California Senate: Party Control and History

Current seats

Democratic majorityDemocrats 29, Republicans 10, vacant 1. 40 seats; 21 for a majority.

Democrats 29Republicans 10Vacant 1

Vacant: district 10. Control counts seats by party; coalitions and power-sharing agreements are not shown.

Members as of November 3, 2026 (Open States), before the winners of the November 3, 2026 elections take office.

California overviewCalifornia Assembly

District map

Democrat 29Republican 10Vacant 1

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2024: the candidate(s) with the most votes in each contest (MEDSL); contests with unreliable rows are not shown. Lines of the 2024 elections (US Census Bureau).

Members as of November 3, 2026 (Open States), before the winners of the November 3, 2026 elections take office.

Seats after each election, 1968-2022

Seats by election, table

Year	D	R	Other	Seats	Control
2022	32	8	0	40	Democratic majority
2020	31	9	0	40	Democratic majority
2018	30	10	0	40	Democratic majority
2016	27	13	0	40	Democratic majority
2014	26	14	0	40	Democratic majority
2012	29	11	0	40	Democratic majority
2010	25	15	0	40	Democratic majority
2008	25	15	0	40	Democratic majority
2006	25	15	0	40	Democratic majority
2004	25	15	0	40	Democratic majority
2002	25	15	0	40	Democratic majority
2000	26	14	0	40	Democratic majority
1998	25	15	0	40	Democratic majority
1996	23	16	1	40	Democratic majority
1994	22	17	1	40	Democratic majority
1992	24	15	1	40	Democratic majority
1990	25	14	1	40	Democratic majority
1988	24	15	1	40	Democratic majority
1986	23	16	1	40	Democratic majority
1984	25	15	0	40	Democratic majority
1982	25	15	0	40	Democratic majority
1980	25	15	0	40	Democratic majority
1978	25	15	0	40	Democratic majority
1976	26	14	0	40	Democratic majority
1974	25	15	0	40	Democratic majority
1972	20	20	0	40	Tied
1970	22	18	0	40	Democratic majority
1968	Not available

Carl Klarner, State Legislative Election Returns, 1967-2022: version 1.0, released June 12, 2024; a fixed historic release.

District results, 2016-2024

The candidate with the most votes in each contest.

2024: 20 contests

Incomplete in the source: counties in the file with no rows for this chamber (uncontested seats left off the ballot, or missing data).

District	Most votes	Party	Share	Note
1	MEGAN DAHLE	Republican	75.7%	some precinct votes suppressed in the source (counted as 0)
3	CHRISTOPHER CABALDON	Democrat	62.6%	some precinct votes suppressed in the source (counted as 0)
5	JERRY MCNERNEY	Democrat	52.9%	some precinct votes suppressed in the source (counted as 0)
7	JESSE ARREGUIN	Democrat	57.2%	some precinct votes suppressed in the source (counted as 0)
9	TIM GRAYSON	Democrat	52.0%	some precinct votes suppressed in the source (counted as 0)
11	SCOTT WIENER	Democrat	77.8%	some precinct votes suppressed in the source (counted as 0)
13	JOSH BECKER	Democrat	72.5%	some precinct votes suppressed in the source (counted as 0)
15	DAVE CORTESE	Democrat	68.6%	some precinct votes suppressed in the source (counted as 0)
17	JOHN LAIRD	Democrat	65.0%	some precinct votes suppressed in the source (counted as 0)
19	ROSILICIE OCHOA BOGH	Republican	54.7%	some precinct votes suppressed in the source (counted as 0)
21	S MONIQUE LIMON	Democrat	63.3%	some precinct votes suppressed in the source (counted as 0)
23	SUZETTE MARTINEZ VALLADARES	Republican	52.3%	some precinct votes suppressed in the source (counted as 0)
25	SASHA RENEE PEREZ	Democrat	59.6%	some precinct votes suppressed in the source (counted as 0)
27	HENRY STERN	Democrat	59.5%	some precinct votes suppressed in the source (counted as 0)
29	ELOISE GOMEZ REYES	Democrat	57.1%	some precinct votes suppressed in the source (counted as 0)
31	SABRINA CERVANTES	Democrat	54.3%	some precinct votes suppressed in the source (counted as 0)
33	LENA A GONZALEZ	Democrat	69.9%	some precinct votes suppressed in the source (counted as 0)
35	LAURA RICHARDSON	Democrat	50.6%	some precinct votes suppressed in the source (counted as 0)
37	STEVEN STEVE CHOI	Republican	50.6%	some precinct votes suppressed in the source (counted as 0)
39	AKILAH WEBER	Democrat	63.0%	some precinct votes suppressed in the source (counted as 0)

2020: 20 contests

Incomplete in the source: counties in the file with no rows for this chamber (uncontested seats left off the ballot, or missing data).

District	Most votes	Party	Share
1	BRIAN DAHLE	Republican	59.7%
3	BILL DODD	Democrat	68.4%
5	SUSAN TALAMANTES EGGMAN	Democrat	54.9%
7	STEVE GLAZER	Democrat	66.0%
9	NANCY SKINNER	Democrat	88.4%
11	SCOTT WIENER	Democrat	57.1%
13	JOSH BECKER	Democrat	75.4%
15	DAVE CORTESE	Democrat	54.8%
17	JOHN LAIRD	Democrat	64.7%
19	MONIQUE LIMON	Democrat	64.5%
21	SCOTT WILK	Republican	50.8%
23	ROSILICIE OCHOA BOGH	Republican	52.5%
25	ANTHONY J PORTANTINO	Democrat	64.0%
27	HENRY STERN	Democrat	60.2%
29	JOSH NEWMAN	Democrat	51.3%
31	RICHARD D ROTH	Democrat	59.0%
33	LENA GONZALEZ	Democrat	61.8%
35	STEVEN CRAIG BRADFORD	Democrat	72.5%
37	DAVE MIN	Democrat	51.1%
39	TONI ATKINS	Democrat	66.2%

2018: 20 contests

Incomplete in the source: counties in the file with no rows for this chamber (uncontested seats left off the ballot, or missing data).

District	Most votes	Party	Share	Note
2	MIKE MCGUIRE	Democrat	67.2%
4	JAMES NIELSEN	Republican	57.1%
6	RICHARD PAN	Democrat	69.5%
8	ANDREAS BORGEAS	Republican	59.6%
10	BOB WIECKOWSKI	Democrat	75.6%
12	ANNA CABALLERO	Democrat	54.4%
14	MELISSA HURTADO	Democrat	55.8%
16	SHANNON GROVE	Republican	64.2%
18	BOB HERTZBERG	Democrat	78.1%
20	CONNIE LEYVA	Democrat	69.5%
22	SUSAN RUBIO	Democrat	52.3%
24	MARIA ELENA DURAZO	Democrat	66.8%
26	BEN ALLEN	Democrat	77.2%
28	JEFF STONE	Republican	51.6%
30	HOLLY J MITCHELL	Democrat	100.0%	one candidate
32	BOB J ARCHULETA	Democrat	66.9%
34	TOM UMBERG	Democrat	50.6%
36	PATRICIA C BATES	Republican	51.5%
38	BRIAN W JONES	Republican	53.0%
40	BEN HUESO	Democrat	65.9%

2016: 20 contests

Incomplete in the source: counties in the file with no rows for this chamber (uncontested seats left off the ballot, or missing data).

District	Most votes	Party	Share	Note
1	Ted Gaines	not in source	64.0%	seats not in source
3	Bill Dodd	not in source	58.1%	seats not in source
5	Cathleen Galgiani	not in source	56.7%	seats not in source
7	Steve Glazer	not in source	66.7%	seats not in source
9	Nancy Skinner	not in source	62.2%	seats not in source
11	Scott Wiener	not in source	51.0%	seats not in source
13	Jerry Hill	not in source	75.9%	seats not in source
15	Jim Beall	not in source	62.5%	seats not in source
17	Bill Monning	not in source	65.8%	seats not in source
19	Hannah-Beth Jackson	not in source	63.1%	seats not in source
21	Scott Wilk	not in source	52.8%	seats not in source
23	Mike Morrell	not in source	56.6%	seats not in source
25	Anthony J. Portantino	not in source	57.9%	seats not in source
27	Henry Stern	not in source	55.9%	seats not in source
29	Josh Newman	not in source	50.4%	seats not in source
31	Richard Roth	not in source	60.5%	seats not in source
33	Ricardo Lara	not in source	78.7%	seats not in source
35	Steven Bradford	not in source	53.5%	seats not in source
37	John M. W. Moorlach	not in source	57.0%	seats not in source
39	Toni Atkins	not in source	62.5%	seats not in source

Not available: 2022.

MEDSL precinct returns 2016-2024: a fixed historic release; the file records no release date.

Sources

Current members: Open States (CC0 1.0), commit 3a1d876 of November 3, 2026; seat totals from openstates-metadata (MIT).

Seats after each election: Carl Klarner, State Legislative Election Returns, 1967-2022, Harvard Dataverse (CC0 1.0).

District results: MEDSL precinct returns (2018-2024 CC0 1.0; 2016 MIT License).

District lines: US Census Bureau, TIGER/Line cartographic boundaries (public domain), state legislative districts 2024, 1:500,000.

Data through November 3, 2026.