California's 25th State Senate district
Current senator	Sasha Renée Pérez D–Alhambra
Population (2010)  • Voting age  • Citizen voting age	926,935[1] 735,320[1] 625,479[1]
Demographics	52.19% White 5.17% Black 25.97% Latino 15.19% Asian 0.43% Native American 0.20% Hawaiian/Pacific Islander 0.33% other 0.52[1]% remainder of multiracial
Registered voters	604,271[2]
Registration	45.41% Democratic 24.49% Republican 24.68% No party preference

California's 25th senatorial district is one of 40 California State Senate districts. It is currently represented by Democrat Sasha Renée Pérez of Alhambra.

The district encompasses most of the San Gabriel Mountains and its adjacent San Gabriel Valley foothill communities. It stretches from the eastern San Fernando Valley in the west to the far western Inland Empire in the east. Most of the district's population is in the western half of the district, anchored by Glendale and Pasadena.

Senators	Party	Years served	Electoral history	Counties represented
District established January 6, 1862
J. Granville Doll (Red Bluff)	Union Democratic	January 6, 1862 – December 7, 1863	Elected in 1861. Re-elected in 1862. [data missing]	Colusa, Tehama
John A. Rush (Colusa)	Democratic	December 7, 1863 – December 2, 1867	Elected in 1863. Re-elected in 1865. [data missing]
Edward J. Lewis (Tehama)	Democratic	December 2, 1867 – December 4, 1871	Elected in 1867. Re-elected in 1868. Retired to run for Lieutenant Governor.
John Boggs (Colusa)	Democratic	December 4, 1871 – December 6, 1875	Elected in 1871. Re-elected in 1873. [data missing]
Stephen L. Spencer (Camptonville)	Republican	December 6, 1875 – December 3, 1877	Elected in 1875. [data missing]	Sutter, Yuba
Jesse O. Goodwin (Marysville)	Republican	December 3, 1877 – January 5, 1880	Elected in 1877. [data missing]
Edwin A. Davis (Marysville)	Republican	December 3, 1877 – January 8, 1883	Elected in 1879. Re-elected in 1880. [data missing]
Augustus L. Chandler (Nicolaus)	Republican	January 8, 1883 – January 3, 1887	Elected in 1882. [data missing]
D. J. McCarthy (San Francisco)	Democratic	January 3, 1887 – January 7, 1889	Elected in 1886. [data missing]	San Francisco
James E. Britt (San Francisco)	Democratic	January 7, 1889 – January 2, 1893	Elected in 1888. [data missing]
John Fay (San Francisco)	Democratic	January 2, 1893 – January 4, 1897	Elected in 1892. [data missing]
John Feeney (San Francisco)	Democratic	January 4, 1897 – January 1, 1901	Elected in 1896. [data missing]
John H. Nelson (San Francisco)	Republican	January 1, 1901 – January 4, 1909	Elected in 1900. Re-elected in 1904. [data missing]
Lester G. Burnett (San Francisco)	Republican	January 4, 1909 – January 6, 1913	Elected in 1908. [data missing]
David W. Mott (Santa Paula)	Republican	January 6, 1913 – January 8, 1917	Elected in 1912. [data missing]	Santa Barbara, Ventura
J. R. Thompson (Santa Barbara)	Democratic	January 8, 1917 – January 3, 1921	Elected in 1916. [data missing]
F. A. Arbuckle (Santa Barbara)	Republican	January 3, 1921 – January 5, 1925	Elected in 1920. [data missing]
John J. Hollister Sr. (Gaviota)	Republican	January 5, 1925 – January 7, 1929	Elected in 1924. [data missing]
Walter H. Duval (Santa Paula)	Republican	January 7, 1929 – January 2, 1933	Elected in 1928. Redistricted to the 33rd district.
Edward H. Tickle (Monterey)	Republican	January 2, 1933 – January 8, 1945	Elected in 1932. Re-elected in 1936. Re-elected in 1940. [data missing]	Monterey, San Benito
Frederick Weybret (Salinas)	Republican	January 8, 1945 – January 31, 1955	Elected in 1944. Re-elected in 1948. Re-elected in 1952. Died.	Monterey, San Benito
				Monterey
Vacant		January 31, 1955 – May 23, 1955
Fred Farr (Carmel)	Democratic	May 23, 1955 – January 2, 1967	Elected to finish Weybret's term. Re-elected in 1956. Re-elected in 1960. Re-elected in 1964. Redistricted to the 17th district and lost re-election.
Robert S. Stevens (Santa Monica)	Republican	January 2, 1967 – November 30, 1976	Elected in 1966. Re-elected in 1968. Re-elected in 1972. Retired to become a judge of the Los Angeles County Superior Court.	Los Angeles
H. L. Richardson (Glendora)	Republican	December 6, 1976 – November 30, 1988	Redistricted from the 19th district and re-elected in 1976. Re-elected in 1980. Re-elected in 1984. Retired.
				Inyo, Los Angeles, San Bernardino
Bill Leonard (San Bernardino)	Republican	December 5, 1988 – November 30, 1992	Elected in 1988. Redistricted to the 31st district.
Tessa P. Hughes (Los Angeles)	Democratic	December 7, 1992 – November 30, 2000	Elected in 1992. Re-elected in 1996. Retired due to term limits.	Los Angeles
Edward Vincent (Inglewood)	Democratic	December 4, 2000 – November 4, 2008	Elected in 2000. Re-elected in 2004. Retired due to term limits.
Roderick Wright (Inglewood)	Democratic	December 1, 2008 – November 30, 2012	Elected in 2008. Redistricted to the 35th district.
Carol Liu (La Cañada Flintridge)	Democratic	December 3, 2012 – November 30, 2016	Redistricted from the 21st district and re-elected in 2012. Retired due to term limits.	Los Angeles, San Bernardino
Anthony Portantino (La Cañada Flintridge)	Democratic	December 5, 2016 – November 30, 2024	Elected in 2016. Re-elected in 2020. Retired due to term limits and ran for U.S. House of Representatives.
Sasha Renée Pérez (Alhambra)	Democratic	December 2, 2024 – present	Elected in 2024.

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

• District map from the California Citizens Redistricting Commission