| District: | 9 |
| Chamber: | Senate |
| Population: | 940,601[1] |
| Population Year: | 2010 |
| Voting Age: | 743,998 |
| Citizen Voting Age: | 595,108 |
| Percent White: | 31.82 |
| Percent Black: | 19.81 |
| Percent Latino: | 23.94 |
| Percent Asian: | 21.62 |
| Percent Native American: | 0.55 |
| Percent Pacific Islander: | 0.53 |
| Percent Other Race: | 0.45 |
| Percent Remainder Of Multiracial: | 1.28 |
| Registered: | 575,696[2] |
| Democratic: | 66.05 |
| Republican: | 5.96 |
| Npp: | 23.78 |
California's 9th senatorial district is one of 40 California State Senate districts. It is currently represented by Democrat Nancy Skinner of Berkeley.
The district encompasses the East Bay and consists of the urban, coastal northwestern portion of Alameda County, and western portion of Contra Costa County, including Alameda, Oakland, Piedmont, Emeryville, Berkeley, El Cerrito, and Richmond.
| Year | Office | Results |
|---|---|---|
| 2021 | Recall | align="right" No 89.6 – 10.4% |
| 2020 | President | Biden 87.8 – 10.2% |
| 2018 | Governor | Newsom 88.9 – 11.1% |
| Senator | Feinstein 59.8 – 40.2% | |
| 2016 | President | Clinton 85.6 – 7.8% |
| Senator | Harris 79.1 – 20.9% | |
| 2014 | Governor | Brown 90.2 – 9.8% |
| 2012 | President | Obama 86.8 – 9.9% |
| Senator | Feinstein 90.0 – 10.0% | |
| 2010 | Governor | Brown 79.9 – 16.5% |
| Senator | Boxer 79.5 – 16.7% | |
| 2008 | President | Obama 84.0 – 14.1% |
| 2006 | Governor | Angelides 62.1 – 29.8% |
| Senator | Feinstein 67.6 – 28.0% | |
| 2004 | President | Kerry 81.1 – 17.5% |
| Senator | Boxer 80.1 – 15.6% | |
| 2003 | Recall | No 77.0 – 23.0% |
| Bustamante 60.7 – 19.4% | ||
| 2002 | Governor | Davis 65.0 – 16.8% |
| 2000 | President | Gore 78.9 – 12.6% |
| Senator | Feinstein 74.0 – 12.6% | |
| 1998 | Governor | Davis 83.3 – 12.4% |
| Senator | Boxer 80.9 – 16.6% | |
| 1996 | President | Clinton 75.5 – 13.0% |
| 1994 | Governor | Brown 74.0 – 22.9% |
| Senator | Feinstein 80.2 – 14.0% | |
| 1992 | President | Clinton 77.3 – 12.5% |
| Senator | Boxer 79.4 – 15.2% | |
| Senator | Feinstein 82.4 – 13.4% |
Due to redistricting, the 9th 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 | |
|---|---|---|---|---|---|
| John J. Harrigan | Democratic | January 8, 1883 - January 5, 1885 | San Francisco | Both Harrigan and McCarthy served together.[3] | |
| Timothy McCarthy | January 8, 1883 - January 5, 1885 | ||||
| Egisto C. Palmieri | Republican | January 5, 1885 - January 3, 1887 | Both Palmieri and Parkinson served together.[4] | ||
| George C. Parkinson | January 5, 1885 - January 3, 1887 | ||||
| Henry Clay Gesford | Democratic | January 3, 1887 - January 7, 1889 | Napa, Yolo | ||
| Frank S. Sprague | Republican | January 7, 1889 - January 2, 1893 | |||
| J. B. Hoyt | January 2, 1893 - January 4, 1897 | Solano | |||
| John J. Luchsinger | January 4, 1897 - January 2, 1905 | ||||
| Charles Mortimer Belshaw | January 2, 1905 - January 4, 1909 | Contra Costa, Marin | |||
| Ennio Batista Martinelli | January 4, 1909 - January 6, 1913 | ||||
| James Curtis Owens | Democratic | January 6, 1913 - January 8, 1917 | |||
| William R. Sharkey | Republican | January 8, 1917 - January 2, 1933 | |||
| Andrew L. Pierovich | Democratic | January 2, 1933 - January 6, 1941 | Alpine, Amador, El Dorado | ||
| Harley E. Dillinger | January 6, 1941 - January 5, 1953 | ||||
| Swift Berry | Republican | January 5, 1953 - January 2, 1961 | Amador, El Dorado | ||
| John C. Begovich | Democratic | January 2, 1961 - January 2, 1967 | |||
| J. Eugene McAteer | January 2, 1967 - May 26, 1967 | San Francisco | Died in office. Died from a heart attack while playing handball at the Olympic Club.[5] | ||
| Milton Marks | Republican | September 4, 1967 - November 30, 1976 | Sworn in after winning special election.[6] | ||
| Nicholas C. Petris | Democratic | December 6, 1976 - November 30, 1996 | Alameda | ||
| Alameda, Contra Costa | |||||
| Barbara Lee | December 2, 1996 - April 17, 1998 | Resigned to become a member of Congress for the 9th Congressional district.[7] | |||
| Don Perata | December 7, 1998 – November 30, 2008 | ||||
| Loni Hancock | December 1, 2008 – November 30, 2016 | ||||
| Nancy Skinner | December 5, 2016 – present | ||||