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

District profile The district encompasses all of Santa Barbara County and parts of San Luis Obispo and Ventura counties, stretching from Grover Beach in the north down along the Highway 101 corridor to include Santa Maria, Buellton, Solvang, Goleta, Santa Barbara, the Santa Clara River Valley, Oxnard, Port Hueneme and Camarillo on the southeastern border. It also includes four of the Channel Islands, though all are uninhabited.

San Luis Obispo County – 19.93% Grover Beach Nipomo Oceano Unincorporated areas of San Luis Obispo County – 34.03%

Santa Barbara County – 100% Buellton Carpinteria Eastern Goleta Valley Goleta Guadalupe Isla Vista Lompoc Montecito Orcutt Santa Barbara Santa Maria Solvang University of California-Santa Barbara Vandenberg Village Unincorporated areas of Santa Barbara County

Ventura County — 61.78% Camarillo El Rio Fillmore Mira Monte Oak View Ojai Oxnard Port Hueneme San Buenaventura Santa Paula Unincorporated areas of Ventura County — 82.34%

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 Due to redistricting, the 21st district has been moved around different parts of the state. The current iteration resulted from the 2021 redistricting by the California Citizens Redistricting Commission.

1852–1862 Senators Party Years served Electoral history Counties representedM. M. WomboughDemocratic January 5, 1852 – January 3, 1855 Elected in 1851.Re-elected in 1853. Colusa, Yolo January 3, 1855 – January 5, 1857John C. BurchDemocratic January 5, 1857 – January 3, 1859Elected in 1856. Retired to run for U.S. House of Representatives.Humboldt, TrinityJames T. RyanDemocratic January 3, 1859 – January 7, 1861Elected in 1858. Joseph KutzRepublican January 7, 1861 – January 6, 1862Elected 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 historyJanuary 6, 1862 – December 7, 1863Edmund W. Roberts UnionElected in 1862. Re-elected in 1863. Re-elected in 1865. Re-elected in 1867. Re-elected in 1868. Joseph Kutz UnionElected in 1862. Re-elected in 1863. Re-elected in 1865. John C. Birdseye UnionElected in 1862. NevadaDecember 7, 1863 – December 4, 1865Third seat was eliminated for the term.December 4, 1865 – December 2, 1867 David Belden UnionElected in 1865. December 2, 1867 – December 6, 1869Second seat was eliminated for the term.Third seat was eliminated.December 6, 1869 – December 4, 1871 RepublicanMiles P. O'Connor DemocraticElected in 1868. December 4, 1871 – December 1, 1873Charles Kent DemocraticElected in 1871. Re-elected in 1873. Second seat was eliminated for the term.December 1, 1873 – December 6, 1875Miles P. O'Connor DemocraticElected in 1873.

1875–present Senators Party Years served Electoral history Counties representedBenjamin F. TuttleDemocraticDecember 6, 1875 – December 3, 1877Elected in 1875. Retired to run for State Assembly.SonomaDecember 3, 1877 – January 5, 1880W. W. MorelandDemocraticJanuary 5, 1880 – January 3, 1881Elected in 1879. January 3, 1881 – January 8, 1883George A. JohnsonDemocratic January 8, 1883 – January 3, 1887Elected in 1882. Retired to run for Attorney General of California.J. J. SullivanDemocratic January 3, 1887 – January 7, 1889Elected in 1886. San FranciscoW. O. BanksRepublican January 7, 1889 – January 2, 1893Elected in 1888. William J. BiggyDemocratic January 2, 1893 – January 4, 1897Elected in 1892. Edward I. WolfeRepublican January 4, 1897 – January 6, 1913Elected 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. GerdesRepublican January 6, 1913 – January 8, 1917Elected in 1912. Lost re-election.James C. NealonDemocratic January 8, 1917 – March 1, 1920Elected in 1916. Died.VacantMarch 1, 1920 – January 3, 1921Charles W. GodsilRepublican January 3, 1921 – January 5, 1925Elected in 1920. Roy FellomRepublican January 5, 1925 – January 5, 1931Elected in 1924. Re-elected in 1928. Resigned to assume seat in the 14th district.VacantJanuary 5, 1931 – March 10, 1931Timothy E. TreacyNonpartisan March 10, 1931 – January 2, 1933Elected to finish Fellom's term. Harry L. ParkmanRepublican January 2, 1933 – January 7, 1957Elected 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 MateoRichard J. DolwigRepublican January 7, 1957 – January 2, 1967Elected in 1956. Re-elected in 1960. Re-elected in 1964. Redistricted to the 12th district.John L. HarmerRepublican January 2, 1967 – October 4, 1974Elected in 1966. Re-elected in 1968. Re-elected in 1972. Resigned when appointed as Lieutenant Governor.Los AngelesVacantOctober 4, 1974 – December 20, 1974Newton RussellRepublican December 20, 1974 – November 30, 1996Elected 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 SchiffDemocratic December 2, 1996 – November 30, 2000Elected in 1996. Retired to become a member of the U.S. House of Representatives.Jack ScottDemocratic December 4, 2000 – November 30, 2008Elected in 2000. Re-elected in 2004. Retired due to term limits.Carol LiuDemocratic December 1, 2008 – November 30, 2012Elected in 2008. Redistricted to the 25th district.Steve KnightRepublican December 3, 2012 – January 3, 2015Elected in 2012. Resigned to become a member of the U.S. House of Representatives.Los Angeles, San BernardinoVacantJanuary 3, 2015 – March 19, 2015Sharon RunnerRepublican March 19, 2015 – July 14, 2016Elected to finish Knight's term. Died.VacantJuly 14, 2016 – December 5, 2016Scott WilkRepublican December 5, 2016 – November 30, 2024Elected in 2016. Re-elected in 2020. Retired due to term limits.Monique LimónDemocratic December 2, 2024 – presentRedistricted from the 19th district and re-elected in 2024. Santa Barbara, Ventura

Election results (1990-present)

2024

2020

2016

2015 (special)

2012

2008

2004

2000

1996

1992

See also California State Senate California State Senate districts Districts in California

References

External links District map from the California Citizens Redistricting Commission