California's 13th senatorial district

California's 13th State Senate district
Current senator	Josh Becker D–Menlo Park
Population (2010)  • Voting age  • Citizen voting age	927,480[1] 719,549[1] 553,079[1]
Demographics	47.57% White 2.57% Black 21.85% Latino 25.28% Asian 0.40% Native American 1.18% Hawaiian/Pacific Islander 0.41% other 0.74[1]% remainder of multiracial
Registered voters	534,908[2]
Registration	52.51% Democratic 14.85% Republican 28.55% No party preference

California's 13th senatorial district is one of 40 California State Senate districts. It is currently represented by Democrat Josh Becker of Menlo Park.

The district encompasses the southern Bay Area, taking in most of San Mateo County such as the communities of South San Francisco, Pacifica, San Bruno, Millbrae, Burlingame, San Mateo, Foster City, El Granada, Hallf Moon Bay, San Carlos, Redwood City, Woodside, and Menlo Park; along with the western Santa Clara County communities of Palo Alto, Stanford, Mountain View, Cupertino, Campbell, Saratoga, and Los Gatos.

Year	Office	Results
2021	Recall	No 79.2 – 20.8%
2020	President	Biden 78.8 – 19.2%
2018	Governor	Newsom 75.5 – 24.5%
	Senator	Feinstein 62.5 – 37.5%
2016	President	Clinton 76.7 – 17.9%
	Senator	Harris 73.0 – 27.0%
2014	Governor	Brown 75.0 – 25.0%
2012	President	Obama 71.8 – 25.6%
	Senator	Feinstein 76.2 – 23.8%

Due to redistricting, the 13th district has been moved around different parts of the state. The current iteration resulted from the 2011 redistricting by the California Citizens Redistricting Commission.

Senators	Party	Years served	Counties represented	Notes
William Cronan	Democratic	January 8, 1883 - January 5, 1885	San Francisco	Served together with Sullivan.[3]
Frank J. Sullivan		January 8, 1883 - January 5, 1885
John L. Boone	Republican	January 5, 1885 - January 3, 1887		Served together with Days.[4]
John M. Days		January 5, 1885 - January 3, 1887
Findley R. Dray		January 3, 1887 - January 2, 1893	Sacramento
Elijah Carson Hart		January 2, 1893 - January 4, 1897
Gillis Doty	Democratic	January 4, 1897 - January 1, 1901
Robert T. Devlin	Republican	January 1, 1901 - January 2, 1905
John G. Mattos Jr.		January 2, 1905 - January 4, 1909	Alameda
Edward Keating Strobridge		January 4, 1909 - January 8, 1917
Frank Monroe Carr		January 8, 1917 - January 5, 1925
E. H. Christian		January 5, 1925 - January 2, 1933
Charles F. Reindollar		January 2, 1933 - January 4, 1937	Marin
Thomas F. Keating	Democratic	January 4, 1937 - September 15, 1950		Resigned to become a Judge for the Marin Superior Court.[5]
John F. McCarthy	Republican	November 13, 1950 - January 2, 1967		Sworn in after winning special election.[6]
Al Alquist	Democratic	January 2, 1967 - November 30, 1976	Santa Clara
John Garamendi		December 6, 1976 - November 30, 1984	Alpine, Amador, Calaveras, El Dorado, Mono, Sacramento, San Joaquin, Stanislaus, Tuolumne
Al Alquist		December 3, 1984 - November 30, 1996	Santa Clara
John Vasconcellos		December 2, 1996 – November 30, 2004
Elaine Alquist		December 6, 2004 – November 30, 2012
Jerry Hill		December 3, 2012 – November 30, 2020	San Mateo, Santa Clara
Josh Becker		December 7, 2020 – present

California State Senate election, 2020

Primary election
Party		Candidate	Votes	%
	Democratic	Josh Becker	66,428	23.8
	Republican	Alexander Glew	48,378	17.3
	Democratic	Sally Lieber	47,773	17.1
	Democratic	Shelly Masur	45,211	16.2
	Democratic	Annie Oliva	33,311	11.9
	Democratic	Mike Brownrigg	32,481	11.6
	Libertarian	John H. Webster	5,910	2.1
Total votes			279,492	100.0
General election
	Democratic	Josh Becker	348,005	75.4
	Republican	Alexander Glew	113,315	24.6
Total votes			461,320	100.0
	Democratic hold

California State Senate election, 2016

Primary election
Party		Candidate	Votes	%
	Democratic	Jerry Hill (incumbent)	171,411	75.6
	Republican	Rick Ciardella	42,185	18.6
	Libertarian	John H. Webster	13,018	5.7
Total votes			226,614	100.0
General election
	Democratic	Jerry Hill (incumbent)	296,400	75.9
	Republican	Rick Ciardella	94,269	24.1
Total votes			390,669	100.0
	Democratic hold

California State Senate election, 2012

Primary election
Party		Candidate	Votes	%
	Democratic	Jerry Hill	76,033	51.1
	Democratic	Sally J. Lieber	33,566	22.5
	Libertarian	John H. Webster	23,003	15.4
	Democratic	Christopher Kent Chiang	16,317	11.0
Total votes			148,919	100.0
General election
	Democratic	Jerry Hill	218,775	66.1
	Democratic	Sally J. Lieber	112,321	33.9
Total votes			331,096	100.0
	Democratic hold

California State Senate election, 2008

Party		Candidate	Votes	%
	Democratic	Elaine Alquist (incumbent)	179,855	70.94
	Republican	Shane Connolly	57,033	22.49
	Libertarian	John Webster	16,659	6.57
Total votes			253,547	100.00
Turnout				75.24
	Democratic hold

California State Senate election, 2004

Party		Candidate	Votes	%
	Democratic	Elaine Alquist	156,321	68.53
	Republican	Shane Patrick Connolly	62,157	27.25
	Libertarian	Michael Laursen	9,585	4.20
	Libertarian	John H. Webster (write-in)	28	0.01
Total votes			228,091	100.00
	Democratic hold

California State Senate election, 2000

Party		Candidate	Votes	%
	Democratic	John Vasconcellos (incumbent)	140,827	68.56
	Republican	John Longwell	54,076	26.33
	Libertarian	John Harvey Webster	10,507	5.12
Invalid or blank votes			20,128	8.92
Total votes			225,538	100.00
	Democratic hold

California State Senate election, 1996

Party		Candidate	Votes	%
	Democratic	John Vasconcellos	117,640	58.59
	Republican	Ray Morton	55,737	27.76
	Reform	Dominic L. Cortese	17,715	6.82
	Libertarian	John Harvey Webster	6,684	3.32
	Natural Law	Rick J. Dunstan	3,021	1.60
Invalid or blank votes			19,222	8.74
Total votes			220,019	100.00
	Democratic hold

California State Senate election, 1992

Party		Candidate	Votes	%
	Democratic	Al Alquist (incumbent)	140,081	60.46
	Republican	Michael Iddings	72,340	31.22
	Libertarian	John Harvey Webster	19,258	8.31
Invalid or blank votes			24,605	9.60
Total votes			256,284	100.00
	Democratic hold

• California State Senate
• California State Senate districts
• Districts in California

• District map from the California Citizens Redistricting Commission