California's 1st senatorial district

California's 1st state senatorial district is one of 40 California State Senate districts. The district is represented by Republican Megan Dahle of Bieber.

California's 1st State Senate district
Current senator	Megan Dahle R–Bieber
Population (2010)  • Voting age  • Citizen voting age	935,336[1] 728,887[1] 672,832[1]
Demographics	79.41% White 1.84% Black 10.73% Latino 4.59% Asian 2.52% Native American 0.27% Hawaiian/Pacific Islander 0.27% other 0.37[1]% remainder of multiracial
Registered voters	618,334[2]
Registration	42.07% Republican 30.27% Democratic 19.85% No party preference

District profile

The district includes most of the California Cascades, northern Sierra Nevada and the Sacramento Valley, comprising Siskiyou, Modoc, Lassen, Shasta, Tehama, Plumas, Glenn, Colusa, Butte, Sutter, Yuba, Nevada, and Sierra Counties, along with eastern Placer County.

Election results from statewide races

Year	Office	Results
2021	Recall	Yes 61.8 – 38.2%
2020	President	Trump 53.8 – 43.8%
2018	Governor	Cox 59.9 – 40.1%
	Senator	de Leon 55.7 - 44.3%
2016	President	Trump 54.3 – 38.6%
	Senator	Harris 62.9 – 37.1%
2014	Governor	Kashkari 55.0 – 45.0%
2012	President	Romney 57.3 – 39.9%
	Senator	Emken 57.9 – 42.1%
2010	Governor	Whitman 52.4 – 42.5%
	Senator	Fiorina 57.4 – 36.2%
2008	President	McCain 52.1 – 45.8%
2006	Governor	Schwarzenegger 71.0 – 24.0%
	Senator	Mountjoy 48.8 – 46.0%
2004	President	Bush 60.2 – 38.6%
	Senator	Jones 54.2 – 42.2%
2003	Recall	Yes 69.0 – 31.0%
		Schwarzenegger 59.9 – 18.5%
2002	Governor	Simon 57.2 – 31.8%
2000	President	Bush 57.6 – 36.3%
	Senator	Campbell 50.5 – 41.0%
1998	Governor	Lungren 51.5 – 44.9%
	Senator	Fong 51.1 – 44.0%
1996	President	Dole 50.8 – 37.1%
1994	Governor	Wilson 65.3 – 28.7%
	Senator	Huffington 55.1 – 35.8%
1992	President	Bush 39.2 – 34.9%
	Senator	Herschensohn 50.5 – 36.9%
	Senator	Seymour 45.3 – 45.2%

List of senators representing the district

Senators	Party	Years served	Electoral history	Counties represented
District established January 6, 1851
Jonathan Warner (San Diego)	Democratic	January 6, 1851 – January 5, 1852	Elected in 1850. Re-elected in 1851. [data missing]	San Diego
David B. Kurtz (San Diego)	Whig	January 5, 1852 – January 1, 1855	Elected in 1852. Re-elected in 1854. [data missing]
				San Diego, Los Angeles, San Bernardino
Benjamin D. Wilson (Los Angeles)	Democratic	January 1, 1855 – January 4, 1858	Elected in 1855. [data missing]
Cameron E. Thom (Los Angeles)	Democratic	January 4, 1858 – January 2, 1860	Elected in 1857. [data missing]
Andrés Pico (Los Angeles)	Whig	January 2, 1860 – January 6, 1862	Elected in 1859. [data missing]
Jacob C. Bogart (San Diego)	Democratic	January 6, 1862 – December 7, 1863	Elected in 1861. [data missing]	San Diego, San Bernardino
M. C. Tuttle (San Bernardino)	Union	December 7, 1863 – December 2, 1867	Elected in 1863. [data missing]
W. A. Conn (San Bernardino)	Democratic	December 2, 1867 – December 4, 1871	Elected in 1867. [data missing]
James McCoy (San Diego)	Democratic	December 4, 1871 – December 6, 1875	Elected in 1871. [data missing]
John W. Satterwhite (San Bernardino)	Independent Democrat	December 6, 1875 – January 8, 1883	Elected in 1875. Re-elected in 1879. [data missing]
	Democratic
John C. Wolfskill (Riverside)	Democratic	January 8, 1883 – January 5, 1885	Elected in 1882. [data missing]
A. P. Johnson (San Diego)	Republican	January 5, 1885 – January 3, 1887	Elected in 1884. [data missing]
John P. Haynes (Eureka)	Democratic	January 3, 1887 – January 7, 1889	Elected in 1886. [data missing]	Del Norte, Humboldt
Frank McGowan (Eureka)	Republican	January 7, 1889 – January 4, 1897	Elected in 1888. Re-elected in 1982. [data missing]
James Gillett (Eureka)	Republican	January 4, 1897 – January 1, 1901	Elected in 1896. Retired to run for U.S. House of Representatives.
Thomas H. Selvage (Eureka)	Republican	January 1, 1901 – January 7, 1907	Elected in 1900. Re-elected in 1904. [data missing]
				Del Norte, Humboldt, Trinity, Tehama
George T. Rolley (Eureka)	Republican	January 7, 1907 – January 4, 1909	Elected in 1906. [data missing]
Charles P. Cutten (Eureka)	Republican	January 4, 1909 – January 6, 1913	Elected in 1908. [data missing]
William Kehoe (Eureka)	Republican	January 6, 1913 – January 3, 1921	Elected in 1912. Re-elected in 1916. [data missing]
H. C. Nelson (Eureka)	Republican	January 3, 1921 – January 2, 1933	Elected in 1920. Re-elected in 1924. Re-elected in 1928. Lost renomination.
Harold J. Powers (Cedarville)	Republican	January 2, 1933 – October 5, 1953	Elected in 1932. Re-elected in 1936. Re-elected in 1940. Re-elected in 1944. Re-elected in 1948. Re-elected in 1852. Resigned to become Lieutenant Governor of California.	Lassen, Modoc, Plumas
Vacant		October 5, 1953 – December 29, 1953
Dale C. Williams (Alturas)	Democratic	December 29, 1953 – May 12, 1955	Elected to finish Powers's term. Died.
Vacant		May 12, 1955 – January 5, 1956
Stanley Arnold (Susanville)	Democratic	January 5, 1956 – July 16, 1965	Elected to finish Williams's term. Re-elected in 1956. Re-elected in 1960. Re-elected in 1964. Resigned when appointed to the Lassen County Superior Court.
Vacant		July 16, 1965 – January 2, 1967
Randolph Collier (Yreka)	Democratic	January 2, 1967 – November 30, 1976	Redistricted from the 2nd district and re-elected in 1966. Re-elected in 1968. Re-elected in 1972. Lost re-election.	Del Norte, Humboldt, Lake, Mendocino, Siskiyou, Sonoma, Trinity
Ray E. Johnson (Chico)	Republican	December 6, 1976 – March 7, 1983	Elected in 1976. Re-elected in 1980. Lost re-election.	Butte, Colusa, Glenn, Lassen, Modoc, Nevada, Placer, Placer, Shasta, Sierra, Siskiyou, Sutter, Tehama, Trinity, Yuba
	Independent	March 7, 1983 – November 30, 1984
John Doolittle (Rocklin)	Republican	December 3, 1984 – January 2, 1991	Redistricted from the 3rd district and re-elected in 1984. Re-elected in 1988. Resigned when elected to the U.S. House of Representatives.	El Dorado, Lassen, Modoc, Nevada, Placer, Plumas, Sacramento, Sierra, Siskiyou, Sutter, Trinity, Yolo, Yuba
Vacant		January 2, 1991 – May 16, 1991
Tim Leslie (Tahoe City)	Republican	May 16, 1991 – November 30, 2000	Elected to finish Doolittle's term. Re-elected in 1992. Re-elected in 1996. Term-limited and ran for California State Assembly.	Alpine, Amador, Butte, Calaveras, El Dorado, Lassen, Modoc, Mono, Nevada, Placer, Plumas, Sierra, Yuba
Rico Oller (San Andreas)	Republican	December 4, 2000 – November 30, 2004	Elected in 2000. Retired to run for U.S. House of Representatives.
Dave Cox (Fair Oaks)	Republican	December 6, 2004 – July 13, 2010	Elected in 2004. Re-elected in 2008. Died.	Alpine, Amador, Calaveras, El Dorado, Lassen, Modoc, Mono, Nevada, Placer, Plumas, Sacramento, Sierra
Vacant		July 13, 2010 – January 6, 2011
Ted Gaines (El Dorado Hills)	Republican	January 6, 2011 – January 7, 2019	Elected to finish Cox's term. Re-elected in 2012. Re-elected in 2016. Resigned when elected to the California State Board of Equalization.
				Alpine, El Dorado, Lassen, Modoc, Nevada, Placer, Plumas, Sacramento, Shasta, Shasta, Siskiyou
Vacant		January 7, 2019 – June 12, 2019
Brian Dahle (Bieber)	Republican	June 12, 2019 – November 30, 2024	Elected to finish Gaines's term. Re-elected in 2020. Term-limited and retired.
Megan Dahle (Bieber)	Republican	December 2, 2024 – present	Elected in 2024.

Election results

Contents

• 1991 (special)
• 1992
• 1996
• 2000
• 2004
• 2008
• 2011 (special)
• 2012
• 2016
• 2019 (special)
• 2020
• 2024

2024

2024 California State Senate 1st district election^[3][4]

Primary election
Party		Candidate	Votes	%
	Republican	Megan Dahle	154,305	77.2
	Republican	David Fennell	45,686	22.8
Total votes			199,991	100.0
General election
	Republican	Megan Dahle	274,894	75.7
	Republican	David Fennell	88,317	24.3
Total votes			363,211	100.0
	Republican hold

2020

2020 California State Senate 1st district election^[5][6]

Primary election
Party		Candidate	Votes	%
	Republican	Brian Dahle (incumbent)	200,537	57.7
	Democratic	Pamela Dawn Swartz	125,585	36.1
	No party preference	Linda Kelleher	21,557	6.2
Total votes			347,679	100.0
General election
	Republican	Brian Dahle (incumbent)	326,836	59.7
	Democratic	Pamela Dawn Swartz	220,563	40.3
Total votes			547,399	100.0
	Republican hold

2019 (special)

2019 California State Senate 1st district special election
Vacancy resulting from the resignation of Ted Gaines^[7][8]

Primary election
Party		Candidate	Votes	%
	Republican	Brian Dahle	57,725	29.6
	Republican	Kevin Kiley	54,290	27.9
	Democratic	Silke Pflueger	49,164	25.2
	Republican	Rex Hime	18,050	9.3
	Democratic	Steve Baird	10,855	5.6
	Republican	Theodore Dziuba	4,672	2.4
Total votes			194,756	100.0
General election
	Republican	Brian Dahle	84,503	53.9
	Republican	Kevin Kiley	72,169	46.1
Total votes			156,672	100.0
	Republican hold

2016

2016 California State Senate 1st district election^[9][10]

Primary election
Party		Candidate	Votes	%
	Republican	Ted Gaines (incumbent)	140,739	49.4
	Democratic	Rob Rowen	104,262	36.6
	Republican	Steven Baird	39,958	14.1
Total votes			284,959	100.0
General election
	Republican	Ted Gaines (incumbent)	287,314	64.0
	Democratic	Rob Rowen	161,502	36.0
Total votes			448,816	100.0
	Republican hold

2012

2012 California State Senate 1st district election^[11][12]

Primary election
Party		Candidate	Votes	%
	Republican	Ted Gaines (incumbent)	110,168	48.2
	Democratic	Julie Griffith-Flatter	68,947	30.2
	Republican	Les Baugh	37,442	16.4
	No party preference	"Bo" Bogdan I. Ambrozewicz	11,923	5.2
Total votes			228,480	100.0
General election
	Republican	Ted Gaines (incumbent)	263,256	63.7
	Democratic	Julie Griffith-Flatter	150,111	36.3
Total votes			413,367	100.0
	Republican hold

2011 (special)

2011 California State Senate 1st district special election
Vacancy resulting from the death of Dave Cox^[13]

Party		Candidate	Votes	%
	Republican	Ted Gaines	91,083	62.9
	Democratic	Ken Cooley	53,747	37.1
	Republican	Joseph McCray, Sr. (write-in)	28	0.0
Total votes			144,858	100.0
	Republican hold

2008

2008 California State Senate 1st district election^[14]

Party		Candidate	Votes	%
	Republican	Dave Cox (incumbent)	267,426	62.3
	Democratic	Anselmo Chavez	162,044	37.7
Total votes			429,470	100.0
	Republican hold

2004

2004 California State Senate 1st district election^[15]

Party		Candidate	Votes	%
	Republican	Dave Cox	261,207	62.8
	Democratic	Kristine Lang McDonald	141,462	34.1
	Libertarian	Roberto Leibman	13,292	3.1
Total votes			415,961	100.0
	Republican hold

2000

2000 California State Senate 1st district election^[16]

Party		Candidate	Votes	%
	Republican	Rico Oller	220,427	57.8
	Democratic	Thomas A. Romero	144,997	38.0
	Libertarian	John Petersen	16,075	4.2
Total votes			381,499	100.0
	Republican hold

1996

1996 California State Senate 1st district election^[17]

Party		Candidate	Votes	%
	Republican	Tim Leslie (incumbent)	215,931	63.2
	Democratic	Thomas "Tom" Romero	125,894	36.8
	No party	Lamar Norton Latimer (write-in)	55	0.0
Total votes			341,880	100.0
	Republican hold

1992

1992 California State Senate 1st district election^[18]

Party		Candidate	Votes	%
	Republican	Tim Leslie (incumbent)	189,095	54.8
	Democratic	Thomas A. Romero	123,563	35.8
	Green	Kent Warner Smith	32,717	9.5
Total votes			345,375	100.0
	Republican hold

1991 (special)

1991 California State Senate 1st district special election
Vacancy resulting from the resignation of John Doolittle^[19]

Party		Candidate	Votes	%
	Republican	Tim Leslie	44,941	43.0
	Democratic	Patti Mattingly	32,811	31.4
	Republican	Bob Dorr	19,880	19.0
	Democratic	Bobby Harris	2,564	2.5
	Republican	Sherry Numan	1,686	1.6
	Democratic	Bill Steele	1,659	1.6
	Libertarian	Gary Dusseljee	954	0.9
Total votes			104,495	100.0
General election
	Republican	Tim Leslie	65,730	54.6
	Democratic	Patti Mattingly	51,937	43.1
	Libertarian	Gary Dusseljee	2,717	2.3
	No party	Bobby Harris (write-in)	51	0.0
Total votes			120,435	100.0
	Republican hold

See also

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