| District: | 37 |
| Chamber: | Senate |
| Population: | 937,986[1] |
| Population Year: | 2010 |
| Voting Age: | 734,844 |
| Citizen Voting Age: | 613,024 |
| Percent White: | 56.00 |
| Percent Black: | 1.56 |
| Percent Latino: | 21.67 |
| Percent Asian: | 19.20 |
| Percent Native American: | 0.47 |
| Percent Pacific Islander: | 0.32 |
| Percent Other Race: | 0.29 |
| Percent Remainder Of Multiracial: | 0.48 |
| Registered: | 623,039[2] |
| Democratic: | 37.11 |
| Republican: | 32.65 |
| Npp: | 24.32 |
California's 37th senatorial district is one of 40 California State Senate districts. It is currently represented by of .
The district encompasses central Orange County, centered on the city of Irvine. The district contains a mix of coastal beaches, suburban sprawl, and the Santa Ana Mountains.
| Year | Office | Results |
|---|---|---|
| 2022 | Governor | Newsom 50.7 – 49.3% |
| Senator | Padilla 52.0 - 48.0% | |
| 2021 | Recall | align="right" No 52.5 – 47.5% |
| 2020 | President | Biden 54.3 – 43.6% |
| 2018 | Governor | Newsom 50.2 – 49.8% |
| Senator | Feinstein 54.1 – 45.9% | |
| 2016 | President | Clinton 50.0 – 44.0% |
| Senator | Harris 59.0 – 41.0% | |
| 2014 | Governor | Kashkari 57.7 – 42.3% |
| 2012 | President | Romney 53.7 – 43.9% |
| Senator | Emken 54.6 – 45.4% |
| Senators | Party | Years served | Electoral history | Counties represented | |
|---|---|---|---|---|---|
| District established January 3, 1887 | |||||
George Steele | Republican | January 3, 1887 – January 7, 1889 | Redistricted from the 3rd district and re-elected in 1886. Retired. | San Luis Obispo, Santa Barbara, Venutra | |
E. H. Heacock | Republican | January 7, 1889 – January 2, 1893 | Elected in 1888. | ||
John R. Mathews | Democratic | January 2, 1893 – January 25, 1896 | Elected in 1892. Resigned. | Los Angeles | |
| Vacant | January 25, 1896 – January 4, 1897 | ||||
Robert N. Bulla | Republican | January 4, 1897 – January 1, 1901 | Elected in 1896. | ||
Frederick M. Smith | Republican | January 1, 1901 – January 2, 1905 | Elected in 1900. | ||
| 100px Henry E. Carter | Republican | January 2, 1905 – January 4, 1909 | Elected in 1904. | ||
Henry M. Hurd | Republican | January 4, 1909 – January 6, 1913 | Elected in 1908. | ||
William E. Brown | Republican | January 6, 1913 – January 3, 1921 | Elected in 1912. Re-elected in 1916. | ||
Newton M. Allen | Republican | January 3, 1921 – January 7, 1929 | Elected in 1920. Re-elected in 1924. | ||
George W. Rochester | Republican | January 7, 1929 – January 2, 1933 | Elected in 1928. | ||
Leonard J. Difani | Republican | January 2, 1933 – January 4, 1937 | Elected in 1932. Lost renomination. | Riverside | |
John R. Phillips | Republican | January 4, 1937 – November 15, 1942 | Elected in 1936. Re-elected in 1940. Resigned to become a member of the U.S. House of Representatives. | ||
| Vacant | November 15, 1942 – January 8, 1945 | ||||
Nelson S. Dilworth | Republican | January 8, 1945 – January 2, 1961 | Elected in 1944. Re-elected in 1948. Re-elected in 1952. Re-elected in 1956. Retired. | ||
Lee Backstrand | Republican | January 2, 1961 – April 26, 1964 | Elected in 1960. Won renomination, then died. | ||
| Vacant | April 26, 1964 – January 4, 1965 | ||||
Gordon Cologne | Republican | January 4, 1965 – January 2, 1967 | Replaced Backstrand on ballot and elected in 1964. Redistricted to the 36th district. | ||
George Deukmejian | Republican | January 2, 1967 – November 30, 1976 | Elected in 1966. Re-elected in 1968. Re-elected in 1972. Redistricted to the 31st district. | Los Angeles | |
Paul B. Carpenter | Democratic | December 6, 1976 – November 30, 1984 | Elected in 1976. Re-elected in 1980. Redistricted to the 33rd district. | Orange | |
Marian Bergeson | Republican | December 3, 1984 – November 30, 1992 | Elected in 1984. Re-elected in 1988. Redistricted to the 35th district. | Imperial, Orange, Riverside, San Diego | |
David G. Kelley | Republican | December 7, 1992 – November 30, 2000 | Elected in 1992. Re-elected in 1992. Retired to run for State Assembly. | Imperial, Riverside, San Diego | |
Jim Battin | Republican | December 4, 2000 – November 30, 2008 | |||
| Elected in 2000. Re-elected in 2004. Termed out. | Riverside | ||||
John J. Benoit | Republican | December 1, 2008 – November 30, 2009 | Elected in 2008. Resigned to become a member of the Riverside County Board of Supervisors. | ||
| Vacant | November 30, 2009 – June 9, 2010 | ||||
Bill Emmerson | Republican | June 9, 2010 – November 30, 2012 | Elected to finish Benoit's term. Redistricted to the 23rd district. | ||
Mimi Walters | Republican | December 3, 2012 – January 3, 2015 | Redistricted from the 33rd district and re-elected in 2012. Retired to become a member of the U.S. House of Representatives.[3] | Orange | |
| Vacant | January 3, 2015 – March 22, 2015 | ||||
John Moorlach | Republican | March 22, 2015 – November 30, 2020 | Elected to finish vacant term. Re-elected in 2018. Lost re-election. | ||
Dave Min | Democratic | December 7, 2020 – present | Elected in 2020. Retiring at end of term to run for the U.S. House of Representatives.[4] | ||