California's 21st senatorial district explained

California's 21st senatorial district is one of 40 California State Senate districts. It is currently represented by of .

District profile

The district encompasses northern Los Angeles County and parts of the High Desert. It includes most of the Antelope, Victor, and Santa Clarita Valleys.

Los Angeles County – 6.1%

• Lancaster
• Palmdale
• Santa Clarita – 80.2%

San Bernardino County – 16.3%

• Adelanto
• Apple Valley
• Hesperia
• Victorville

Election results from statewide races

Year	Office	Results
2020	President	Biden 52.0 – 45.8%
2018	Governor	Cox 50.9 – 49.1%
	Senator	de Leon 51.6 – 48.4%
2016	President	Clinton 48.6 – 45.7%
	Senator	Harris 56.8 – 43.2%
2014	Governor	Kashkari 58.6 – 41.4%
2012	President	Romney 49.9 – 47.5%
	Senator	Emken 51.1 – 48.9%

List of senators representing the district

1852–1862

Senators	Party	Years served	Electoral history	Counties represented
M. M. Wombough		Democratic	nowrap	January 5, 1852 – January 3, 1855	Elected in 1851. Re-elected in 1853.	Colusa, Yolo
		nowrap	January 3, 1855 – January 5, 1857
John C. Burch		Democratic	nowrap	January 5, 1857 – January 3, 1859	Elected in 1856. Retired to run for U.S. House of Representatives.	Humboldt, Trinity
James T. Ryan		Democratic	nowrap	January 3, 1859 – January 7, 1861	Elected in 1858.
Joseph Kutz		Republican	nowrap	January 7, 1861 – January 6, 1862	Elected in 1860.	Nevada

1862–1875

Dates		Seat A				Seat B				Seat C			Counties represented
		Member	Party	Electoral history		Member	Party	Electoral history		Member	Party	Electoral history
nowrap		January 6, 1862 – December 7, 1863	Edmund W. Roberts	Union		Elected in 1862. Re-elected in 1863. Re-elected in 1865. Re-elected in 1867. Re-elected in 1868.	Joseph Kutz	Union		Elected in 1862. Re-elected in 1863. Re-elected in 1865.	John C. Birdseye		Union	Elected in 1862.	Nevada
nowrap		December 7, 1863 – December 4, 1865	Third seat was eliminated for the term.
December 4, 1865 – December 2, 1867		David Belden		Union	Elected in 1865.
December 2, 1867 – December 6, 1869		Second seat was eliminated for the term.			Third seat was eliminated.
December 6, 1869 – December 4, 1871			Republican	Miles P. O'Connor						Democratic	Elected in 1868.
December 4, 1871 – December 1, 1873		Charles Kent	Democratic	Elected in 1871. Re-elected in 1873.				Second seat was eliminated for the term.
December 1, 1873 – December 6, 1875		Miles P. O'Connor						Democratic	Elected in 1873.

1875–present

Senators	Party	Years served	Electoral history	Counties represented
Benjamin F. Tuttle		Democratic	December 6, 1875 – December 3, 1877	Elected in 1875. Retired to run for State Assembly.	Sonoma
		December 3, 1877 – January 5, 1880
W. W. Moreland		Democratic	January 5, 1880 – January 3, 1881	Elected in 1879.
		January 3, 1881 – January 8, 1883
George A. Johnson		Democratic	January 8, 1883 – January 3, 1887	Elected in 1882. Retired to run for Attorney General of California.
J. J. Sullivan		Democratic	January 3, 1887 – January 7, 1889	Elected in 1886.	San Francisco
W. O. Banks		Republican	January 7, 1889 – January 2, 1893	Elected in 1888.
William J. Biggy		Democratic	January 2, 1893 – January 4, 1897	Elected in 1892.
Edward I. Wolfe		Republican	January 4, 1897 – January 6, 1913	Elected in 1896. Re-elected in 1900. Re-elected in 1904. Re-elected in 1908. Redistricted to the 19th district and lost re-election.
Frederick C. Gerdes		Republican	January 6, 1913 – January 8, 1917	Elected in 1912. Lost re-election.
James C. Nealon		Democratic	January 8, 1917 – March 1, 1920	Elected in 1916. Died.
Vacant		March 1, 1920 – January 3, 1921
Charles W. Godsil		Republican	January 3, 1921 – January 5, 1925	Elected in 1920.
Roy Fellom		Republican	January 5, 1925 – January 5, 1931	Elected in 1924. Re-elected in 1928. Resigned to assume seat in the 14th district.
Vacant		January 5, 1931 – March 10, 1931
Timothy E. Treacy		Nonpartisan	March 10, 1931 – January 2, 1933	Elected to finish Fellom's term.
Harry L. Parkman		Republican	January 2, 1933 – January 7, 1957	Elected in 1932. Re-elected in 1936. Re-elected in 1940. Re-elected in 1944. Re-elected in 1948. Re-elected in 1952. Announced retirement, then ran for re-election. Retired after committee endorsed successor.	San Mateo
Richard J. Dolwig		Republican	January 7, 1957 – January 2, 1967	Elected in 1956. Re-elected in 1960. Re-elected in 1964. Redistricted to the 12th district.
John L. Harmer		Republican	January 2, 1967 – October 4, 1974	Elected in 1966. Re-elected in 1968. Re-elected in 1972. Resigned when appointed as Lieutenant Governor.	Los Angeles
Vacant		October 4, 1974 – December 20, 1974
Newton Russell		Republican	December 20, 1974 – November 30, 1996	Elected to finish Harmer's term. Re-elected in 1976. Re-elected in 1980. Re-elected in 1984. Re-elected in 1988. Re-elected in 1992. Retired.
Adam Schiff		Democratic	December 2, 1996 – November 30, 2000	Elected in 1996. Retired to become a member of the U.S. House of Representatives.
Jack Scott		Democratic	December 4, 2000 – November 30, 2008	Elected in 2000. Re-elected in 2004. Retired due to term limits.
Carol Liu		Democratic	December 1, 2008 – November 30, 2012	Elected in 2008. Redistricted to the 25th district.
Steve Knight		Republican	December 3, 2012 – January 3, 2015	Elected in 2012. Resigned to become a member of the U.S. House of Representatives.	Los Angeles, San Bernardino
Vacant		January 3, 2015 – March 19, 2015
Sharon Runner		Republican	March 19, 2015 – July 14, 2016	Elected to finish Knight's term. Died.
Vacant		July 14, 2016 – December 5, 2016
Scott Wilk		Republican	December 5, 2016 – present	Elected in 2016. Re-elected in 2020. Retired due to term limits.
Suzette Martinez Valladares (elect)		Republican	December 2, 2024	Elected in 2024.

Election results

1992

See also

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

External links

• District map from the California Citizens Redistricting Commission

Notes and References

1. Web site: Citizens Redistricting Commission Final Report, 2011.
2. Web site: Report of Registration as of July 3, 2020.