: Macmillan Publishing, 1989.
  13. ↑ "Congressional Directory: Browse 105th Congress". Archived from the original on February 17, 2011.
  14. ↑ "1932 election results" (PDF).
  15. ↑ "1934 election results" (PDF).
  16. ↑ "1936 election results" (PDF).
  17. ↑ "1938 election results" (PDF).
  18. ↑ "1940 election results" (PDF).
  19. ↑ "1942 election results" (PDF).
  20. ↑ "1944 election results" (PDF).
  21. ↑ "1946 election results" (PDF).
  22. ↑ "1948 election results" (PDF).
  23. ↑ "1950 election results" (PDF).
  24. ↑ "1952 election results" (PDF).
  25. ↑ "1954 election results" (PDF).
  26. ↑ "1956 election results" (PDF).
  27. ↑ "1958 election results" (PDF).
  28. ↑ "1960 election results" (PDF).
  29. ↑ "1962 election results" (PDF).
  30. ↑ "1964 election results" (PDF).
  31. ↑ "1966 election results" (PDF).
  32. ↑ "1968 election results" (PDF).
  33. ↑ "1970 election results" (PDF).
  34. ↑ "1972 election results" (PDF).
  35. ↑ "1974 election results" (PDF).
  36. ↑ "1976 election results" (PDF).
  37. ↑ "1978 election results" (PDF).
  38. ↑ "1980 election results" (PDF).
  39. ↑ "1982 election results" (PDF).
  40. ↑ "1984 election results" (PDF).
  41. ↑ "1986 election results" (PDF).
  42. ↑ "1988 election results" (PDF).
  43. ↑ "1990 election results" (PDF).
  44. ↑ "1992 election results" (PDF).
  45. ↑ "1994 election results" (PDF).
  46. ↑ "1996 election results" (PDF).
  47. ↑ "1998 election results" (PDF).
  48. ↑ "2000 election results" (PDF).
  49. ↑ "2002 general election results" (PDF). Archived from the original (PDF) on February 3, 2009.
  50. ↑ "2004 general election results" (PDF). Archived from the original (PDF) on August 21, 2008.
  51. ↑ "2006 general election results" (PDF). Archived from the original (PDF) on November 27, 2008.
  52. ↑ "2008 special election results" (PDF). Archived from the original (PDF) on July 3, 2008. Retrieved July 4, 2008.
  53. ↑ "2008 general election results" (PDF). Archived from the original (PDF) on December 21, 2008.
  54. ↑ "2010 general election results" (PDF). Archived from the original (PDF) on May 20, 2011. Retrieved February 21, 2011.
  55. ↑ "2012 general election results" (PDF). Archived from the original (PDF) on October 19, 2013.
  56. ↑ "2014 general election results". Archived from the original on December 21, 2014. Retrieved December 21, 2014.
  57. ↑ "California Election Results: 12th Congressional District". The New York Times. November 3, 2020. Retrieved January 4, 2021.
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