California's 15th congressional district

California's 15th congressional district is a congressional district in the U.S. state of California. The district is currently represented by Democrat Kevin Mullin.

California's 15th congressional district
Interactive map of district boundaries since 2023 (Used in the 2022 elections)
Representative	Kevin Mullin D–South San Francisco
Population (2023)	721,009
Median household income	$141,704[1]
Ethnicity	35.8% Asian 28.5% White 26.5% Hispanic 4.6% Two or more races 2.5% Black 1.2% Pacific Islander Americans 0.9% other
Cook PVI	D+26[2]

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.^[3]

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.

Recent election results from statewide races

Year	Office	Results[4][5][6]
2008	President	Obama 75% - 25%
2010	Governor	Brown 68% - 29%
	Lt. Governor	Newsom 66% - 28%
	Secretary of State	Bowen 67% - 25%
	Attorney General	Harris 59% - 33%
	Treasurer	Lockyer 70% - 23%
	Controller	Chiang 68% - 24%
2012	President	Obama 76% - 24%
2014	Governor	Brown 78% - 22%
2016	President	Clinton 77% - 18%
2018	Governor	Newsom 76% - 24%
	Attorney General	Becerra 78% - 22%
2020	President	Biden 78% - 20%
2022	Senate (Reg.)	Padilla 77% - 23%
	Governor	Newsom 76% - 24%
	Lt. Governor	Kounalakis 75% - 25%
	Secretary of State	Weber 75% - 25%
	Attorney General	Bonta 75% - 25%
	Treasurer	Ma 75% - 25%
	Controller	Cohen 69% - 31%
2024	President	Harris 72% - 24%
	Senate (Reg.)	Schiff 73% - 27%

Composition

FIPS County Code[7]	County	Seat	Population
75	San Francisco	San Francisco	808,988
81	San Mateo	Redwood City	737,888

Under the 2020 redistricting, California's 15th congressional district is located in the San Francisco Bay Area, encompassing the east coast of San Mateo County and the southeast side of the City and County of San Francisco. The area in San Mateo County includes 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; and the census-designated places North Fair Oaks, Broadmoor, Highlands, Baywood Park, and Emerald Lake Hills. The area in San Francisco includes the neighborhoods of Crocker-Amazon, Excelsior, Little Hollywood, Mission Terrace, Oceanview, Outer Mission, Portola, and Visitacion Valley.

San Mateo County 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.

Cities and CDPs with 10,000 or more people

• San Francisco – 808,988
• San Mateo – 105,661
• Daly City – 100,007
• Redwood City – 84,292
• South San Francisco – 66,105
• San Bruno – 43,908
• Foster City – 33,805
• Menlo Park – 33,780
• Burlingame – 31,386
• East Palo Alto – 30,034
• San Carlos – 28,557
• Belmont – 28,335
• Millbrae – 23,216
• North Fair Oaks – 14,027
• Hillsborough – 11,387

2.500 – 10,000 people

• Atherton – 7,188
• Brisbane – 4,851
• Broadmoor – 4,411
• Emerald Lake Hills – 4,406

List of members representing the district

Member	Party	Dates	Cong ress	Electoral history	Counties
District created March 4, 1933
William I. Traeger (Los Angeles)	Republican	March 4, 1933 – January 3, 1935	73rd	Elected in 1932. Lost re-election.	1933–1963 Los Angeles
John M. Costello (Los Angeles)	Democratic	January 3, 1935 – January 3, 1945	74th 75th 76th 77th 78th	Elected in 1934. Re-elected in 1936. Re-elected in 1938. Re-elected in 1940. Re-elected in 1942. Lost renomination.
Gordon L. McDonough (Los Angeles)	Republican	January 3, 1945 – January 3, 1963	79th 80th 81st 82nd 83rd 84th 85th 86th 87th	Elected in 1944. Re-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. Re-elected in 1960. Lost re-election.
John J. McFall (Manteca)	Democratic	January 3, 1963 – January 3, 1975	88th 89th 90th 91st 92nd 93rd	Redistricted from the 11th district 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 14th district.	1963–1967 San Joaquin, Stanislaus
					1967–1973 Northeastern Merced, San Joaquin, Stanislaus
					1973–1975 Eastern Sacramento, San Joaquin, Stanislaus
Bernice F. Sisk (Fresno)	Democratic	January 3, 1975 – January 3, 1979	94th 95th	Redistricted from the 16th district and re-elected in 1974. Re-elected in 1976.	1975–1983 Western Fresno, Madera, Mariposa, Merced, Stanislaus
Tony Coelho (Merced)	Democratic	January 3, 1979 – June 15, 1989	96th 97th 98th 99th 100th 101st	Elected in 1978. Re-elected in 1980. Re-elected in 1982. Re-elected in 1984. Re-elected in 1986. Re-elected in 1988. Resigned.
					1983–1993 Western Fresno, Mariposa, Merced, Stanislaus
Vacant		June 15, 1989 – September 12, 1989	101st
Gary Condit (Ceres)	Democratic	September 12, 1989 – January 3, 1993	101st 102nd	Elected to finish Coelho's term. Re-elected in 1990. Redistricted to the 18th district.
Norman Mineta (San Jose)	Democratic	January 3, 1993 – October 10, 1995	103rd 104th	Redistricted from the 13th district and re-elected in 1992. Re-elected in 1994. Resigned to accept a position with Lockheed Martin.	1993–2003 Western Santa Clara, northern Santa Cruz
Vacant		October 10, 1995 – December 12, 1995	104th
Tom Campbell (Campbell)	Republican	December 12, 1995 – January 3, 2001	104th 105th 106th	Elected to finish Mineta's term. Re-elected in 1996. Re-elected in 1998. Retired to run for U.S. Senator.
Mike Honda (San Jose)	Democratic	January 3, 2001 – January 3, 2013	107th 108th 109th 110th 111th 112th	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 17th district.
					2003–2013 Western/northwestern Santa Clara
Eric Swalwell (Dublin)	Democratic	January 3, 2013 – January 3, 2023	113th 114th 115th 116th 117th	Elected in 2012. Re-elected in 2014. Re-elected in 2016. Re-elected in 2018. Re-elected in 2020. Redistricted to the 14th district.	2013–2023 Eastern/southern Alameda, southern Contra Costa
Kevin Mullin (South San Francisco)	Democratic	January 3, 2023 – present	118th 119th	Elected in 2022. Re-elected in 2024.	2023–present Eastern San Mateo, southern San Francisco

Election results

1932

1932 United States House of Representatives elections in California^[8]

Party		Candidate	Votes	%
	Republican	William I. Traeger	67,390	52.8
	Democratic	John M. Costello	57,518	45.1
	No party	Errol Shour (write-in)	2,721	2.1
Total votes			127,663	100.0
Turnout
	Republican win (new seat)

1934

1934 United States House of Representatives elections in California^[9]

Party		Candidate	Votes	%
	Democratic	John M. Costello	67,247	50.5
	Republican	William I. Traeger (Incumbent)	65,858	49.5
Total votes			133,161	100.0
Turnout
	Democratic gain from Republican

1936

1936 United States House of Representatives elections in California^[10]

Party		Candidate	Votes	%
	Democratic	John M. Costello (Incumbent)	99,107	69.0
	Republican	Ernest Sawyer	44,559	31.0
Total votes			143,718	100.0
Turnout
	Democratic hold

1938

1938 United States House of Representatives elections in California^[11]

Party		Candidate	Votes	%
	Democratic	John M. Costello (Incumbent)	83,086	60.1
	Republican	O. D. Thomas	51,483	37.3
	Communist	Emil Freed	2,951	2.1
Total votes			138,132	100.0
Turnout
	Democratic hold

1940

1940 United States House of Representatives elections in California^[12]

Party		Candidate	Votes	%
	Democratic	John M. Costello (Incumbent)	94,435	56.2
	Republican	Norris Nelson	71,667	42.6
	Communist	Emil Freed	2,004	1.2
Total votes			168,155	100.0
Turnout
	Democratic hold

1942

1942 United States House of Representatives elections in California^[13]

Party		Candidate	Votes	%
	Democratic	John M. Costello (Incumbent)	88,798	86.1
	Prohibition	B. Tarkington Dowden	10,185	9.9
	Communist	Philip Gardner	3,989	3.9
Total votes			103,094	100.0
Turnout
	Democratic hold

1944

1944 United States House of Representatives elections in California^[14]

Party		Candidate	Votes	%
	Republican	Gordon L. McDonough	100,305	56.6
	Democratic	Hal Styles	73,655	41.6
	Prohibition	Johannes Nielson-Lange	2,694	1.5
Total votes			177,081	100.0
Turnout
	Republican gain from Democratic

1946

1946 United States House of Representatives elections in California^[15]

Party		Candidate	Votes	%
	Republican	Gordon L. McDonough (Incumbent)	106,020	99.4
Turnout			106,628
	Republican hold

1948

1948 United States House of Representatives elections in California^[16]

Party		Candidate	Votes	%
	Republican	Gordon L. McDonough (Incumbent)	131,933	83.0
	Progressive	Maynard Omerberg	27,007	17.0
Total votes			159,031	100.0
Turnout
	Republican hold

1950

1950 United States House of Representatives elections in California^[17]

Party		Candidate	Votes	%
	Republican	Gordon L. McDonough (Incumbent)	112,704	87.1
	Progressive	Jeanne Cole	16,559	12.8
Total votes			129,352	100.0
Turnout
	Republican hold

1952

1952 United States House of Representatives elections in California^[18]

Party		Candidate	Votes	%
	Republican	Gordon L. McDonough (Incumbent)	142,545	99.7
Turnout			142,932
	Republican hold

1954

1954 United States House of Representatives elections in California^[19]

Party		Candidate	Votes	%
	Republican	Gordon L. McDonough (Incumbent)	77,651	56.9
	Democratic	Frank O'Sullivan	58,785	43.1
Total votes			136,445	100.0
Turnout
	Republican hold

1956

1956 United States House of Representatives elections in California^[20]

Party		Candidate	Votes	%
	Republican	Gordon L. McDonough (Incumbent)	97,182	57.9
	Democratic	Emery Petty	70,681	42.1
Total votes			167,865	100.0
Turnout
	Republican hold

1958

1958 United States House of Representatives elections in California^[21]

Party		Candidate	Votes	%
	Republican	Gordon L. McDonough (Incumbent)	77,267	52.0
	Democratic	Emery Petty	71,192	48.0
Total votes			148,482	100.0
Turnout
	Republican hold

1960

1960 United States House of Representatives elections in California^[22]

Party		Candidate	Votes	%
	Republican	Gordon L. McDonough (Incumbent)	89,234	51.3
	Democratic	Norman Martell	84,650	48.5
Total votes			174,035	100.0
Turnout
	Republican hold

1962

1962 United States House of Representatives elections in California^[23]

Party		Candidate	Votes	%
	Democratic	John J. McFall (Incumbent)	97,322	70
	Republican	Clifford B. Bull	41,726	30
Total votes			139,048	100
Turnout
	Democratic hold

1964

1964 United States House of Representatives elections in California^[24]

Party		Candidate	Votes	%
	Democratic	John J. McFall (Incumbent)	109,560	70.9
	Republican	Kenneth Gibson	44,977	29.1
Total votes			154,537	100.0
Turnout
	Democratic hold

1966

1966 United States House of Representatives elections in California^[25]

Party		Candidate	Votes	%
	Democratic	John J. McFall (Incumbent)	81,733	57
	Republican	Sam Van Dyken	61,550	43
Total votes			143,283	100
Turnout
	Democratic hold

1968

1968 United States House of Representatives elections in California^[26]

Party		Candidate	Votes	%
	Democratic	John J. McFall (Incumbent)	85,761	53.8
	Republican	Sam Van Dyken	73,685	46.2
Total votes			159,446	100.0
Turnout
	Democratic hold

1970

1970 United States House of Representatives elections in California^[27]

Party		Candidate	Votes	%
	Democratic	John J. McFall (Incumbent)	98,442	63.1
	Republican	Sam Van Dyken	55,546	35.6
	American Independent	Francis E. "Gill" Gillings	1,994	1.3
Total votes			155,982	100.0
Turnout
	Democratic hold

1972

1972 United States House of Representatives elections in California^[28]

Party		Candidate	Votes	%
	Democratic	John J. McFall (Incumbent)	145,273	100.0
Turnout
	Democratic hold

1974

1974 United States House of Representatives elections in California^[29]

Party		Candidate	Votes	%
	Democratic	Bernice F. Sisk (Incumbent)	80,205	72
	Republican	Carol Harner	31,361	28
Total votes			111,566	100
Turnout
	Democratic hold

1976

1976 United States House of Representatives elections in California^[30]

Party		Candidate	Votes	%
	Democratic	Bernice F. Sisk (Incumbent)	92,735	72.2
	Republican	Carol Harner	35,700	27.8
Total votes			128,435	100.0
Turnout
	Democratic hold

1978

1978 United States House of Representatives elections in California^[31]

Party		Candidate	Votes	%
	Democratic	Tony Coelho	75,212	60.1
	Republican	Chris Patterakis	49,914	39.9
Total votes			125,126	100.0
Turnout
	Democratic hold

1980

1980 United States House of Representatives elections in California^[32]

Party		Candidate	Votes	%
	Democratic	Tony Coelho (Incumbent)	108,072	71.8
	Republican	Ron Schwartz	37,895	25.2
	Libertarian	Michael L. Pullen	4,524	3.0
Total votes			150,491	100.0
Turnout
	Democratic hold

1982

1982 United States House of Representatives elections in California^[33]

Party		Candidate	Votes	%
	Democratic	Tony Coelho (Incumbent)	86,022	63.7
	Republican	Ed Bates	45,948	34.0
	Libertarian	Stephen L. Gerringer	3,073	2.3
Total votes			135,043	100.0
Turnout
	Democratic hold

1984

1984 United States House of Representatives elections in California^[34]

Party		Candidate	Votes	%
	Democratic	Tony Coelho (Incumbent)	109,590	65.5
	Republican	Carol Harner	54,730	32.7
	Libertarian	Richard M. Harris	3,086	1.8
Total votes			167,406	100.0
Turnout
	Democratic hold

1986

1986 United States House of Representatives elections in California^[35]

Party		Candidate	Votes	%
	Democratic	Tony Coelho (Incumbent)	93,600	71.0
	Republican	Carol Harner	35,793	27.2
	Libertarian	Richard M. Harris	2,382	1.8
Total votes			131,775	100.0
Turnout
	Democratic hold

1988

1988 United States House of Representatives elections in California^[36]

Party		Candidate	Votes	%
	Democratic	Tony Coelho (Incumbent)	118,710	69.8
	Republican	Carol Harner	47,957	28.2
	Libertarian	Richard M. Harris	3,526	2.1
Total votes			170,193	100.0
Total votes			70,753	41.6
Turnout
	Democratic hold

1989 (Special)

1989 special election^[37]

Party		Candidate	Votes	%
	Democratic	Gary Condit		57.1
	Republican	Claire L. Berryhill		35.0
	Republican	Robert J. Weimer		3.3
	Republican	Cliff Burris		2.6
	Libertarian	Roy Shrimp		0.9
	Republican	Chris Patterakis		0.4
	Republican	David M. "Dave" Williams		0.4
	Republican	Jack E. McCoy		0.2
Total votes				100.0
Turnout
	Democratic hold

1990

1990 United States House of Representatives elections in California^[38]

Party		Candidate	Votes	%
	Democratic	Gary Condit (Incumbent)	97,147	66.2
	Republican	Cliff Burris	49,634	33.8
Total votes			146,781	100.0
Turnout
	Democratic hold

1992

1992 United States House of Representatives elections in California^[39]

Party		Candidate	Votes	%
	Democratic	Norm Mineta (Incumbent)	168,617	63.5
	Republican	Robert Wick	82,875	31.2
	Libertarian	Duggan Dieterly	13,293	5.0
	No party	Futrell (write-in)	585	0.2
Total votes			265,370	100.0
Turnout
	Democratic hold

1994

1994 United States House of Representatives elections in California^[40]

Party		Candidate	Votes	%
	Democratic	Norm Mineta (Incumbent)	119,921	59.90
	Republican	Robert Wick	80,266	40.09
	No party	Liu (write-in)	17	0.01
Total votes			200,204	100.0
Turnout
	Democratic hold

1995 (Special)

List of special elections to the United States House of Representatives in California^[41]

Party		Candidate	Votes	%
	Republican	Tom Campbell	54,372	58.85
	Democratic	Jerry Estruth	33,051	35.77
	Independent	Linh Kieu Dao	4,922	5.33
	Reform	Connor Vlakancic (write-in)	42	0.05
Total votes			92,387	100.00
Turnout
	Republican gain from Democratic

1996

1996 United States House of Representatives elections in California^[42]

Party		Candidate	Votes	%
	Republican	Tom Campbell (Incumbent)	132,737	58.6
	Democratic	Dick Lane	79,048	34.9
	Reform	Valli Sharpe-Geisler	6,230	2.7
	Libertarian	Ed Wimmers	5,481	2.4
	Natural Law	Bruce Currivan	3,372	1.4
	Republican	Linh Dao (write-in)	9	0.0
	Republican	Connor Vlakancic (write-in)	9	0.0
Total votes			226,886	100.0
Turnout
	Republican hold

1998

1998 United States House of Representatives elections in California^[43]

Party		Candidate	Votes	%
	Republican	Tom Campbell (Incumbent)	111,876	60.54
	Democratic	Dick Lane	70,059	37.91
	Natural Law	Frank Strutner	2,843	1.54
	Republican	Constant Vlakancic (write-in)	8	0.00
Total votes			184,786	100.0
Turnout
	Republican hold

2000

^[44]

Party		Candidate	Votes	%
	Democratic	Mike Honda	128,545	54.3
	Republican	Jim Cunneen	99,866	42.2
	Libertarian	Ed Wimmers	4,820	2.0
	Natural Law	Douglas C. Gorney	3,591	1.5
	No party	Phillip Kronzer (write-in)	82	0.0
Total votes			236,904	100.0
Turnout
	Democratic gain from Republican

2002

2002 United States House of Representatives elections in California^[45]

Party		Candidate	Votes	%
	Democratic	Mike Honda (Incumbent)	87,482	65.8
	Republican	Linda Rae Hermann	41,251	31.0
	Libertarian	Jeff Landauer	4,289	3.2
Total votes			133,022	100.0
Turnout
	Democratic hold

2004

2004 United States House of Representatives elections in California^[46]

Party		Candidate	Votes	%
	Democratic	Mike Honda (Incumbent)	154,385	72.1
	Republican	Raymond Chukwu	59,953	27.9
Total votes			214,338	100.0
Turnout
	Democratic hold

2006

2006 United States House of Representatives elections in California^[47]

Party		Candidate	Votes	%
	Democratic	Mike Honda (Incumbent)	115,532	72.4
	Republican	Raymond Chukwu	44,186	27.6
Total votes			186,718	100.0
Turnout
	Democratic hold

2008

2008 United States House of Representatives elections in California^[48]

Party		Candidate	Votes	%
	Democratic	Mike Honda (Incumbent)	170,977	71.66
	Republican	Joyce Stoer Cordi	55,489	23.26
	Green	Peter Myers	12,123	5.08
Total votes			238,589	100.0
Turnout
	Democratic hold

2010

2010 United States House of Representatives elections in California^[49]

Party		Candidate	Votes	%
	Democratic	Mike Honda (Incumbent)	126,147	67.60
	Republican	Scott Kirkland	60,468	32.40
Total votes			186,615	100.00
Turnout
	Democratic hold

2012

2012 United States House of Representatives elections in California^[50]

Party		Candidate	Votes	%
	Democratic	Eric Swalwell	120,388	52.1
	Democratic	Pete Stark (Incumbent)	110,646	47.9
Total votes			231,034	100.00
	Democratic hold

2014

2014 United States House of Representatives elections in California^[51]

Party		Candidate	Votes	%
	Democratic	Eric Swalwell (Incumbent)	99,756	69.8
	Republican	Hugh Bussell	43,150	30.2
Total votes			142,906	100.00
	Democratic hold

2016

2016 United States House of Representatives elections in California^[52]

Party		Candidate	Votes	%
	Democratic	Eric Swalwell (Incumbent)	198,578	73.8
	Republican	Danny R. Turner	70,619	26.2
Total votes			269,197	100
	Democratic hold

2018

2018 United States House of Representatives elections in California^[53]

Party		Candidate	Votes	%
	Democratic	Eric Swalwell (Incumbent)	177,989	73.0
	Republican	Rudy L. Peters Jr.	65,940	27.0
Total votes			243,929	100
	Democratic hold

2020

2020 United States House of Representatives elections in California

Party		Candidate	Votes	%
	Democratic	Eric Swalwell (incumbent)	242,991	70.9
	Republican	Alison Hayden	99,710	29.1
Total votes			342,701	100.0
	Democratic hold

2022

2022 United States House of Representatives elections in California

Party		Candidate	Votes	%
	Democratic	Kevin Mullin	108,077	55.5
	Democratic	David Canepa	86,797	44.5
Total votes			194,874	100.0
	Democratic hold

2024

2024 United States House of Representatives elections in California

Party		Candidate	Votes	%
	Democratic	Kevin Mullin (incumbent)	211,648	73.1
	Republican	Anna Cheng Kramer	77,896	26.9
Total votes			289,544	100.0
	Democratic hold

See also

• List of United States congressional districts
• California's congressional districts