Senators
|
Party
|
Years served
|
Electoral history
|
Counties represented
|
District established January 6, 1862
|
George Oulton (Fort Jones)
|
Republican
|
January 6, 1862 – December 7, 1863
|
Elected in 1861. [data missing]
|
Siskiyou
|
Union
|
L. M. Foulke (Gazelle)
|
Union
|
December 7, 1863 – December 4, 1865
|
Elected in 1863. [data missing]
|
E. Wadsworth (Yreka)
|
Union
|
December 4, 1865 – December 6, 1869
|
Elected in 1865. [data missing]
|
William Irwin (Yreka)
|
Democratic
|
December 6, 1869 – December 9, 1875
|
Elected in 1868. Re-elected in 1871. Re-elected in 1873. Resigned to run for Governor of California.
|
Vacant
|
December 9, 1875 – March 1, 1875
|
|
Wiley J. Tinnin (Weaverville)
|
Democratic
|
March 1, 1875 – December 3, 1877
|
Elected to finish Irwin's term. [data missing]
|
Modoc, Shasta, Siskiyou, Trinity
|
Daniel Ream (Yreka)
|
Democratic
|
December 3, 1877 – January 5, 1880
|
Elected in 1877. [data missing]
|
A. B. Carlock (Fort Jones)
|
Republican
|
January 5, 1880 – January 8, 1883
|
Elected in 1879. [data missing]
|
Clay W. Taylor (Shasta)
|
Democratic
|
January 8, 1883 – January 3, 1887
|
Elected in 1882. [data missing]
|
John Spellacy (San Francisco)
|
Democratic
|
January 3, 1887 – January 5, 1891
|
Elected in 1886. [data missing]
|
San Francisco
|
Thomas C. Maher (San Francisco)
|
Republican
|
January 5, 1891 – January 7, 1895
|
Elected in 1890. Redistricted to the 19th district.
|
John L. Beard (Centerville)
|
Republican
|
January 7, 1895 – January 2, 1899
|
Elected in 1894. [data missing]
|
Alameda
|
E. K. Taylor (Alameda)
|
Republican
|
January 2, 1899 – January 5, 1903
|
Elected in 1898. [data missing]
|
Charles M. Shortridge (San Jose)
|
Independent
|
January 5, 1903 – January 7, 1907
|
Redistricted from the 30th district and re-elected in 1902. Lost re-election.
|
Santa Clara
|
Marshall Black (Santa Clara)
|
Republican
|
January 7, 1907 – January 2, 1913
|
Elected in 1906. Recalled from office.
|
Herbert C. Jones (Santa Clara)
|
Republican
|
January 2, 1913 – January 5, 1931
|
Elected to finish Black's term. Re-elected in 1914. Re-elected in 1918. Re-elected in 1922. Re-elected in 1926. Redistricted to the 18th district.
|
Joe Riley (Bishop)
|
Republican
|
January 5, 1931 – January 7, 1935
|
Elected in 1930. Lost re-election.
|
Inyo, Mono
|
Karl P. Keough (Bridgeport)
|
Democratic
|
January 7, 1935 – September 27, 1937
|
Elected in 1934. Died.
|
Vacant
|
September 27, 1937 – January 2, 1939
|
|
Charles Brown (Shoshone)
|
Democratic
|
January 2, 1939 – January 7, 1963
|
Elected in 1938. Re-elected in 1942. Re-elected in 1946. Re-elected in 1950. Re-elected in 1954. Re-elected in 1958. Lost re-election.
|
William Symons Jr. (Bishop)
|
Republican
|
January 7, 1963 – January 2, 1967
|
Elected in 1962. [data missing]
|
Alpine, Inyo, Mono
|
Alfred H. Song (Monterey Park)
|
Democratic
|
January 2, 1967 – November 30, 1974
|
Elected in 1966. Re-elected in 1970. Redistricted to the 26th district.
|
Los Angeles
|
Ralph C. Dills (Paramount)
|
Democratic
|
December 2, 1974 – November 30, 1982
|
Redistricted from the 32nd district and re-elected in 1974. Re-elected in 1978. Redistricted to the 30th district.
|
Diane Watson (Los Angeles)
|
Democratic
|
December 6, 1982 – November 30, 1994
|
Redistricted from the 30th district and re-elected in 1982. Re-elected in 1986. Re-elected in 1990. Redistricted to the 26th district.
|
Ralph C. Dills (Paramount)
|
Democratic
|
December 5, 1994 – November 30, 1998
|
Elected in 1994. Retired due to term limits.
|
Debra Bowen (Redondo Beach)
|
Democratic
|
December 7, 1998 – November 30, 2006
|
Elected in 1998. Re-elected in 2002. Retired to run for Secretary of State.
|
Jenny Oropeza (Long Beach)
|
Democratic
|
December 4, 2006 – October 20, 2010
|
Elected in 2006. Died and posthumously won re-election.
|
Vacant
|
October 20, 2010 – February 18, 2011
|
|
Ted Lieu (Torrance)
|
Democratic
|
February 18, 2011 – November 30, 2014
|
Elected to finish Oropeza's term. Retired to run for U.S. House of Representatives.
|
Jeff Stone (La Quinta)
|
Republican
|
December 1, 2014 – November 1, 2019
|
Elected in 2014. Re-elected in 2018. Resigned to accept appointment to the U.S. Department of Labor.
|
Riverside
|
Vacant
|
November 1, 2019 – May 18, 2020
|
|
Melissa Melendez (Lake Elsinore)
|
Republican
|
May 18, 2020 – December 5, 2022
|
Elected to finish Stone's term. Redistricted to the 32nd district and retired to run for U.S. House of Representatives.
|
Lola Smallwood-Cuevas (Los Angeles)
|
Democratic
|
December 5, 2022 – present
|
Elected in 2022.
|
Los Angeles
|