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| California's 15th State Assembly district | |||
|---|---|---|---|
 | |||
| Current assemblymember |
| ||
| Population (2020) | 512,289 [1] | ||
| Demographics | |||
| Registered voters | 310,142 [2] | ||
| Registration | 69.54% Democratic 5.64% Republican 21.01% No party preference | ||
California's 15th State Assembly district is one of 80 California State Assembly districts. It is currently represented by Democrat Tim Grayson of Concord. [3]
The district encompasses the northern coastal East Bay from Martinez to Brentwood. The district is centered on Concord and Antioch.
Contra Costa County – 43.86% [1] |
| Year | Office | Results [4] |
|---|---|---|
| 2012 | President | Obama 68.7 – 28.7% |
| Senator | Feinstein 71.8 – 28.2% | |
| 2014 | Governor | Brown 70.4 – 29.6% |
| 2016 | President | Clinton 69.7 – 24.5% |
| Senator | Harris 69.1 – 30.9% | |
| 2018 | Governor | Newsom 69.2 – 30.8% |
| Senator | Feinstein 57.2 – 42.8% | |
| 2020 | President | Biden 71.8 – 25.8% |
| 2021 | Recall |  No 71.5 – 28.5% |
Due to redistricting, the 15th district has been moved around different parts of the state. The current iteration resulted from the 2021 redistricting by the California Citizens Redistricting Commission.
| Assembly members | Party | Years served | Counties represented | Notes |
|---|---|---|---|---|
| Austin Walrath | Republican | January 5, 1885 - January 3, 1887 | Nevada | |
| Josiah Sims | January 3, 1887 - January 5, 1891 | |||
| Michael Garver | Democratic | January 5, 1891 - January 2, 1893 | ||
| Robert S. Raw | Republican | January 2, 1893 - January 7, 1895 | El Dorado | |
| Charles A. Swisler | January 7, 1895 - January 4, 1897 | |||
| George Burnham | January 4, 1897 - January 2, 1899 | |||
| Robert S. Raw | January 2, 1899 - January 1, 1901 | |||
| S. W. Irving | Democratic | January 1, 1901 - January 5, 1903 | ||
| Charles O. Dunbar | January 5, 1903 - January 2, 1905 | Sonoma | ||
| H. L. Tripp | Republican | January 2, 1905 - April 26, 1906 | Resigned from office, 8 days after the San Francisco Earthquake. [5] | |
| Henry W. A. Weske | January 7, 1907 - January 4, 1909 | |||
| Louis W. Juilliard | Democratic | January 4, 1909 - January 2, 1911 | ||
| Herbert W. Slater | January 2, 1911 - January 6, 1913 | |||
| J. M. Inman | Republican | January 6, 1913 - January 4, 1915 | Sacramento | |
| Walter W. Chenoweth | January 4, 1915 - January 8, 1917 | |||
| John W. Johnston | January 8, 1917 - January 5, 1925 | |||
| Roy J. Nielsen | January 5, 1925 - January 5, 1931 | |||
| Frank S. Israel | January 5, 1931 - September 26, 1932 | San Joaquin | Died in office after falling from a haysack. [6] | |
| William F. Knowland | January 2, 1933 - January 7, 1935 | Alameda | ||
| Charles J. Wagner | Democratic | January 7, 1935 - January 4, 1937 | ||
| George P. Miller | January 4, 1937 – January 6, 1941 | |||
| Randal F. Dickey | Republican | January 6, 1941 - January 7, 1957 | ||
| Robert W. Crown | Democratic | January 7, 1957 - May 21, 1973 | Died in office. | |
| Bill Lockyer | September 10, 1973 – November 30, 1982 | Sworn in after he won the special election. [7] | ||
| Johan Klehs | December 6, 1982 – November 30, 1992 | |||
| Tom Bates | December 7, 1992 – November 30, 1996 | Alameda, Contra Costa | ||
| Dion Aroner | December 6, 1996 – November 30, 2002 | |||
| Loni Hancock | December 2, 2002 – November 30, 2008 | |||
| Nancy Skinner | December 1, 2008 – November 30, 2012 | |||
| Susan Bonilla | December 3, 2012 – November 30, 2016 | Contra Costa, Solano | ||
| Tim Grayson | December 5, 2016 – present |
| Primary election | ||||
|---|---|---|---|---|
| Party | Candidate | Votes | % | |
| Democratic | Tim Grayson (incumbent) | 82,052 | 66.4 | |
| Republican | Janell Elizabeth Proctor | 31,477 | 25.5 | |
| Peace and Freedom | Cassandra Devereaux | 10,107 | 8.2 | |
| Total votes | 123,636 | 100.0 | ||
| General election | ||||
| Democratic | Tim Grayson (incumbent) | 163,205 | 70.3% | |
| Republican | Janell Elizabeth Proctor | 68,819 | 29.7% | |
| Total votes | 232,024 | 100.0% | ||
| Primary election | ||||
|---|---|---|---|---|
| Party | Candidate | Votes | % | |
| Democratic | Tim Grayson (incumbent) | 67,272 | 83.6 | |
| Democratic | Aasim Yahya | 13,231 | 16.4 | |
| Total votes | 80,503 | 100.0 | ||
| General election | ||||
| Democratic | Tim Grayson (incumbent) | 109,108 | 71.6 | |
| Democratic | Aasim Yahya | 43,292 | 28.4 | |
| Total votes | 152,400 | 100.0 | ||
| Democratic hold | ||||
| Primary election | ||||
|---|---|---|---|---|
| Party | Candidate | Votes | % | |
| Democratic | Mae Torlakson | 34,535 | 32.3 | |
| Democratic | Tim Grayson | 33,712 | 31.6 | |
| Republican | Debora Allen | 27,826 | 26.1 | |
| Democratic | Harmesh Kumar | 10,694 | 10.0 | |
| Total votes | 106,767 | 100.0 | ||
| General election | ||||
| Democratic | Tim Grayson | 107,653 | 61.5 | |
| Democratic | Mae Torlakson | 67,300 | 38.5 | |
| Total votes | 174,953 | 100.0 | ||
| Democratic hold | ||||
| Primary election | ||||
|---|---|---|---|---|
| Party | Candidate | Votes | % | |
| Democratic | Susan Bonilla (incumbent) | 44,644 | 99.1 | |
| Republican | Joy D. Delepine (write-in) | 366 | 0.8 | |
| No party preference | John Henry Kimack (write-in) | 24 | 0.1 | |
| Total votes | 45,034 | 100.0 | ||
| General election | ||||
| Democratic | Susan Bonilla (incumbent) | 69,325 | 68.9 | |
| Republican | Joy D. Delepine | 31,298 | 31.1 | |
| Total votes | 100,623 | 100.0 | ||
| Democratic hold | ||||
| Primary election | ||||
|---|---|---|---|---|
| Party | Candidate | Votes | % | |
| Democratic | Susan Bonilla (incumbent) | 54,832 | 100.0 | |
| Total votes | 54,832 | 100.0 | ||
| General election | ||||
| Democratic | Susan Bonilla (incumbent) | 135,834 | 100.0 | |
| Total votes | 135,834 | 100.0 | ||
| Democratic hold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Nancy Skinner (incumbent) | 127,940 | 82.1 | |
| Republican | Ryan Hatcher | 28,055 | 17.9 | |
| Total votes | 155,995 | 100.0 | ||
| Democratic hold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Nancy Skinner | 162,432 | 100.00 | |
| Total votes | 162,432 | 100.00 | ||
| Turnout | 61.01 | |||
| Democratic hold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Loni Hancock (incumbent) | 116,879 | 81.72 | |
| Republican | Leigh Wolf | 26,140 | 18.28 | |
| Total votes | 143,019 | 100.00 | ||
| Turnout | 64.92 | |||
| Democratic hold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Loni Hancock (incumbent) | 141,184 | 77.43 | |
| Republican | Lance Montauk | 32,531 | 17.84 | |
| Libertarian | Kevin O'Neal | 8,632 | 4.73 | |
| Total votes | 182,347 | 100.00 | ||
| Democratic hold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Loni Hancock | 100,017 | 100.00 | |
| Invalid or blank votes | 38,671 | 27.88 | ||
| Total votes | 138,688 | 100.00 | ||
| Democratic hold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Dion Aroner (incumbent) | 123,968 | 83.92 | |
| Republican | Jerald Udinsky | 16,366 | 11.08 | |
| Libertarian | Daniel C. Burton | 7,383 | 5.00 | |
| Invalid or blank votes | 16,650 | 10.13 | ||
| Total votes | 164,367 | 100.00 | ||
| Democratic hold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Dion Aroner (incumbent) | 103,726 | 87.16 | |
| Republican | Jerald Udinsky | 15,287 | 12.84 | |
| Invalid or blank votes | 13,875 | 10.44 | ||
| Total votes | 132,888 | 100.00 | ||
| Democratic hold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Dion Louise Aroner (incumbent) | 90,539 | 66.28 | |
| Republican | William Muir | 29,121 | 21.32 | |
| Green | Hank Chapot | 12,851 | 9.41 | |
| Natural Law | Viola Boeson | 4,091 | 2.99 | |
| Invalid or blank votes | 18,805 | 12.10 | ||
| Total votes | 155,407 | 100.00 | ||
| Democratic hold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Tom Bates (incumbent) | 97,999 | 78.50 | |
| Republican | David V. Anderson | 19,130 | 15.32 | |
| Green | Hank Chapot, Jr. | 7,712 | 6.18 | |
| Invalid or blank votes | 14,721 | 10.55 | ||
| Total votes | 139,562 | 100.00 | ||
| Democratic hold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Tom Bates (incumbent) | 126,317 | 82.14 | |
| Peace and Freedom | Marsha Feinland | 27,468 | 17.86 | |
| Invalid or blank votes | 25,199 | 14.08 | ||
| Total votes | 178,984 | 100.00 | ||
| Democratic hold | ||||
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