| District: | 31 |
| Chamber: | Assembly |
| Population: | 468,265[1] |
| Population Year: | 2010 |
| Voting Age: | 314,850 |
| Citizen Voting Age: | 211,837 |
| Percent White: | 17.28 |
| Percent Black: | 4.77 |
| Percent Latino: | 68.14 |
| Percent Asian: | 8.34 |
| Percent Native American: | 0.76 |
| Percent Pacific Islander: | 0.09 |
| Percent Other Race: | 0.22 |
| Percent Remainder Of Multiracial: | 0.38 |
| Registered: | 174,654 |
| Democratic: | 47.49 |
| Republican: | 26.72 |
| Npp: | 21.34 |
California's 31st State Assembly district is one of 80 California State Assembly districts. It is currently represented by Democrat Joaquin Arambula of Fresno.
The district encompasses western Fresno County and is anchored by the city of Fresno. Located in the middle of the Central Valley, the district is heavily agricultural and Latino.
Fresno County – 50.3%
| Year | Office | Results |
|---|---|---|
| 2021 | Recall | align="right" No 56.6 – 43.4% |
| 2020[2] | President | Biden 61.9 – 36.2% |
| 2018 | Governor | Newsom 58.3 – 41.7% |
| Senator | de Leon 50.7 – 49.3% | |
| 2016 | President | Clinton 62.1 – 32.9% |
| Senator | Sanchez 55.9 – 44.1% | |
| 2014 | Governor | Brown 58.2 – 41.8% |
| 2012 | President | Obama 62.0 – 36.2% |
| Senator | Feinstein 62.6 – 37.4% |
Due to redistricting, the 31st district has been moved around different parts of the state. The current iteration resulted from the 2011 redistricting by the California Citizens Redistricting Commission.
| Assembly members | Party | Years served | Counties represented | Notes | |
|---|---|---|---|---|---|
| Peter Deveny | Republican | January 5, 1885 - January 3, 1887 | San Francisco | ||
| Edwin Lewis | Democratic | January 3, 1887 January 7, 1889 | |||
| Thomas J. Brannan | January 7, 1889 - January 5, 1891 | ||||
| John Hayes | Republican | January 5, 1891 - January 2, 1893 | |||
| John J. Kennedy | Democratic | January 2, 1893 - January 7, 1895 | |||
| J. J. Wilkinson | Republican | January 7, 1895 -January 4, 1897 | |||
| Timothy E. Treacy | Democratic | January 4, 1897 - January 2, 1899 | |||
| Daniel S. O'Brien | January 2, 1899 - January 1, 1901 | ||||
| John J. Hourigan | Republican | January 1, 1901 - January 5, 1903 | |||
| Charles A. Siskron | Democratic | January 5, 1903 - January 2, 1905 | |||
| Jeremiah Lucey | Republican | January 2, 1905 - January 7, 1907 | |||
| Daniel J. Toomey | January 7, 1907 - January 4, 1909 | ||||
| James Edward Hopkins | Union Labor | January 4, 1909 - January 2, 1911 | |||
| Walter A. McDonald | Republican | January 2, 1911 - January 6, 1913 | |||
| Milton L. Schmitt | January 6, 1913 - January 8, 1917 | ||||
| Milton Marks Sr. | January 8, 1917 - January 6, 1919 | ||||
| Albert A. Rosenshine | January 6, 1919 - January 3, 1927 | ||||
| B. J. Feigenbaum | January 3, 1927 - January 2, 1933 | ||||
| C. C. Cottrell | January 2, 1933 - January 2, 1939 | Santa Clara | |||
| M. G. Del Mutolo | Democratic | January 2, 1939 - January 4, 1943 | |||
| George A. Clarke | Republican | January 4, 1943 - January 7, 1957 | Madera, Merced | ||
| Gordon H. Winton | Democratic | January 7, 1957 - January 2, 1967 | |||
| Madera, Merced, San Benito | |||||
| Frank Murphy Jr. | Republican | January 2, 1967 - November 30, 1974 | Merced, San Benito, Santa Cruz | ||
| Ernest N. Mobley | December 2, 1974 - November 30, 1976 | Fresno, Tulare | |||
| Richard H. Lehman | Democratic | December 6, 1976 - November 30, 1982 | |||
| Bruce Bronzan | December 6, 1982 - November 30, 1992 | Fresno | Won re-election but declined to serve another term.[3] | ||
| Cruz Bustamante | April 29, 1993 - November 30, 1998 | Fresno, Tulare | Sworn in after winning special election to fill in vacant seat left by his predecessor after he declined to serve another term.[4] | ||
| Sarah Reyes | December 7, 1998 - November 30, 2004 | ||||
| Juan Arambula | December 6, 2004 - November 30, 2010 | On June 23, 2009 Juan Arambula Changed his party affiliation to independent while in office.[5] | |||
| Independent | |||||
| Henry Perea | Democratic | December 6, 2010 – December 31, 2015 | Resigned from the Assembly to become a lobbyist.[6] | ||
| Fresno | |||||
| Joaquin Arambula | April 14, 2016 – Present | Sworn in after winning special election when his predecessor resigned to become a lobbyist.[7] | |||
| align=center | 1992 • 1993 (special) • 1994 • 1996 • 1998 • 2000 • 2002 • 2004 • 2006 • 2008 • 2010 • 2012 • 2014 • 2016 (special) • 2016 • 2018 • 2020 |