California's 9th senatorial district

California's 9th senatorial district is one of 40 California State Senate districts. It is currently represented by Democrat Tim Grayson of Concord.

California's 9th State Senate district
Current senator	Tim Grayson D–Concord
Population (2010)  • Voting age  • Citizen voting age	940,601[1] 743,998[1] 595,108[1]
Demographics	31.82% White 19.81% Black 23.94% Latino 21.62% Asian 0.55% Native American 0.53% Hawaiian/Pacific Islander 0.45% other 1.28[1]% remainder of multiracial
Registered voters	575,696[2]
Registration	66.05% Democratic 5.96% Republican 23.78% No party preference

District profile

2020s

The district encompasses most of Contra Costa County, including Concord, Antioch, Pittsburg, Bay Point, Martinez, Pleasant Hill, Walnut Creek, Lafayette, Danville, San Ramon, and Orinda; along with Castro Valley, San Lorenzo, and San Leandro in Alameda County.

2010s

It previously encompassed the East Bay and consists of the urban, coastal northwestern portion of Alameda County, and western portion of Contra Costa County, including Alameda, Oakland, Piedmont, Emeryville, Berkeley, El Cerrito, and Richmond; currently represented by the 7th district.

Election results from statewide races

Year	Office	Results
2021	Recall	No 89.6 – 10.4%
2020	President	Biden 87.8 – 10.2%
2018	Governor	Newsom 88.9 – 11.1%
	Senator	Feinstein 59.8 – 40.2%
2016	President	Clinton 85.6 – 7.8%
	Senator	Harris 79.1 – 20.9%
2014	Governor	Brown 90.2 – 9.8%
2012	President	Obama 86.8 – 9.9%
	Senator	Feinstein 90.0 – 10.0%
2010	Governor	Brown 79.9 – 16.5%
	Senator	Boxer 79.5 – 16.7%
2008	President	Obama 84.0 – 14.1%
2006	Governor	Angelides 62.1 – 29.8%
	Senator	Feinstein 67.6 – 28.0%
2004	President	Kerry 81.1 – 17.5%
	Senator	Boxer 80.1 – 15.6%
2003	Recall	No 77.0 – 23.0%
		Bustamante 60.7 – 19.4%
2002	Governor	Davis 65.0 – 16.8%
2000	President	Gore 78.9 – 12.6%
	Senator	Feinstein 74.0 – 12.6%
1998	Governor	Davis 83.3 – 12.4%
	Senator	Boxer 80.9 – 16.6%
1996	President	Clinton 75.5 – 13.0%
1994	Governor	Brown 74.0 – 22.9%
	Senator	Feinstein 80.2 – 14.0%
1992	President	Clinton 77.3 – 12.5%
	Senator	Boxer 79.4 – 15.2%
	Senator	Feinstein 82.4 – 13.4%

List of senators

Due to redistricting, the 9th district has been moved around different parts of the state. The current iteration resulted from the 2021 redistricting by the California Citizens Redistricting Commission.

Senators	Party	Years served	Counties represented	Notes
John J. Harrigan	Democratic	January 8, 1883 – January 5, 1885	San Francisco	Both Harrigan and McCarthy served together.[3]
Timothy McCarthy		January 8, 1883 - January 5, 1885
Egisto C. Palmieri	Republican	January 5, 1885 – January 3, 1887		Both Palmieri and Parkinson served together.[4]
George C. Parkinson		January 5, 1885 – January 3, 1887
Henry Clay Gesford	Democratic	January 3, 1887 – January 7, 1889	Napa, Yolo
Frank S. Sprague	Republican	January 7, 1889 – January 2, 1893
J. B. Hoyt		January 2, 1893 – January 4, 1897	Solano
John J. Luchsinger		January 4, 1897 – January 2, 1905
Charles Mortimer Belshaw		January 2, 1905 – January 4, 1909	Contra Costa, Marin
Ennio Batista Martinelli		January 4, 1909 – January 6, 1913
James Curtis Owens	Democratic	January 6, 1913 – January 8, 1917
William R. Sharkey	Republican	January 8, 1917 – January 2, 1933
Andrew L. Pierovich	Democratic	January 2, 1933 – January 6, 1941	Alpine, Amador, El Dorado
Harley E. Dillinger		January 6, 1941 – January 5, 1953
Swift Berry	Republican	January 5, 1953 – January 2, 1961	Amador, El Dorado
John C. Begovich	Democratic	January 2, 1961 – January 2, 1967
J. Eugene McAteer		January 2, 1967 – May 26, 1967	San Francisco	Died in office. Died from a heart attack while playing handball at the Olympic Club.[5]
Vacant		May 26, 1967 – September 4, 1967
Milton Marks	Republican	September 4, 1967 – November 30, 1976		Sworn in after winning special election.[6]
Nicholas C. Petris	Democratic	December 6, 1976 – November 30, 1996	Alameda
			Alameda, Contra Costa
Barbara Lee		December 2, 1996 – April 17, 1998		Resigned to become a member of Congress for the 9th Congressional district.[7]
Vacant		April 17, 1998 – December 7, 1998
Don Perata	Democratic	December 7, 1998 – November 30, 2008
Loni Hancock		December 1, 2008 – November 30, 2016
Nancy Skinner		December 5, 2016 – November 30, 2024		Elected in 2016. Re-elected in 2020 Term-limited and redistricted to the 7th district in 2024.
Tim Grayson		December 5, 2024 – present		Elected in 2024.

Election results

Contents

• 1992
• 1996
• 1998 (special)
• 2000
• 2004
• 2008
• 2012
• 2016
• 2020
• 2024

2024

2024 California State Senate 9th district election^[8][9]

Primary election
Party		Candidate	Votes	%
	Democratic	Tim Grayson	103,121	59.3
	Democratic	Marisol Rubio	70,043	40.2
	Republican	David Minor (write-in)	410	0.2
	Republican	Joseph Grcar (write-in)	398	0.2
Total votes			173,972	100.0
General election
	Democratic	Tim Grayson	193,558	52.0
	Democratic	Marisol Rubio	178,776	48.0
Total votes			372,334	100.0
	Democratic hold

2020

2020 California State Senate 9th district election^[10][11]

Primary election
Party		Candidate	Votes	%
	Democratic	Nancy Skinner (incumbent)	263,751	100.0
	Libertarian	Jamie Dluzak (write-in)	126	0.0
Total votes			263,877	100.0
General election
	Democratic	Nancy Skinner	404,455	84.4
	Libertarian	Jamie Dluzak	53,256	11.6
Total votes			457,711	100.0
	Democratic hold

2016

2016 California State Senate 9th district election^[12][13]

Primary election
Party		Candidate	Votes	%
	Democratic	Nancy Skinner	116,710	47.8
	Democratic	Sandré Swanson	74,365	30.5
	Democratic	Katherine Grace Welch	32,698	13.4
	Republican	Rich Kinney	20,287	8.3
Total votes			244,060	100.0
General election
	Democratic	Nancy Skinner	236,133	62.2
	Democratic	Sandré Swanson	143,573	37.8
Total votes			379,706	100.0
	Democratic hold

2012

2012 California State Senate 9th district election^[14][15]

Primary election
Party		Candidate	Votes	%
	Democratic	Loni Hancock (incumbent)	123,624	99.3
	Peace and Freedom	Mary Catherine McIlroy (write-in)	785	0.6
	Libertarian	Lisa D. Ringer (write-in)	92	0.1
Total votes			124,501	100.0
General election
	Democratic	Loni Hancock (incumbent)	300,994	85.8
	Peace and Freedom	Mary Catherine McIlroy	49,987	14.2
Total votes			350,981	100.0
	Democratic hold

2008

2008 California State Senate 9th district election^[16]

Party		Candidate	Votes	%
	Democratic	Loni Hancock	272,225	77.2
	Republican	Claudia Bermudez	53,299	15.1
	Peace and Freedom	Marsha Feinland	26,996	7.7
Total votes			352,520	100.00
	Democratic hold

2004

2004 California State Senate 9th district election^[17]

Party		Candidate	Votes	%
	Democratic	Don Perata (incumbent)	248,614	77.1
	Republican	Patricia Deutsche	50,110	15.6
	Peace and Freedom	Tom Condit	17,412	5.4
	Libertarian	Peter Von Pinnon	6,383	1.9
Total votes			322,519	100.0
	Democratic hold

2000

2000 California State Senate 9th district election^[18]

Party		Candidate	Votes	%
	Democratic	Don Perata (incumbent)	218,550	83.4
	Republican	Linda J. Marshall	30,062	11.5
	Libertarian	Peter Von Pinnon	13,622	5.1
Total votes			262,234	100.0
	Democratic hold

1998 (special)

1998 California State Senate 9th district special election
Vacancy resulting from the resignation of Barbara Lee

Party		Candidate	Votes	%
	Democratic	Don Perata	164,476	77.2
	Republican	Deborah Wright	34,461	16.2
	Peace and Freedom	Marsha Feinland	14,250	6.7
Total votes			213,187	100.0
	Democratic hold

1996

1996 California State Senate 9th district election^[19]

Party		Candidate	Votes	%
	Democratic	Barbara Lee	196,430	78.2
	Republican	Thomas N. Hudson	37,341	14.9
	Peace and Freedom	Robert J. Evans	8,870	3.5
	Natural Law	Carol Flyer Prettie	8,465	3.4
Total votes			251,106	100.0
	Democratic hold

1992

1992 California State Senate 9th district election^[20]

Party		Candidate	Votes	%
	Democratic	Nicholas C. Petris	227,930	84.6
	Peace and Freedom	David Campbell	41,555	15.4
Total votes			269,485	100.0
	Democratic hold

See also

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