California's 15th State Assembly district

California's 15th State Assembly district
California's 15th State Assembly district
Current assemblymember
	Anamarie Avila Farias; D–Martinez
Population (2020)	512,289
Demographics	37.03% White; 9.78% Black; 31.96% Latino; 13.78% Asian; 0.28% Native American; 0.71% Hawaiian/Pacific Islander; 0.67% other; 5.79% remainder of multiracial;
Registered voters	310,142
Registration	69.54% Democratic; 5.64% Republican; 21.01% No party preference

California's 15th State Assembly district is one of 80 California State Assembly districts. It is currently represented by Democrat Anamarie Avila Farias of Martinez.^[3]

District profile

The district encompasses the northern coastal East Bay from Martinez to Brentwood. The district is centered on Concord and Antioch.

Contra Costa County – 43.86%^[1]

Election results from statewide races

Year	Office	Results^[4]
2022	Senator	Padilla 67.2% – 32.8%
2022	Governor	Newsom 65.3 – 34.7%
2021	Recall	No 71.5 – 28.5%
2020	President	Biden 71.8 – 25.8%
2018	Governor	Newsom 69.2 – 30.8%
2018	Senator	Feinstein 57.2 – 42.8%
2016	President	Clinton 69.7 – 24.5%
2016	Senator	Harris 69.1 – 30.9%
2014	Governor	Brown 70.4 – 29.6%
2012	President	Obama 68.7 – 28.7%
2012	Senator	Feinstein 71.8 – 28.2%

List of assembly members representing the district

Due to redistricting, the 15th district has been moved around different parts of the state. The current iteration resulted from the 2021 redistricting by the California Citizens Redistricting Commission.

Assembly members	Party	Years served	Counties represented	Notes
Charles F. McGlashan	Republican	January 5, 1885 – January 3, 1887	Nevada
John I. Sykes		January 3, 1887 – January 5, 1891
Thomas C. Hocking		January 5, 1891 – January 2, 1893
J. L. Sargent	Democratic	January 2, 1893 – January 7, 1895	Amador
James H. Tibbits	Republican	January 7, 1895 – January 4, 1897
Anthony Caminetti	Democratic	January 4, 1897 – January 1, 1901
Frederick L. Stewart	Republican	January 1, 1901 – January 5, 1903
Percival S. King		January 5, 1903 – January 7, 1907	Napa
Frank W. Bush		January 7, 1907 – January 4, 1909
Walter B. Griffiths		January 4, 1909 – January 6, 1913
Hugh B. Bradford	Democratic	January 6, 1913 – January 4, 1915	Sacramento
Lee Gebhart	Progressive	January 4, 1915 – January 3, 1921		Changed his party to Republican when he ran for a 2 term.
Percy G. West	Republican	January 3, 1921 – January 5, 1931
Forsythe Charles Clowdsley		January 5, 1931 – January 2, 1933	San Joaquin
William W. Hoffman		January 2, 1933 – January 7, 1935	Alameda
Leon M. Donihue	Democratic	January 7, 1935 – January 2, 1939
Bernard A. Sheridan	Republican	January 2, 1939 – January 3, 1949
Luther H. Lincoln	Republican	January 3, 1949 – January 5, 1959
Nicholas C. Petris	Democratic	January 5, 1959 – January 2, 1967
March Fong Eu	Democratic	January 2, 1967 – November 30, 1974
Vacant		November 30, 1974 – March 13, 1975		Carlos Bee was the Assemblymember-elect for the 14th district, and was an incumbent for the 13th district. He died on November 29, 1974, before he was sworn in for this seat.
S. Floyd Mori	Democratic	March 13, 1975 – November 30, 1980		Sworn in after winning special election.^[5]
Gilbert Marguth	Republican	December 1, 1980 – November 30, 1982
William P. Baker		December 6, 1982 – November 30, 1992	Alameda, Contra Costa
Richard Rainey		December 7, 1992 – November 30, 1996
Lynne Leach		December 2, 1996 – November 30, 2002
Guy Houston		December 2, 2002 – November 30, 2008	Alameda, Contra Costa, Sacramento, San Joaquin	Retired to unsuccessfully run for Contra Costa County Board of Supervisors
Joan Buchanan	Democratic	December 1, 2008 – November 30, 2012	Alameda, Contra Costa, Sacramento, San Joaquin	Redistricted to the 16th district
Nancy Skinner		December 3, 2012 – November 30, 2014	Alameda, Contra Costa	Redistricted from the 16th district
Tony Thurmond		December 1, 2014 – November 30, 2018		Retired to successfully run for California State Superintendent of Public Instruction
Buffy Wicks		December 3, 2018 – November 30, 2022		Redistricted to the 14th district
Tim Grayson		December 5, 2022 – November 30, 2024		Redistricted from the 14th district
Anamarie Avila Farias		December 2, 2024 – present	Contra Costa

Election results (1990–present)

2024

2024 California State Assembly 15th district election^[6]^[7]
Primary election
Party		Candidate	Votes	%
	Republican	Sonia Ledo	30,962	31.9
	Democratic	Anamarie Avila Farias	29,525	30.4
	Democratic	Monica Wilson	24,792	25.5
	Democratic	Karen Mitchoff	11,917	12.3
Total votes			97,196	100.0
General election
	Democratic	Anamarie Avila Farias	131,850	64.1
	Republican	Sonia Ledo	73,762	35.9
Total votes			205,612	100.0
	Democratic hold

2022

2022 California State Assembly 15th district election^[8]^[9]
Primary election
Party		Candidate	Votes	%
	Democratic	Tim Grayson	61,742	68.4
	Republican	Janell Proctor	28,501	31.6
Total votes			90,243	100.0
General election
	Democratic	Tim Grayson	100,712	67.3
	Republican	Janell Proctor	48,911	32.7
Total votes			149,623	100.0
	Democratic hold

2020

2020 California State Assembly 15th district election^[10]^[11]
Primary election
Party		Candidate	Votes	%
	Democratic	Buffy Wicks (incumbent)	135,623	83.6
	No party preference	Sara Brink	13,841	8.5
	Republican	Jeanne M. Solnordal	12,791	7.9
Total votes			162,255	100.0
General election
	Democratic	Buffy Wicks (incumbent)	204,108	84.7
	No party preference	Sara Brink	36,732	15.3
Total votes			240,840	100.0
	Democratic hold

2018

2018 California State Assembly 15th district election^[12]^[13]
Primary election
Party		Candidate	Votes	%
	Democratic	Buffy Wicks	37,141	31.4
	Democratic	Jovanka Beckles	18,733	15.8
	Democratic	Dan Kalb	18,007	15.2
	Democratic	Judy Appel	13,591	11.5
	Democratic	Rochelle Pardue-Okimoto	9,826	8.3
	Republican	Pranav Jandhyala	6,946	5.9
	Democratic	Andy Katz	6,209	5.2
	Democratic	Ben Bartlett	3,949	3.3
	Democratic	Cheryl Sudduth	1,493	1.2
	Democratic	Raquella Thaman	1,007	0.9
	Democratic	Owen Poindexter	819	0.7
	Democratic	Sergey Vikramsingh Piterman	689	0.6
Total votes			118,410	100.0
General election
	Democratic	Tim Grayson	104,583	53.6
	Democratic	Jovanka Beckles	90,405	46.4
Total votes			194,988	100.0
	Democratic hold

2016

2016 California State Assembly 15th district election^[14]^[15]
Primary election
Party		Candidate	Votes	%
	Democratic	Tony Thurmond (incumbent)	124,136	91.1
	Republican	Claire Chiara	12,083	8.9
Total votes			136,219	100.0
General election
	Democratic	Tony Thurmond (incumbent)	189,530	89.4
	Republican	Claire Chiara	22,528	10.6
Total votes			212,058	100.0
	Democratic hold

2014

2014 California State Assembly 15th district election^[16]^[17]
Primary election
Party		Candidate	Votes	%
	Democratic	Elizabeth Echols	21,664	31.1
	Democratic	Tony Thurmond	16,963	24.4
	Democratic	Pamela Price	11,898	17.1
	Republican	Rich Kinney	7,531	10.8
	Democratic	Sam Kang	4,630	6.7
	Democratic	Clarence Hunt	3,329	4.8
	Peace and Freedom	Eugene E. Ruyle	2,426	3.5
	No party preference	Bernt Rainer Wahl	1,132	1.6
Total votes			69,573	100.0
General election
	Democratic	Tony Thurmond	66,661	54.3
	Democratic	Elizabeth Echols	56,071	45.7
Total votes			122,732	100.0
	Democratic hold

2012

2012 California State Assembly 15th district election^[18]^[19]
Primary election
Party		Candidate	Votes	%
	Democratic	Nancy Skinner (incumbent)	68,479	99.8
	Peace and Freedom	Eugene Ruyle (write-in)	105	0.2
Total votes			68,584	100.0
General election
	Democratic	Nancy Skinner (incumbent)	164,929	86.8
	Peace and Freedom	Eugene Ruyle	25,167	13.2
Total votes			190,096	100.0
	Democratic hold

2010

2010 California State Assembly 15th district election^[20]
Party		Candidate	Votes	%
	Democratic	Joan Buchanan (incumbent)	104,441	53.4
	Republican	H. Abram Wilson	91,378	46.6
Total votes			195,819	100.0
	Democratic hold

2008

2008 California State Assembly 15th district election^[21]
Party		Candidate	Votes	%
	Democratic	Joan Buchanan	125,897	52.2
	Republican	H. Abram Wilson	115,096	47.8
Total votes			240,993	100.0
	Democratic gain from Republican

2006

2006 California State Assembly 15th district election^[22]
Party		Candidate	Votes	%
	Republican	Guy Houston (incumbent)	89,039	54.8
	Democratic	Terry Coleman	73,466	45.2
Total votes			157,505	100.0
	Republican hold

2004

2004 California State Assembly 15th district election^[23]
Party		Candidate	Votes	%
	Republican	Guy Houston (incumbent)	113,079	55.2
	Democratic	Elaine D. Shaw	91,709	44.8
Total votes			204,788	100.0
	Republican hold

2002

2002 California State Assembly 15th district election^[24]
Party		Candidate	Votes	%
	Republican	Guy Houston	73,322	53.7
	Democratic	Donna Gerber	63,349	46.3
Total votes			136,671	100.0
	Republican hold

2000

2000 California State Assembly 15th district election^[25]
Party		Candidate	Votes	%
	Republican	Lynne C. Leach (incumbent)	123,522	61.3
	Democratic	Gregory James Rolen	77,901	38.7
Total votes			201,423	100.0
	Republican hold

1998

1998 California State Assembly 15th district election^[26]
Party		Candidate	Votes	%
	Republican	Lynne C. Leach (incumbent)	94,589	59.4
	Democratic	Charles W. Brydon	60,662	38.1
	Libertarian	R. Duncan Wheat	4,110	2.6
Total votes			159,361	100.0
	Republican hold

1996

1996 California State Assembly 15th district election^[27]
Party		Candidate	Votes	%
	Republican	Lynne C. Leach (incumbent)	89,328	49.0
	Democratic	Gail Murray	87,957	48.2
	Natural Law	Martin Sproul	5,284	2.9
Total votes			152,569	100.0
	Republican hold

1994

1994 California State Assembly 15th district election^[28]
Party		Candidate	Votes	%
	Republican	Richard Rainey (incumbent)	103,407	67.6
	Democratic	David B. Kearns	49,554	32.4
Total votes			152,961	100.0
	Republican hold

1992

1992 California State Assembly 15th district election^[29]
Party		Candidate	Votes	%
	Republican	Richard Rainey	109,037	58.6
	Democratic	Charles W. Brydon	77,170	41.4
Total votes			186,207	100.0
	Republican hold

1990

1990 California State Assembly 15th district election^[30]
Party		Candidate	Votes	%
	Republican	Bill Baker (incumbent)	75,624	55.1
	Democratic	Wendell H. Williams	61,725	44.9
Total votes			137,349	100.0
	Republican hold

References

1 2 3 "Assembly District 15, District map".
↑ "Report of Registration as of July 3, 2020 Registration by State Assembly District" (PDF).
↑ "Maria Ávila Farías Biography". Retrieved May 27, 2025.
↑ "2020 Presidential by Legislative District & Most Recent Election Result". CNalysis. Archived from the original on June 4, 2021. Retrieved June 9, 2021.
↑ "S. Floyd Mori Oath of Office" (PDF). clerk.assembly.ca.gov.
↑ "March 5, 2024, Presidential Primary Election - State Assemblymember" (PDF). Secretary of State of California. Retrieved November 18, 2025.
↑ "November 5, 2024, General Election - State Assemblymember" (PDF). Secretary of State of California. Retrieved November 18, 2025.
↑ "June 7, 2022, Primary Election - State Assemblymember" (PDF). Secretary of State of California. Retrieved November 18, 2025.
↑ "November 8, 2022, General Election - State Assemblymember" (PDF). Secretary of State of California. Retrieved November 18, 2025.
↑ "March 3, 2020, Presidential Primary Election - State Assemblymember" (PDF). Secretary of State of California. Retrieved November 18, 2025.
↑ "November 3, 2020, General Election - State Assemblymember" (PDF). Secretary of State of California. Retrieved November 18, 2025.
↑ "June 5, 2018, Statewide Direct Primary Election - State Assemblymember" (PDF). Secretary of State of California. Retrieved November 18, 2025.
↑ "November 6, 2018, General Election - State Assemblymember" (PDF). Secretary of State of California. Retrieved November 18, 2025.
↑ "June 7, 2016, Presidential Primary Election - State Assemblymember" (PDF). Secretary of State of California. Retrieved November 18, 2025.
↑ "November 8, 2016, General Election - State Assemblymember" (PDF). Secretary of State of California. Retrieved November 18, 2025.
↑ "June 3, 2014, Statewide Direct Primary Election - State Assemblymember" (PDF). Secretary of State of California. Retrieved November 18, 2025.
↑ "November 4, 2014, General Election - Member of the State Assembly" (PDF). Secretary of State of California. Retrieved November 18, 2025.
↑ "June 5, 2012, Presidential Primary Election - State Assemblymember" (PDF). Secretary of State of California. Retrieved November 18, 2025.
↑ "November 6, 2012, General Election - State Assemblymember" (PDF). Secretary of State of California. Retrieved November 18, 2025.
↑ "November 2, 2010, General Election - State Assemblymember" (PDF). Secretary of State of California. Retrieved November 18, 2025.
↑ "November 4, 2008, Presidential General Election - State Assemblymember" (PDF). Secretary of State of California. Retrieved November 18, 2025.
↑ "November 7, 2006, General Election - Member of the State Assembly" (PDF). Secretary of State of California. Retrieved November 18, 2025.
↑ "November 2, 2004, Presidential General Election - Member of the State Assembly" (PDF). Secretary of State of California. Retrieved November 18, 2025.
↑ "November 5, 2002, General Election - Member of the State Assembly" (PDF). Secretary of State of California. Retrieved November 18, 2025.
↑ "November 7, 2000, General Election - Member of the State Assembly" (PDF). Secretary of State of California. Retrieved November 18, 2025.
↑ "November 3, 1998, General Election - Member of the State Assembly" (PDF). Secretary of State of California. Retrieved November 18, 2025.
↑ "November 5, 1996, General Election - Member of the State Assembly" (PDF). Secretary of State of California. Retrieved November 18, 2025.
↑ "November 8, 1994, General Election - Member of the State Assembly" (PDF). Secretary of State of California. Retrieved November 18, 2025.
↑ "November 3, 1992, General Election - Member of the State Assembly" (PDF). Secretary of State of California. Retrieved November 18, 2025.
↑ "November 6, 1990, General Election - Member of the State Assembly" (PDF). Secretary of State of California. Retrieved November 18, 2025.

External links

District map from the California Citizens Redistricting Commission

[assembly15-1] 1 2 3 "Assembly District 15, District map".

[registration-2] "Report of Registration as of July 3, 2020 Registration by State Assembly District" (PDF).

[3] "Maria Ávila Farías Biography". Retrieved May 27, 2025.

[4] "2020 Presidential by Legislative District & Most Recent Election Result". CNalysis. Archived from the original on June 4, 2021. Retrieved June 9, 2021.

[5] "S. Floyd Mori Oath of Office" (PDF). clerk.assembly.ca.gov.

[6] "March 5, 2024, Presidential Primary Election - State Assemblymember" (PDF). Secretary of State of California. Retrieved November 18, 2025.

[7] "November 5, 2024, General Election - State Assemblymember" (PDF). Secretary of State of California. Retrieved November 18, 2025.

[8] "June 7, 2022, Primary Election - State Assemblymember" (PDF). Secretary of State of California. Retrieved November 18, 2025.

[9] "November 8, 2022, General Election - State Assemblymember" (PDF). Secretary of State of California. Retrieved November 18, 2025.

[10] "March 3, 2020, Presidential Primary Election - State Assemblymember" (PDF). Secretary of State of California. Retrieved November 18, 2025.

[11] "November 3, 2020, General Election - State Assemblymember" (PDF). Secretary of State of California. Retrieved November 18, 2025.

[12] "June 5, 2018, Statewide Direct Primary Election - State Assemblymember" (PDF). Secretary of State of California. Retrieved November 18, 2025.

[13] "November 6, 2018, General Election - State Assemblymember" (PDF). Secretary of State of California. Retrieved November 18, 2025.

[14] "June 7, 2016, Presidential Primary Election - State Assemblymember" (PDF). Secretary of State of California. Retrieved November 18, 2025.

[15] "November 8, 2016, General Election - State Assemblymember" (PDF). Secretary of State of California. Retrieved November 18, 2025.

[16] "June 3, 2014, Statewide Direct Primary Election - State Assemblymember" (PDF). Secretary of State of California. Retrieved November 18, 2025.

[17] "November 4, 2014, General Election - Member of the State Assembly" (PDF). Secretary of State of California. Retrieved November 18, 2025.

[18] "June 5, 2012, Presidential Primary Election - State Assemblymember" (PDF). Secretary of State of California. Retrieved November 18, 2025.

[19] "November 6, 2012, General Election - State Assemblymember" (PDF). Secretary of State of California. Retrieved November 18, 2025.

[20] "November 2, 2010, General Election - State Assemblymember" (PDF). Secretary of State of California. Retrieved November 18, 2025.

[21] "November 4, 2008, Presidential General Election - State Assemblymember" (PDF). Secretary of State of California. Retrieved November 18, 2025.

[22] "November 7, 2006, General Election - Member of the State Assembly" (PDF). Secretary of State of California. Retrieved November 18, 2025.

[23] "November 2, 2004, Presidential General Election - Member of the State Assembly" (PDF). Secretary of State of California. Retrieved November 18, 2025.

[24] "November 5, 2002, General Election - Member of the State Assembly" (PDF). Secretary of State of California. Retrieved November 18, 2025.

[25] "November 7, 2000, General Election - Member of the State Assembly" (PDF). Secretary of State of California. Retrieved November 18, 2025.

[26] "November 3, 1998, General Election - Member of the State Assembly" (PDF). Secretary of State of California. Retrieved November 18, 2025.

[27] "November 5, 1996, General Election - Member of the State Assembly" (PDF). Secretary of State of California. Retrieved November 18, 2025.

[28] "November 8, 1994, General Election - Member of the State Assembly" (PDF). Secretary of State of California. Retrieved November 18, 2025.

[29] "November 3, 1992, General Election - Member of the State Assembly" (PDF). Secretary of State of California. Retrieved November 18, 2025.

[30] "November 6, 1990, General Election - Member of the State Assembly" (PDF). Secretary of State of California. Retrieved November 18, 2025.

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