| District: | 10 |
| Chamber: | Senate |
| Population: | 923,707[1] |
| Population Year: | 2010 |
| Voting Age: | 704,066 |
| Citizen Voting Age: | 524,928 |
| Percent White: | 25.41 |
| Percent Black: | 5.98 |
| Percent Latino: | 24.33 |
| Percent Asian: | 41.12 |
| Percent Native American: | 0.48 |
| Percent Pacific Islander: | 1.15 |
| Percent Other Race: | 0.26 |
| Percent Remainder Of Multiracial: | 1.26 |
| Registered: | 482,785[2] |
| Democratic: | 51.03 |
| Republican: | 13.67 |
| Npp: | 31.28 |
California's 10th senatorial district is one of 40 California State Senate districts. It is currently represented by Democrat Aisha Wahab of Hayward.
The district includes the East Bay in Alameda County and the northwestern corner of Silicon Valley in Santa Clara County, including Fremont, Hayward, Union City, Newark, Milpitas, Sunnyvale, and Santa Clara.
| Year | Office | Results |
|---|---|---|
| 2021 | Recall | align="right" No 74.1 – 25.9% |
| 2020 | President | Biden 73.2 – 24.8% |
| 2018 | Governor | Newsom 73.2 – 26.8% |
| Senator | Feinstein 59.3 – 40.7% | |
| 2016 | President | Clinton 74.7 – 19.8% |
| Senator | Harris 67.3 – 32.7% | |
| 2014 | Governor | Brown 76.1 – 23.9% |
| 2012 | President | Obama 74.3 – 23.4% |
| Senator | Feinstein 76.9 – 23.1% |
| Election results from statewide races | ||
|---|---|---|
| Year | Office | Results |
| 2002 | Governor | Davis 60.9 - 29.7% |
| 2000 | President | Gore 63.5 - 32.4% |
| Senator | Feinstein 64.3 - 30.0% | |
| 1998 | Governor | Davis 66.0 - 29.9% |
| Senator | Boxer 60.4 - 36.2% | |
| 1996 | President | Clinton 58.6 - 30.0% |
| 1994 | Governor | Brown 48.5 - 47.2% |
| Senator | Feinstein 57.3 - 35.0% | |
| 1992 | President | Clinton 61.3 - 27.2% |
| Senator | Boxer 55.8 - 33.5% | |
| Senator | Feinstein 64.3 - 28.7% | |
Due to redistricting, the 10th 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 | |
|---|---|---|---|---|---|
| George H. Perry | Republican | January 8, 1883 - January 3, 1887 | San Francisco | Served together with David McClure.[3] | |
| David McClure | January 8, 1883 - January 3, 1887 | ||||
| Edward C. Hinshaw | Democratic | January 3, 1887 - January 5, 1891 | Sonoma | ||
| James W. Ragsdale | Republican | January 5, 1891 - January 7, 1895 | |||
| John Charles Holloway | January 7, 1895 - January 2, 1899 | ||||
| James C. Sims | Democratic | January 2, 1899 - January 5, 1903 | |||
| William Chapman Ralston, Jr. | Republican | January 5, 1903 - January 7, 1907 | Alpine, Amador, Calaveras, El Dorado, Mono | ||
| Anthony Caminetti | Democratic | January 7, 1907 - January 4, 1915 | |||
| James Wilson Struckenbruck | January 4, 1915 - January 6, 1919 | San Joaquin | |||
| Frank S. Boggs | January 6, 1919 - January 5, 1931 | Amador, San Joaquin | |||
| William P. Rich | Republican | January 5, 1931 - January 8, 1951 | Sutter, Yuba County, California | ||
| Edward C. Johnson | January 8, 1951 - January 7, 1963 | ||||
| Harold Thomas Sedgwick | January 7, 1963 - January 2, 1967 | ||||
| George Moscone | Democratic | January 2, 1967 - November 30, 1974 | San Francisco | ||
| Arlen F. Gregorio | December 2, 1974 - November 30, 1978 | San Mateo, Santa Clara | |||
| Marz Garcia | Republican | December 4, 1978 - November 30, 1982 | Los Angeles | ||
| Bill Lockyer | Democratic | December 6, 1982 - November 30, 1998 | Alameda | ||
| Alameda, Santa Clara | |||||
| Liz Figueroa | December 7, 1998 - November 30, 2006 | ||||
| Ellen Corbett | December 4, 2006 – November 30, 2014 | ||||
| Bob Wieckowski | December 1, 2014 - December 4, 2022 | ||||
| Aisha Wahab | December 4, 2022 – present | ||||