List of United States senators from California

California elects United States senators to class 1 and class 3. The state has been represented by 47 people in the Senate since it was admitted to the Union on September 9, 1850. Its U.S. senators are Democrats Alex Padilla and Laphonza Butler. Dianne Feinstein was the state's longest serving senator, who served from 1992 until her death in 2023.

List of senators
! 1 ! rowspan=11 | 1
 * - style="height:2em"
 * align=left | John Charles Fremont crop.jpg John C. Frémont
 * | Democratic
 * nowrap | Sep 9, 1850 – Mar 3, 1851
 * Elected in 1849.
 * 1
 * rowspan=4 | 1
 * rowspan=4 | Elected in 1849.
 * rowspan=4 nowrap | Sep 9, 1850 – Mar 3, 1855
 * rowspan=4 | Democratic
 * rowspan=4 align=right | WMGwin.jpg William M. Gwin
 * rowspan=4 align=right | WMGwin.jpg William M. Gwin


 * - style="height:2em"
 * colspan=3 | Vacant
 * nowrap | Mar 4, 1851 – Jan 29, 1852
 * Legislature failed to elect.
 * rowspan=5 | 2
 * rowspan=2

! rowspan=4 | 2
 * - style="height:2em"
 * rowspan=4 align=left | John Weller.jpg John B. Weller
 * rowspan=4 | Democratic
 * rowspan=4 nowrap | Jan 30, 1852 – Mar 3, 1857
 * rowspan=4 | Elected late in 1852.Lost re-election.


 * - style="height:2em"


 * - style="height:2em"
 * rowspan=2
 * rowspan=7 | 2
 * Legislature failed to elect.
 * nowrap | Mar 4, 1855 – Jan 13, 1857
 * colspan=2 | Vacant


 * - style="height:2em"
 * rowspan=6 | Elected late in 1857.
 * rowspan=6 nowrap | Jan 14, 1857 – Mar 3, 1861
 * rowspan=6 | Democratic
 * rowspan=6 align=left | WMGwin.jpg William M. Gwin

! rowspan=2 | 3
 * - style="height:2em"
 * rowspan=2 align=left | David C. Broderick - Brady-Handy.jpg David C. Broderick
 * rowspan=2 | Democratic
 * rowspan=2 nowrap | Mar 4, 1857 – Sep 16, 1859
 * rowspan=2 | Elected in 1856.Died.
 * rowspan=6 | 3


 * - style="height:2em"
 * rowspan=4


 * - style="height:2em"
 * colspan=3 | Vacant
 * nowrap | Sep 17, 1859 – Nov 2, 1859

! 4
 * - style="height:2em"
 * align=left | Henry Haun.jpg Henry P. Haun
 * | Democratic
 * nowrap | Nov 3, 1859 – Mar 4, 1860
 * Appointed to continue Broderick's term.Lost election to finish Broderick's term.

! rowspan=2 | 5
 * - style="height:2em"
 * rowspan=2 align=left | Latham1.jpg Milton Latham
 * rowspan=2 | Democratic
 * rowspan=2 nowrap | Mar 5, 1860 – Mar 3, 1863
 * rowspan=2 | Elected in 1860 to finish Broderick's term.Lost re-election.

! rowspan=3 | 2
 * - style="height:2em"
 * rowspan=3 | 3
 * rowspan=3 | Elected in 1860.Retired.
 * rowspan=3 nowrap | Mar 4, 1861 – Mar 3, 1867
 * rowspan=3 | Democratic
 * rowspan=3 align=right | Sen James A McDougall.jpg James A. McDougall
 * rowspan=3 align=right | Sen James A McDougall.jpg James A. McDougall

! rowspan=3 | 6
 * - style="height:2em"
 * rowspan=3 align=left | John Conness.jpg John Conness
 * rowspan=3 | Republican
 * rowspan=3 nowrap | Mar 4, 1863 – Mar 3, 1869
 * rowspan=3 | Elected during the 1862/1863 cycle.
 * rowspan=3 | 4


 * - style="height:2em"

! rowspan=3 | 3
 * - style="height:2em"
 * rowspan=3 | 4
 * rowspan=3 | Elected during the 1866/1867 cycle.
 * rowspan=3 nowrap | Mar 4, 1867 – Mar 3, 1873
 * rowspan=3 | Republican
 * rowspan=3 align=right | CorneliusCole.jpg Cornelius Cole
 * rowspan=3 align=right | CorneliusCole.jpg Cornelius Cole

! rowspan=3 | 7
 * - style="height:2em"
 * rowspan=3 align=left | Eugene Casserly - Brady-Handy.jpg Eugene Casserly
 * rowspan=3 | Democratic
 * rowspan=3 nowrap | Mar 4, 1869 – Nov 29, 1873
 * rowspan=3 | Elected in 1868.Resigned.
 * rowspan=5 | 5


 * - style="height:2em"

! rowspan=5 | 4
 * - style="height:2em"
 * rowspan=3
 * rowspan=5 | 5
 * rowspan=5 | Elected in 1872 or 1873.Retired.
 * rowspan=5 nowrap | Mar 4, 1873 – Mar 3, 1879
 * rowspan=5 | Republican
 * rowspan=5 align=right | Aaron Augustus Sargent - Brady-Handy.jpg Aaron A. Sargent


 * - style="height:2em"
 * colspan=3 | Vacant
 * nowrap | Nov 30, 1873 – Dec 22, 1873

! 8
 * - style="height:2em"
 * align=left | John S. Hager.jpg John S. Hager
 * | Democratic
 * nowrap | Dec 23, 1873 – Mar 3, 1875
 * Elected in 1873 to finish Casserly's term.Retired.

! rowspan=3 | 9
 * - style="height:2em"
 * rowspan=3 align=left | Newton Booth - Brady-Handy.jpg Newton Booth
 * rowspan=3 | Anti-Monopoly
 * rowspan=3 nowrap | Mar 4, 1875 – Mar 3, 1881
 * rowspan=3 | Elected early in 1873.Retired.
 * rowspan=3 | 6


 * - style="height:2em"

! rowspan=3 | 5
 * - style="height:2em"
 * rowspan=3 | 6
 * rowspan=3 | Elected in 1878.Retired.
 * rowspan=3 nowrap | Mar 4, 1879 – Mar 3, 1885
 * rowspan=3 | Democratic
 * rowspan=3 align=right | James T. Farley.jpg James T. Farley
 * rowspan=3 align=right | James T. Farley.jpg James T. Farley

! rowspan=3 | 10
 * - style="height:2em"
 * rowspan=3 align=left | JFMiller.jpg John Franklin Miller
 * rowspan=3 | Republican
 * rowspan=3 nowrap | Mar 4, 1881 – Mar 8, 1886
 * rowspan=3 | Elected in 1880.Died.
 * rowspan=6 | 7


 * - style="height:2em"

! rowspan=10 | 6
 * - style="height:2em"
 * rowspan=4
 * rowspan=7 | 7
 * rowspan=7 | Elected in 1885.
 * rowspan=10 nowrap | Mar 4, 1885 – Jun 21, 1893
 * rowspan=10 | Republican
 * rowspan=10 align=right | LelandStanford.jpg Leland Stanford


 * - style="height:2em"
 * colspan=3 | Vacant
 * nowrap | Mar 9, 1886 – Mar 22, 1886

! 11
 * - style="height:2em"
 * align=left | George Hearst (cropped).jpg George Hearst
 * | Democratic
 * nowrap | Mar 23, 1886 – Aug 3, 1886
 * Appointed to continue Miller's term.Successor elected.

! 12
 * - style="height:2em"
 * align=left | APWilliams.jpg Abram Williams
 * | Republican
 * nowrap | Aug 4, 1886 – Mar 3, 1887
 * Elected in 1886 to finish Miller's term.Retired.

! rowspan=2 | 13
 * - style="height:2em"
 * rowspan=2 align=left | George Hearst (cropped).jpg George Hearst
 * rowspan=2 | Democratic
 * rowspan=2 nowrap | Mar 4, 1887 – Feb 28, 1891
 * rowspan=2 | Elected in 1887.Died.
 * rowspan=5 | 8


 * - style="height:2em"
 * rowspan=2


 * - style="height:2em"
 * rowspan=2 colspan=3 | Vacant
 * rowspan=2 nowrap | Mar 1, 1891 – Mar 18, 1891
 * rowspan=2 |


 * - style="height:2em"
 * rowspan=2
 * rowspan=6 | 8
 * rowspan=3 | Re-elected in 1891.Died.

! 14
 * - style="height:2em"
 * align=left | Charles Norton Felton.jpg Charles N. Felton
 * | Republican
 * nowrap | Mar 19, 1891 – Mar 3, 1893
 * Elected in 1891 to finish Hearst's term.Retired.

! rowspan=5 | 15
 * - style="height:2em"
 * rowspan=5 align=left | StephenMWhite.JPG Stephen M. White
 * rowspan=5 | Democratic
 * rowspan=5 nowrap | Mar 4, 1893 – Mar 3, 1899
 * rowspan=5 | Elected in 1893.Retired.
 * rowspan=5 | 9
 * rowspan=3


 * - style="height:2em"
 * nowrap | Jun 22, 1893 – Jul 25, 1893
 * colspan=3 | Vacant
 * colspan=3 | Vacant

! rowspan=12 | 7
 * - style="height:2em"
 * rowspan=2 | Appointed to continue Stanford's term.Elected in 1895 to finish Stanford's term.
 * rowspan=12 nowrap | Jul 26, 1893 – Mar 3, 1915
 * rowspan=12 | Republican
 * rowspan=12 align=right | Senator George Clement Perkins.jpg George C. Perkins


 * - style="height:2em"


 * - style="height:2em"
 * rowspan=4 | 9
 * rowspan=4 | Re-elected in 1897.
 * rowspan=4 | Re-elected in 1897.


 * - style="height:2em"
 * colspan=3 | Vacant
 * nowrap | Mar 4, 1899 – Feb 6, 1900
 * rowspan=4 | 10
 * rowspan=2
 * rowspan=2

! rowspan=3 | 16
 * - style="height:2em"
 * rowspan=3 align=left | Thomas R. Bard, c. 1900 (cropped).jpg Thomas R. Bard
 * rowspan=3 | Republican
 * rowspan=3 nowrap | Feb 7, 1900 – Mar 3, 1905
 * rowspan=3 | Elected late in 1900.Lost re-election.


 * - style="height:2em"


 * - style="height:2em"
 * rowspan=3 | 10
 * rowspan=3 | Re-elected in 1903.
 * rowspan=3 | Re-elected in 1903.

! rowspan=3 | 17
 * - style="height:2em"
 * rowspan=3 align=left | FrankPFlint.jpg Frank P. Flint
 * rowspan=3 | Republican
 * rowspan=3 nowrap | Mar 4, 1905 – Mar 3, 1911
 * rowspan=3 | Elected in 1905. Retired.
 * rowspan=3 | 11


 * - style="height:2em"


 * - style="height:2em"
 * rowspan=3 | 11
 * rowspan=3 | Re-elected in 1909. Retired.
 * rowspan=3 | Re-elected in 1909. Retired.

! rowspan=3 | 18
 * - style="height:2em"
 * rowspan=3 align=left | WORKS, J.D. SENATOR LCCN2016857981 (cropped).jpg John D. Works
 * rowspan=3 | Republican
 * rowspan=3 nowrap | Mar 4, 1911 – Mar 3, 1917
 * rowspan=3 | Elected in 1911.Retired.
 * rowspan=3 | 12


 * - style="height:2em"

! rowspan=3 | 8
 * - style="height:2em"
 * rowspan=3 | 12
 * rowspan=3 | Elected in 1914.Lost re-election.
 * rowspan=3 nowrap | Mar 4, 1915 – Mar 3, 1921
 * rowspan=3 | Democratic
 * rowspan=3 align=right | PHELAN, JAMES D. HONORABLE LCCN2016858166 (cropped).jpg James D. Phelan
 * rowspan=3 align=right | PHELAN, JAMES D. HONORABLE LCCN2016858166 (cropped).jpg James D. Phelan

! rowspan=16 | 19
 * - style="height:2em"
 * rowspan=16 align=left | Portrait of Senator Hiram Johnson of California, 1926.jpeg Hiram Johnson
 * rowspan=16 | Republican
 * rowspan=16 nowrap | Mar 4, 1917 – Aug 6, 1945
 * rowspan=3 | Elected in 1916.Not seated until March 16 in order to remain Governor of California.
 * rowspan=3 | 13


 * - style="height:2em"

! rowspan=6 | 9
 * - style="height:2em"
 * rowspan=3 | 13
 * rowspan=3 | Elected in 1920.
 * rowspan=6 nowrap | Mar 4, 1921 – Mar 3, 1933
 * rowspan=6 | Republican
 * rowspan=6 align=right | Samuel Morgan Shortridge.jpg Samuel M. Shortridge
 * rowspan=6 align=right | Samuel Morgan Shortridge.jpg Samuel M. Shortridge


 * - style="height:2em"
 * rowspan=3 | Re-elected in 1922.
 * rowspan=3 | 14


 * - style="height:2em"


 * - style="height:2em"
 * rowspan=3 | 14
 * rowspan=3 | Re-elected in 1926.Lost renomination.
 * rowspan=3 | Re-elected in 1926.Lost renomination.


 * - style="height:2em"
 * rowspan=3 | Re-elected in 1928.
 * rowspan=3 | 15


 * - style="height:2em"

! rowspan=3 | 10
 * - style="height:2em"
 * rowspan=4 | 15
 * rowspan=3 | Elected in 1932.Lost renomination, then resigned.
 * rowspan=3 nowrap | Mar 4, 1933 – Nov 8, 1938
 * rowspan=3 | Democratic
 * rowspan=3 align=right | William Gibbs McAdoo, 1933.jpg William Gibbs McAdoo
 * rowspan=3 align=right | William Gibbs McAdoo, 1933.jpg William Gibbs McAdoo


 * - style="height:2em"
 * rowspan=4 | Re-elected in 1934.
 * rowspan=4 | 16


 * - style="height:2em"
 * rowspan=2

! 11
 * - style="height:2em"
 * Appointed to finish McAdoo's term.Retired.
 * nowrap | Nov 9, 1938 – Jan 3, 1939
 * | Democratic
 * align=right | ThomasMStorke.jpg Thomas M. Storke

! rowspan=8 | 12
 * - style="height:2em"
 * rowspan=3 | 16
 * rowspan=3 | Elected in 1938.
 * rowspan=8 nowrap | Jan 3, 1939 – Nov 30, 1950
 * rowspan=8 | Democratic
 * rowspan=8 align=right | SDowney.jpg Sheridan Downey
 * rowspan=8 align=right | SDowney.jpg Sheridan Downey


 * - style="height:2em"
 * rowspan=3 | Re-elected in 1940.Died.
 * rowspan=5 | 17


 * - style="height:2em"


 * - style="height:2em"
 * rowspan=3
 * rowspan=6 | 17
 * rowspan=5 | Re-elected in 1944.Ran for re-election, but dropped out of renomination race due to ill health.Resigned early due to ill health.


 * - style="height:2em"
 * colspan=3 | Vacant
 * nowrap | Aug 7, 1945 – Aug 25, 1945

! rowspan=9 | 20
 * - style="height:2em"
 * rowspan=9 align=left | Portrait of California Senator William F. Knowland.jpg William Knowland
 * rowspan=9 | Republican
 * rowspan=9 nowrap | Aug 26, 1945 – Jan 3, 1959
 * Appointed to continue Johnson's term.Elected in 1946 to finish Johnson's term.


 * - style="height:2em"
 * rowspan=5 | Re-elected to full term in 1946.
 * rowspan=5 | 18


 * - style="height:2em"
 * rowspan=2

! rowspan=2 | 13
 * - style="height:2em"
 * Appointed to finish Downey's term, having been elected to the next term.
 * rowspan=2 nowrap | Dec 1, 1950 – Jan 1, 1953
 * rowspan=2 | Republican
 * rowspan=2 align=right | Senator Richard Nixon (1).jpg Richard Nixon


 * - style="height:7em"
 * rowspan=2
 * rowspan=4 | 18
 * Elected in 1950.Resigned to become U.S. Vice President.

! rowspan=12 | 14
 * - style="height:2em"
 * rowspan=3 | Appointed to continue Nixon's term.Elected in 1954 to finish Nixon's term.
 * rowspan=12 nowrap | Jan 2, 1953 – Jan 3, 1969
 * rowspan=12 | Republican
 * rowspan=12 align=right | Thomas Kuchel.jpg Thomas Kuchel


 * - style="height:2em"
 * rowspan=3 | Re-elected in 1952.Retired to run for Governor of California.
 * rowspan=3 | 19


 * - style="height:2em"


 * - style="height:2em"
 * rowspan=3 | 19
 * rowspan=3 | Re-elected in 1956.
 * rowspan=3 | Re-elected in 1956.

! rowspan=3 | 21
 * - style="height:2em"
 * rowspan=3 align=left | Clair Engle.jpg Clair Engle
 * rowspan=3 | Democratic
 * rowspan=3 nowrap | Jan 3, 1959 – Jul 30, 1964
 * rowspan=3 | Elected in 1958.Died.
 * rowspan=6 | 20


 * - style="height:2em"


 * - style="height:2em"
 * rowspan=4
 * rowspan=6 | 20
 * rowspan=6 | Re-elected in 1962.Lost renomination.


 * - style="height:2em"
 * colspan=3 | Vacant
 * nowrap | Jul 31, 1964 – Aug 3, 1964

! 22
 * - style="height:2em"
 * align=left | PierreSalinger.jpg Pierre Salinger
 * | Democratic
 * nowrap | Aug 4, 1964 – Dec 31, 1964
 * Appointed to finish Engle's term.Lost election to full term, resigned early to give successor preferential seniority.

! rowspan=4 | 23
 * - style="height:2em"
 * rowspan=4 align=left | George Murphy (R-CA).jpg George Murphy
 * rowspan=4 | Republican
 * rowspan=4 nowrap | Jan 1, 1965 – Jan 1, 1971
 * Appointed early to finish Engle's term, having been elected to the next term.


 * - style="height:2em"
 * rowspan=3 | Elected in 1964.Lost re-election, resigned early to give successor preferential seniority.
 * rowspan=4 | 21


 * - style="height:2em"

! rowspan=16 | 15
 * - style="height:2em"
 * rowspan=2
 * rowspan=4 | 21
 * rowspan=4 | Elected in 1968.
 * rowspan=16 nowrap | Jan 3, 1969 – Jan 3, 1993
 * rowspan=16 | Democratic
 * rowspan=16 align=right | Alan Cranston 1969 Color.jpg Alan Cranston

! rowspan=4 | 24
 * - style="height:2em"
 * rowspan=4 align=left | Sen John V Tunney.jpg John V. Tunney
 * rowspan=4 | Democratic
 * rowspan=4 nowrap | Jan 2, 1971 – Jan 1, 1977
 * Appointed to finish Murphy's term, having been elected to the next term.


 * - style="height:2em"
 * rowspan=3 | Elected in 1970.Lost re-election, resigned early to give successor preferential seniority.
 * rowspan=4 | 22


 * - style="height:2em"


 * - style="height:2em"
 * rowspan=2
 * rowspan=4 | 22
 * rowspan=4 | Re-elected in 1974.

! rowspan=4 | 25
 * - style="height:2em"
 * rowspan=4 align=left | SIHayakawa.jpg S. I. Hayakawa
 * rowspan=4 | Republican
 * rowspan=4 nowrap | Jan 2, 1977 – Jan 3, 1983
 * Appointed to finish Tunney's term, having been elected to the next term.


 * - style="height:2em"
 * rowspan=3 | Elected in 1976.Retired.
 * rowspan=3 | 23


 * - style="height:2em"


 * - style="height:2em"
 * rowspan=3 | 23
 * rowspan=3 | Re-elected in 1980.
 * rowspan=3 | Re-elected in 1980.

! rowspan=5 | 26
 * - style="height:2em"
 * rowspan=5 align=left | PeteWilson (3x4a).jpg Pete Wilson
 * rowspan=5 | Republican
 * rowspan=5 nowrap | Jan 3, 1983 – Jan 7, 1991
 * rowspan=3 | Elected in 1982.
 * rowspan=3 | 24


 * - style="height:2em"


 * - style="height:2em"
 * rowspan=5 | 24
 * rowspan=5 | Re-elected in 1986.Retired.
 * rowspan=5 | Re-elected in 1986.Retired.


 * - style="height:2em"
 * rowspan=2 | Re-elected in 1988.Resigned to become Governor of California.
 * rowspan=5 | 25


 * - style="height:2em"
 * rowspan=3

! 27
 * - style="height:2em"
 * align=left | John F Seymour.jpg John Seymour
 * | Republican
 * nowrap | Jan 7, 1991 – Nov 3, 1992
 * Appointed to continue Wilson's term.Lost election to finish Wilson's term.

! rowspan=18 | 28
 * - style="height:2em"
 * rowspan=18 align=left | Dianne Feinstein congressional portrait.jpg Dianne Feinstein
 * rowspan=18 | Democratic
 * rowspan=18 | Nov 4, 1992 – Sep 29, 2023
 * rowspan=2 | Elected in 1992 to finish Wilson's term.

! rowspan=12 | 16
 * - style="height:2em"
 * rowspan=3 | 25
 * rowspan=3 | Elected in 1992.
 * rowspan=12 | Jan 3, 1993 – Jan 3, 2017
 * rowspan=12 | Democratic
 * rowspan=12 align=right | Barbara Boxer 2005.jpg Barbara Boxer
 * rowspan=12 align=right | Barbara Boxer 2005.jpg Barbara Boxer


 * - style="height:2em"
 * rowspan=3 | Re-elected in 1994.
 * rowspan=3 | 26


 * - style="height:2em"


 * - style="height:2em"
 * rowspan=3 | 26
 * rowspan=3 | Re-elected in 1998.
 * rowspan=3 | Re-elected in 1998.


 * - style="height:2em"
 * rowspan=3 | Re-elected in 2000.
 * rowspan=3 | 27


 * - style="height:2em"


 * - style="height:2em"
 * rowspan=3 | 27
 * rowspan=3 | Re-elected in 2004.
 * rowspan=3 | Re-elected in 2004.


 * - style="height:2em"
 * rowspan=3 | Re-elected in 2006.
 * rowspan=3 | 28


 * - style="height:2em"


 * - style="height:2em"
 * rowspan=3 | 28
 * rowspan=3 | Re-elected in 2010.Retired.
 * rowspan=3 | Re-elected in 2010.Retired.


 * - style="height:2em"
 * rowspan=3 | Re-elected in 2012.
 * rowspan=3 | 29


 * - style="height:2em"

! rowspan=3 | 17
 * - style="height:2em"
 * rowspan=4 | 29
 * rowspan=3 | Elected in 2016.Resigned to become U.S. Vice President.
 * rowspan=3 nowrap | Jan 3, 2017 – Jan 18, 2021
 * rowspan=3 | Democratic
 * rowspan=3 align=right | Senator Harris official senate portrait.jpg Kamala Harris
 * rowspan=3 align=right | Senator Harris official senate portrait.jpg Kamala Harris


 * - style="height:2em"
 * rowspan=4 | Re-elected in 2018.Announced retirement, then died.
 * rowspan=7 | 30


 * - style="height:2em"
 * rowspan=2

! rowspan=7 | 18
 * - style="height:2em"
 * Appointed to continue Harris's term.Elected in 2022 to finish Harris's term.
 * rowspan=7 nowrap | Jan 18, 2021 – present
 * rowspan=7 | Democratic
 * rowspan=7 align=right | Alex Padilla 117th Congress portrait.jpg Alex Padilla


 * - style="height:2em"
 * rowspan=4
 * rowspan=6 | 30
 * rowspan=6 | Elected to full term in 2022.


 * - style="height:2em"
 * colspan=3 | Vacant
 * nowrap | Sep 29, 2023 – Oct 1, 2023

! 29
 * - style="height:2em"
 * align=left | Laphonza Butler Senate photo, 2023 (cropped).jpg Laphonza Butler
 * | Democratic
 * nowrap | Oct 1, 2023 – present
 * Appointed to continue Feinstein's term.Retiring when her successor will be elected.


 * - style="height:2em"
 * colspan=5 | To be determined in the 2024 special election.


 * - style="height:2em"
 * rowspan=3 colspan=5 | To be determined in the 2024 election.
 * rowspan=3 | 31


 * - style="height:2em"


 * - style="height:2em"
 * 31
 * colspan=5 | To be determined in the 2028 election.
 * colspan=5 | To be determined in the 2028 election.