| California's 18th State Assembly district | |||
|---|---|---|---|
 | |||
| Current assemblymember |
| ||
| Population (2010) • Voting age • Citizen voting age | 469,665[1] 365,624[1] 281,791[1] | ||
| Demographics |
| ||
| Registered voters | 270,094 | ||
| Registration | 64.05% Democratic 6.82% Republican 24.79% No party preference | ||
California's 18th State Assembly district is one of 80CaliforniaState Assembly districts. It is currently represented byDemocratMia Bonta ofAlameda after winning the special election. She is married to the currentState Attorney GeneralRob Bonta, who was the former representative of the district.
The district encompasses the centralEast Bay, centered on the city ofOakland.
Alameda County – (28.83%)
|
| Year | Office | Results |
|---|---|---|
| 2021 | Governor | Newsom 90 – 10% |
| Senator | Padilla 90.5 – 9.5% | |
| 2021 | Recall |  No 88.9 – 11.1% |
| 2020 | President[2] | Biden 86.5 – 11.3% |
| 2018 | Governor | Newsom 88.3 – 11.7% |
| Senator | Feinstein 58.9 – 41.1% | |
| 2016 | President | Clinton 85.9 – 8.4% |
| Senator | Harris 78.7 – 21.3% | |
| 2014 | Governor | Brown 89.6 – 10.4% |
| 2012 | President | Obama 86.9 – 10.2% |
| Senator | Feinstein 89.5 – 10.5% |
Due to redistricting, the 18th district has been moved around different parts of the state. The current iteration resulted from the 2021 redistricting by theCalifornia Citizens Redistricting Commission.
| Assembly members | Party | Years served | Counties represented | Notes |
|---|---|---|---|---|
| Hugh McElroy LaRue | Democratic | January 3, 1883 – January 5, 1885 | Sacramento | |
| Winfield J. Davis | Republican | January 5, 1885 – January 3, 1887 | ||
| Harry W. Carroll | January 3, 1887 – January 7, 1889 | |||
| William M. Petrie | January 7, 1889 – January 5, 1891 | |||
| Judson C. Brusie | January 5, 1891 – January 2, 1893 | |||
| Owen Wade | January 2, 1893 – January 4, 1897 | Napa | ||
| Frank Coombs | January 4, 1897 – January 2, 1899 | |||
| Owen Wade | January 2, 1899 – January 1, 1901 | |||
| Edward L. Webber | January 1, 1901 – January 5, 1903 | |||
| John M. Higgins | January 5, 1903 – January 2, 1905 | Sacramento | ||
| Frank J. O'Brien | January 2, 1905 – January 4, 1909 | |||
| Eldridge Lafayette Hawk | January 4, 1909 – January 2, 1911 | |||
| John C. March | January 2, 1911 – January 6, 1913 | |||
| Thomas D. Johnston | January 6, 1913 – January 4, 1915 | Contra Costa | ||
| William R. Sharkey | Progressive | January 4, 1915 – January 8, 1917 | ||
| William E. Calahan | Republican | January 8, 1917 – December 25, 1919 | Died in office.[3] | |
| Vacant | December 25, 1919 – January 3, 1921 | |||
| James N. Long | Republican | January 3, 1921 – January 8, 1923 | ||
| Thomas M. Carlson | January 8, 1923 – January 5, 1925 | |||
| Robert P. Easley | January 5, 1925 – January 5, 1931 | |||
| Edwin H. Zion | January 5, 1931 – January 2, 1933 | Stanislaus | ||
| Charles W. Fisher | January 2, 1933 – January 4, 1937 | Alameda | ||
| Henry A. Dannenbrink | Democratic | January 4, 1937 – January 2, 1939 | ||
| James H. Phillips | Republican | January 2, 1939 – January 4, 1943 | ||
| Gardiner Johnson | January 4, 1943 – January 6, 1947 | |||
| Thomas W. Caldecott | January 6, 1947 – September 26, 1957 | Resigned from theState Assembly to become a judge.[4] | ||
| Vacant | September 26, 1957 – January 3, 1958 | |||
| Don Mulford | Republican | January 3, 1958 – January 7, 1963 | Sworn in after winning a special election.[5] | |
| Edward M. Gaffney | Democratic | January 7, 1963 – January 4, 1965 | San Francisco | |
| Willie Brown | January 4, 1965 – November 30, 1974 | |||
| Leo T. McCarthy | December 2, 1974 – November 30, 1982 | |||
| Alister McAlister | December 6, 1982 – November 30, 1986 | Alameda,Santa Clara | ||
| Delaine Eastin | December 1, 1986 – November 30, 1992 | |||
| Johan Klehs | December 7, 1992 – November 30, 1994 | Alameda | ||
| Michael Sweeny | December 5, 1994 – November 30, 1998 | |||
| Ellen Corbett | December 7, 1998 – November 30, 2004 | |||
| Johan Klehs | December 6, 2004 – November 30, 2006 | |||
| Mary Hayashi | December 4, 2006 – November 30, 2012 | |||
| Rob Bonta | December 3, 2012 – April 23, 2021 | Resigned from theState Assembly to become theAttorney General of California. | ||
| Vacant | April 23, 2021 – September 7, 2021 | |||
| Mia Bonta | Democratic | September 7, 2021 – present | Sworn in after winning special election. | |
| Primary election | ||||
|---|---|---|---|---|
| Party | Candidate | Votes | % | |
| Democratic | Mia Bonta (incumbent) | 73,155 | 84.9 | |
| American Independent | Andre Sandford | 4,582 | 5.3 | |
| Republican | Mindy Pechenuk | 4,397 | 5.1 | |
| Republican | Cheyenne Kenney | 4,012 | 4.7 | |
| Total votes | 86,146 | 100.0 | ||
| General election | ||||
| Democratic | Mia Bonta (incumbent) | 134,073 | 80.3 | |
| American Independent | Andre Sandford | 32,983 | 19.7 | |
| Total votes | 167,056 | 100.0 | ||
| Democratichold | ||||
| Primary election | ||||
|---|---|---|---|---|
| Party | Candidate | Votes | % | |
| Democratic | Mia Bonta | 69,142 | 100.0 | |
| Republican | Mindy Pechenuk (write-in) | 31 | 0.0 | |
| Total votes | 69,173 | 100.0 | ||
| General election | ||||
| Democratic | Mia Bonta | 120,863 | 89.9 | |
| Republican | Mindy Pechenuk | 13,504 | 10.1 | |
| Total votes | 134,367 | 100.0 | ||
| Democratichold | ||||
| Primary election | ||||
|---|---|---|---|---|
| Party | Candidate | Votes | % | |
| Democratic | Mia Bonta | 22,558 | 38.0 | |
| Democratic | Janani Ramachandran | 14,036 | 23.7 | |
| Democratic | Malia Vella | 10,053 | 16.9 | |
| Republican | Stephen Slauson | 5,725 | 9.6 | |
| Democratic | Victor Aguilar | 3,938 | 6.6 | |
| Democratic | James Aguilar | 1,039 | 1.8 | |
| Democratic | Eugene Canson | 1,029 | 1.7 | |
| No party preference | Joel Britton | 750 | 1.3 | |
| Total votes | 59,128 | 100.0 | ||
| General election | ||||
| Democratic | Mia Bonta | 43,762 | 56.9 | |
| Democratic | Janani Ramachandran | 33,181 | 43.1 | |
| Total votes | 76,943 | 100.0 | ||
| Democratichold | ||||
| Primary election | ||||
|---|---|---|---|---|
| Party | Candidate | Votes | % | |
| Democratic | Rob Bonta (incumbent) | 118,300 | 89.3 | |
| Republican | Stephen Slauson | 14,158 | 10.7 | |
| Total votes | 132,458 | 100.0 | ||
| General election | ||||
| Democratic | Rob Bonta (incumbent) | 190,168 | 87.6 | |
| Republican | Stephen Slauson | 26,942 | 12.4 | |
| Total votes | 217,110 | 100.0 | ||
| Democratichold | ||||
| Primary election | ||||
|---|---|---|---|---|
| Party | Candidate | Votes | % | |
| Democratic | Rob Bonta (incumbent) | 85,354 | 89.0 | |
| Republican | Stephen Slauson | 10,549 | 11.0 | |
| Total votes | 95,903 | 100.0 | ||
| General election | ||||
| Democratic | Rob Bonta (incumbent) | 150,862 | 88.9 | |
| Republican | Stephen Slauson | 18,894 | 11.1 | |
| Total votes | 184,754 | 100.0 | ||
| Democratichold | ||||
| Primary election | ||||
|---|---|---|---|---|
| Party | Candidate | Votes | % | |
| Democratic | Rob Bonta (incumbent) | 98,202 | 89.1 | |
| Republican | Roseann Slonsky-Breault | 12,057 | 10.9 | |
| Total votes | 110,259 | 100.0 | ||
| General election | ||||
| Democratic | Rob Bonta (incumbent) | 156,163 | 87.0 | |
| Republican | Roseann Slonsky-Breault | 23,273 | 13.0 | |
| Total votes | 179,436 | 100.0 | ||
| Democratichold | ||||
| Primary election | ||||
|---|---|---|---|---|
| Party | Candidate | Votes | % | |
| Democratic | Rob Bonta (incumbent) | 44,321 | 85.8 | |
| Republican | David Erlich | 7,358 | 14.2 | |
| Total votes | 51,679 | 100.0 | ||
| General election | ||||
| Democratic | Rob Bonta (incumbent) | 88,243 | 86.7 | |
| Republican | David Erlich | 13,537 | 13.3 | |
| Total votes | 101,780 | 100.0 | ||
| Democratichold | ||||
| Primary election | ||||
|---|---|---|---|---|
| Party | Candidate | Votes | % | |
| Democratic | Rob Bonta | 23,007 | 36.9 | |
| Democratic | Abel Guillen | 18,521 | 29.7 | |
| Democratic | Joel Young | 11,680 | 18.8 | |
| Republican | Rhonda Weber | 9,082 | 14.6 | |
| Total votes | 62,290 | 100.0 | ||
| General election | ||||
| Democratic | Rob Bonta | 75,865 | 50.5 | |
| Democratic | Abel Guillen | 74,422 | 49.5 | |
| Total votes | 150,287 | 100.0 | ||
| Democratichold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Mary Hayashi (incumbent) | 85,237 | 75.2 | |
| Republican | Michael Havig | 28,124 | 24.8 | |
| Total votes | 113,361 | 100.0 | ||
| Democratichold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Mary Hayashi (incumbent) | 115,780 | 77.5 | |
| Republican | Lou Filipovich | 33,596 | 22.5 | |
| Total votes | 149,376 | 100.0 | ||
| Democratichold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Mary Hayashi | 69,411 | 67.8 | |
| Republican | Jill Buck | 32,897 | 32.2 | |
| Total votes | 102,308 | 100.0 | ||
| Democratichold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Johan Klehs (incumbent) | 106,635 | 83.6 | |
| Libertarian | Ronald J. Colfer | 20,888 | 16.4 | |
| No party | Lou Filipovich (write-in) | 17 | 0.0 | |
| Total votes | 127,540 | 100.0 | ||
| Democratichold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Ellen M. Corbett (incumbent) | 60,627 | 71.7 | |
| Republican | Jack Hovingh | 24,028 | 28.3 | |
| Total votes | 84,655 | 100.0 | ||
| Democratichold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Ellen Corbett (incumbent) | 91,991 | 75.4 | |
| Republican | Syed Rifat Mahmood | 29,936 | 24.6 | |
| Total votes | 121,927 | 100.0 | ||
| Democratichold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Ellen M. Corbett | 63,491 | 65.8 | |
| Republican | Carol Nowicki | 33,060 | 34.2 | |
| Total votes | 96,551 | 100.0 | ||
| Democratichold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Michael Sweeney (incumbent) | 89,122 | 100.0 | |
| Total votes | 89,122 | 100.0 | ||
| Democratichold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Michael Sweeney | 69,863 | 69.7 | |
| Republican | Don J. Grundmann | 30,310 | 30.3 | |
| Total votes | 100,173 | 100.0 | ||
| Democratichold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Johan Klehs (incumbent) | 87,971 | 65.0 | |
| Republican | Don J. Grundmann | 38,027 | 28.1 | |
| Libertarian | Terry L. Floyd | 9,297 | 6.9 | |
| Total votes | 135,295 | 100.0 | ||
| Democratichold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Delaine Eastin (incumbent) | 65,654 | 100.0 | |
| Total votes | 65,654 | 100.0 | ||
| Democratichold | ||||
