| District: | 15 |
| Chamber: | Senate |
| Population: | 928,584[1] |
| Population Year: | 2010 |
| Voting Age: | 698,809 |
| Citizen Voting Age: | 539,225 |
| Percent White: | 34.28 |
| Percent Black: | 2.74 |
| Percent Latino: | 30.04 |
| Percent Asian: | 31.18 |
| Percent Native American: | 0.47 |
| Percent Pacific Islander: | 0.41 |
| Percent Other Race: | 0.25 |
| Percent Remainder Of Multiracial: | 0.64 |
| Registered: | 498,633[2] |
| Democratic: | 47.86 |
| Republican: | 17.17 |
| Npp: | 30.83 |
California's 15th senatorial district is one of 40 California State Senate districts. It is currently represented by Democrat Dave Cortese of San Jose.
The district encompasses central and eastern Santa Clara County. Most of the district's population lives in San Jose, but it also includes some outlying areas like Mount Hamilton, Coyote, Sveadal, Morgan Hill, and Gilroy.
| Year | Office | Results |
|---|---|---|
| 2021 | Recall | align="right" No 72.0 – 28.0% |
| 2020 | President | Biden 71.7 – 26.2% |
| 2018 | Governor | Newsom 70.8 – 29.2% |
| Senator | Feinstein 59.7 – 40.3% | |
| 2016 | President | Clinton 73.0 – 21.3% |
| Senator | Harris 65.3 – 34.7% | |
| 2014 | Governor | Brown 72.5 – 27.5% |
| 2012 | President | Obama 69.8 – 27.8% |
| Senator | Feinstein 72.5 – 27.5% |
| Election results from statewide races | ||
|---|---|---|
| Year | Office | Results |
| 2000 | President | Gore 58.4 - 34.5% |
| Senator | Feinstein 56.9 - 34.5% | |
| 1998 | Governor | Davis 61.7 - 33.5% |
| Senator | Boxer 56.5 - 39.0% | |
| 1996 | President | Clinton 54.1 - 33.2% |
| 1994 | Governor | Wilson 48.6 - 46.6% |
| Senator | Feinstein 50.4 - 39.5% | |
| 1992 | President | Clinton 50.4 - 27.8% |
| Senator | Boxer 55.0 - 36.8% | |
| Senator | Feinstein 62.1 - 31.3% | |
Due to redistricting, the 15th district has been moved around different parts of the state. The current iteration resulted from the 2011 redistricting by the California Citizens Redistricting Commission.
| Senators | Party | Years served | Counties represented | Notes | |
|---|---|---|---|---|---|
| Warren B. English | Democratic | January 8, 1883 - January 5, 1885 | Contra Costa, Marin | ||
| Frank Coye De Long | Republican | January 5, 1885 - January 3, 1887 | |||
| Joshua Plummer Abbott | January 3, 1887 - January 7, 1889 | ||||
| Frank Coye De Long | January 7, 1889 - January 2, 1893 | ||||
| Benjamin Franklin Langford | Democratic | January 2, 1893 - January 1, 1901 | San Joaquin | ||
| August Edward Muenter | Republican | January 1, 1901 - January 2, 1905 | |||
| George Russell Lukens | January 2, 1905 - January 4, 1909 | Alameda | |||
| John Walter Stetson | January 4, 1909 - January 6, 1913 | ||||
| Arthur H. Breed Sr. | January 6, 1913 - January 5, 1931 | At the time when the Lieutenant Governor's seat became vacant, he temporary becoming acting Lieutenant Governor. | |||
| Thomas McCormack | January 2, 1933 - January 3, 1949 | Solano | |||
| Luther E. Gibson | Democratic | January 3, 1949 - January 6, 1967 | |||
| Howard Way | Republican | January 6, 1967 - November 30, 1976 | Fresno, Inyo, Madera, Mariposa, Merced, Mono, Tulare | ||
| Rose Ann Vuich | Democratic | December 6, 1976 - November 30, 1992 | Fresno, Kern, Kings, Tulare | ||
| Fresno, Tulare | |||||
| Henry J. Mello | December 7, 1992 - November 30, 1996 | Monterey, San Benito, Santa Clara, Santa Cruz | |||
| Bruce McPherson | Republican | December 2, 1996 – November 30, 2004 | |||
| Abel Maldonado | December 6, 2004 – April 27, 2010 | Monterey, San Luis Obispo, Santa Barbara, Santa Clara, Santa Cruz | Resigned to become Lieutenant Governor of California. | ||
| Sam Blakeslee | August 23, 2010 - November 30, 2012 | Sworn in after winning special election. | |||
| Jim Beall | Democratic | December 3, 2012 – November 30, 2020 | Santa Clara | ||
| Dave Cortese | December 7, 2020 – present | ||||