California's 11th senatorial district

California's 11th State Senate district
Current senator	Scott Wiener D–San Francisco
Population (2020)  • Voting age  • Citizen voting age	1,022,311[1] 883,572[1] 757,682[1]
Demographics	35.37% White 4.77% Black 16.79% Latino 36.73% Asian 0.17% Native American 0.43% Hawaiian/Pacific Islander 0.75% other 4.99[1]% remainder of multiracial
Registered voters	568,370[2]
Registration	59.86% Democratic 6.99% Republican 28.93% No party preference

California's 11th senatorial district is one of 40 California State Senate districts. It is currently represented by Democrat Scott Wiener of San Francisco.

The district encompasses San Francisco and Daly City at the northern tip of San Mateo County.

Year	Office	Results
2021	Recall	No 85.5 – 14.5%
2020	President	Biden 84.4 – 13.7%
2018	Governor	Newsom 85.7 – 14.3%
	Senator	Feinstein 64.4– 35.6%
2016	President	Clinton 85.0 – 10.0%
	Senator	Harris 77.0 – 23.0%
2014	Governor	Brown 87.7 – 12.3%
2012	President	Obama 83.1 – 13.6%
	Senator	Feinstein 88.2 – 11.8%

Due to redistricting, the 11th district has been moved around different parts of the state. The current iteration resulted from the 2021 redistricting by the California Citizens Redistricting Commission and took effect with the June 2022 primaries.^[3]

Senators	Party	Years served	Counties represented	Notes
Edward Keating	Democratic	January 8, 1883 - January 5, 1885	San Francisco	Served together with Thorwald Nelson.[4]
Thorwald Klaudius Nelson		January 8, 1883 - January 5, 1885
Daniel J. Creighton		January 5, 1885 - January 3, 1887		Served together with Edward Drum.[5]
Edward F. Drum		January 5, 1885 - January 3, 1887
James McCudden		January 3, 1887 - January 7, 1889	Solano
George Jerome Campbell	Republican	January 7, 1889 - January 2, 1893
Elliott McAllister	Democratic	January 2, 1893 - January 4, 1897	Contra Costa, Marin
John Henry Dickinson	Republican	January 4, 1897 - January 1, 1901
Charles Mortimer Belshaw		January 1, 1901 - January 2, 1905
August E. Muenter		January 2, 1905 - January 4, 1909	San Joaquin
John Thomas Lewis	Republican	January 4, 1909 - January 6, 1913
William R. Flint		January 6, 1913 - January 8, 1917	San Benito, San Mateo, Santa Cruz
M. B. Johnson		January 8, 1917 - January 7, 1929
George C. Cleveland		January 7, 1929 - January 2, 1933
Frank L. Gordon		January 2, 1933 - January 3, 1949	Napa, Yolo
Nathan F. Coombs		January 3, 1949 - January 2, 1961
Samuel R. Geddes	Democratic	January 2, 1961 - March 5, 1965		Died in office from a heart attack.[6]
Nicholas C. Petris		January 2, 1967 - November 30, 1976	Alameda
Al Alquist		December 6, 1976 - November 30, 1984	Alameda, San Benito, Santa Cruz
Becky Morgan	Republican	December 3, 1984 - August 17, 1993	San Mateo, Santa Clara	Resigned from the Senate to become President/CEO of Joint Venture:Silicon Valley Network.[7]
Tom Campbell		November 11, 1993 - December 12, 1995		Sworn in after winning special election.[8] Resigned from office to be sworn in the 15th Congressional district after winning special election.[9]
Byron Sher	Democratic	March 28, 1996 – December 6, 2004		Sworn in after winning special election.[10]
Joe Simitian		December 6, 2004 – November 30, 2012	San Mateo, Santa Clara, Santa Cruz
Mark Leno		December 3, 2012 - November 30, 2016	San Francisco, San Mateo
Scott Wiener		December 5, 2016 – present

2020 California State Senate election

Primary election
Party		Candidate	Votes	%
	Democratic	Scott Wiener (incumbent)	167,124	55.7
	Democratic	Jackie Fielder	99,566	33.2
	Republican	Erin Smith	33,321	11.1
Total votes			300,011	100.0
General election
	Democratic	Scott Wiener (incumbent)	254,635	57.1
	Democratic	Jackie Fielder	191,065	42.9
Total votes			445,700	100.0
	Democratic hold

California State Senate election, 2016^[11]

Primary election
Party		Candidate	Votes	%
	Democratic	Jane Kim	118,582	45.3
	Democratic	Scott Wiener	117,913	45.1
	Republican	Ken Loo	25,189	9.6
	Democratic	Michael A. Petrelis (write-in)	4	0.0
Total votes			261,684	100.0
General election
	Democratic	Scott Wiener	209,462	51.0
	Democratic	Jane Kim	201,316	49.0
Total votes			410,778	100.0
	Democratic hold

California State Senate election, 2012

Primary election
Party		Candidate	Votes	%
	Democratic	Mark Leno (incumbent)	118,023	82.0
	Republican	Harmeet Dhillon	25,828	18.0
Total votes			143,851	100.0
General election
	Democratic	Mark Leno (incumbent)	303,241	84.7
	Republican	Harmeet Dhillon	54,887	15.3
Total votes			358,128	100.0
	Democratic hold

California State Senate election, 2008

Party		Candidate	Votes	%
	Democratic	Joe Simitian (incumbent)	272,154	74.82
	Republican	Blair Nathan	91,592	25.18
Total votes			363,746	100.00
Turnout				76.37
	Democratic hold

California State Senate election, 2004

Party		Candidate	Votes	%
	Democratic	Joe Simitian	230,484	66.53
	Republican	Jon Zellhoefer	101,887	29.41
	Libertarian	Allen M. Rice	14,080	4.06
Total votes			346,451	100.00
	Democratic hold

California State Senate election, 2000

Party		Candidate	Votes	%
	Democratic	Byron Sher (incumbent)	183,887	59.25
	Republican	Gloria S. Hom	113,770	36.66
	Libertarian	John J. "Jack" Hickey	12,676	4.08
Invalid or blank votes			20,916	6.31
Total votes			331,249	100.00
	Democratic hold

California State Senate election, 1996

Party		Candidate	Votes	%
	Democratic	Byron Sher	177,155	57.90
	Republican	Patrick Shannon	117,547	38.42
	Libertarian	Jon W. Malonia	11,290	3.69
Invalid or blank votes			24,355	7.37
Total votes			276,347	100.0
	Democratic hold

California State Senate election, 1992

Party		Candidate	Votes	%
	Republican	Becky Morgan (incumbent)	218,855	64.50
	Democratic	Frank W. Trinkle	104,162	30.70
	Libertarian	Christopher R. Inama	16,900	4.80
Invalid or blank votes			34,099	9.13
Total votes			374,016	100.00
	Republican hold

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

• District map from the California Citizens Redistricting Commission