| California's 10th State Assembly district | |||
|---|---|---|---|
 | |||
| Current assemblymember |
| ||
| Population (2010) • Voting age • Citizen voting age | 465,830 [1] 364,547 [1] 307,078 [1] | ||
| Demographics |
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| Registered voters | 278,002 | ||
| Registration | 54.07% Democratic 15.32% Republican 25.77% No party preference | ||
California's 10th State Assembly district is one of 80 California State Assembly districts. Since 2012, it is represented by Democrat Stephanie Nguyen of Elk Grove.
The district encompasses much of the North Bay and a small area of Wine Country. It forms the main corridor between the rest of the San Francisco Bay Area and the North Coast.
All of Marin County | Sonoma County – 44.1%
|
| Year | Office | Results |
|---|---|---|
| 2021 | Recall |  No 78.7 – 21.3% |
| 2020 [2] | President | Biden 79.4 – 18.4% |
| 2018 | Governor | Newsom 77.1 – 22.9% |
| Senator | Feinstein 61.5 – 38.5% | |
| 2016 | President | Clinton 75.7 – 18.0% |
| Senator | Harris 76.2 – 23.8% | |
| 2014 | Governor | Brown 78.1 – 21.9% |
| 2012 | President | Obama 73.8 – 23.3% |
| Senator | Feinstein 78.2 – 21.8% |
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.
| Assembly members | Party | Years served | Counties represented | Notes |
|---|---|---|---|---|
| Robert Barnett | Democratic | January 5, 1885 – January 3, 1887 | Colusa | |
| Thomas J. Hart | January 3, 1887 – January 7, 1889 | |||
| J. C. Campbell | Republican | January 7, 1889 – January 5, 1891 | ||
| H. P. Eakle | Democratic | January 5, 1891 – January 2, 1893 | ||
| William A. Vann | People's Party | January 2, 1893 – January 7, 1895 | Colusa, Glenn, Lake | |
| William H. Ash | Republican | January 7, 1895 – January 4, 1897 | ||
| E. A. Bridgeford | Democratic | January 4, 1897 – January 2, 1899 | ||
| F. B. Glenn | January 2, 1899 – January 1, 1901 | |||
| Thomas J. Sheridan | January 1, 1901 – January 5, 1903 | |||
| Frank A. Duryea | Republican | January 5, 1903 – January 7, 1907 | El Dorado, Placer | |
| E. S. Birdsall | January 7, 1907 – January 4, 1909 | |||
| Patrick Henry Johnson | Democratic | January 4, 1909 – January 2, 1911 | ||
| Edwin C. Gaylord | Republican | January 2, 1911 – January 6, 1913 | ||
| W. S. Killingsworth Sr | Democratic | January 6, 1913 – January 4, 1915 | Solano | |
| H. J. Widenmann | Progressive | January 4, 1915 – January 8, 1917 | ||
| Oscar W. Hilton | Republican | January 8, 1917 – January 3, 1921 | ||
| Robert B. McPherson | January 3, 1921 – January 7, 1929 | |||
| Ernest C. Crowley | Democratic | January 7, 1929 – January 2, 1933 | Solano, Lake, Napa | |
| Clifford C. Anglim | January 2, 1933 – January 7, 1935 | Contra Costa | ||
| Truman H. DeLap | Republican | January 7, 1935 – January 4, 1937 | ||
| Harold F. Sawallisch | Democratic | January 4, 1937 – January 6, 1947 | ||
| George Miller Jr. | January 6, 1947 – January 3, 1949 | |||
| Robert Condon | January 3, 1949 – January 3, 1953 | |||
| Donald D. Doyle | Republican | January 5, 1953 – January 5, 1959 | ||
| Jerome Waldie | Democratic | January 5, 1959 – June 16, 1966 | Resigned due to winning a special election in California's 14th congressional district | |
| James W. Dent | Republican | January 2, 1967 – January 1, 1973 | ||
| Daniel Boatwright | Democratic | January 1, 1973 – December 1, 1980 | ||
| William P. Baker | Republican | December 1, 1980 – November 30, 1982 | ||
| Phillip Isenberg | Democratic | December 6, 1982 – November 30, 1992 | Contra Costa, Sacramento, San Joaquin | |
| Larry Bowler | Republican | December 7, 1992 – November 30, 1998 | Sacramento, San Joaquin | |
| Anthony Pescetti | December 7, 1998 – November 30, 2002 | |||
| Alan Nakanishi | December 2, 2002 – November 30, 2008 | Amador, El Dorado, Sacramento, San Joaquin | ||
| Alyson Huber | Democratic | December 1, 2008 – November 30, 2012 | ||
| Marc Levine | December 3, 2012 – Present | Marin, Sonoma | ||
| Primary election | ||||
|---|---|---|---|---|
| Party | Candidate | Votes | % | |
| Democratic | Marc Levine (incumbent) | 112,683 | 62.0 | |
| Democratic | Veronica "Roni" Jacobi | 32,663 | 18.0 | |
| Republican | Ron Sondergaard | 31,284 | 17.2 | |
| Democratic | Ted Cabral | 5,192 | 2.9 | |
| Total votes | 181,822 | 100.0 | ||
| General election | ||||
| Democratic | Marc Levine (incumbent) | 158,263 | 65.7% | |
| Democratic | Veronica "Roni" Jacobi | 82,638 | 34.3% | |
| Total votes | 240,901 | 100% | ||
| Democratic hold | ||||
| Primary election | ||||
|---|---|---|---|---|
| Party | Candidate | Votes | % | |
| Democratic | Marc Levine (incumbent) | 97,186 | 80.4 | |
| Democratic | Dan Monte | 23,637 | 19.6 | |
| Total votes | 120,823 | 100.0 | ||
| General election | ||||
| Democratic | Marc Levine (incumbent) | 139,050 | 71.7 | |
| Democratic | Dan Monte | 54,758 | 28.3 | |
| Total votes | 193,808 | 100.0 | ||
| Democratic hold | ||||
| Primary election | ||||
|---|---|---|---|---|
| Party | Candidate | Votes | % | |
| Democratic | Marc Levine (incumbent) | 100,578 | 65.4 | |
| Democratic | Veronica "Roni" Jacobi | 27,232 | 17.7 | |
| Republican | Gregory Allen | 26,081 | 16.9 | |
| Total votes | 153,891 | 100.0 | ||
| General election | ||||
| Democratic | Marc Levine (incumbent) | 140,207 | 68.2 | |
| Democratic | Veronica "Roni" Jacobi | 65,355 | 31.8 | |
| Total votes | 205,562 | 100.0 | ||
| Democratic hold | ||||
| Primary election | ||||
|---|---|---|---|---|
| Party | Candidate | Votes | % | |
| Democratic | Marc Levine (incumbent) | 45,597 | 49.2 | |
| Republican | Gregory Allen | 18,705 | 20.2 | |
| Democratic | Diana M. Conti | 16,644 | 18.0 | |
| Democratic | Erin Carlstrom | 7,092 | 7.7 | |
| Democratic | Veronica "Roni" Jacobi | 4,593 | 5.0 | |
| Total votes | 92,631 | 100.0 | ||
| General election | ||||
| Democratic | Marc Levine (incumbent) | 105,636 | 74.6 | |
| Republican | Gregory Allen | 35,999 | 25.4 | |
| Total votes | 141,635 | 100.0 | ||
| Democratic hold | ||||
| Primary election | ||||
|---|---|---|---|---|
| Party | Candidate | Votes | % | |
| Democratic | Michael Allen (incumbent) | 32,922 | 31.0 | |
| Democratic | Marc Levine | 25,920 | 24.4 | |
| Republican | Peter J. Mancus | 22,708 | 21.4 | |
| Democratic | Connie Wong | 11,371 | 10.7 | |
| Democratic | Alex Easton-Brown | 6,563 | 6.2 | |
| No party preference | Joe Boswell | 4,544 | 4.3 | |
| Democratic | H. Christian Gunderson | 2,323 | 2.2 | |
| Total votes | 106,351 | 100.0 | ||
| General election | ||||
| Democratic | Marc Levine | 96,421 | 51.2 | |
| Democratic | Michael Allen (incumbent) | 91,973 | 48.8 | |
| Total votes | 188,394 | 100.0 | ||
| Democratic hold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Alyson Huber (incumbent) | 83,177 | 52.0 | |
| Republican | Jack Sieglock | 68,395 | 42.7 | |
| Libertarian | Janice Marlae Bonser | 5,286 | 3.2 | |
| Peace and Freedom | Albert R. Troyer | 3,368 | 2.1 | |
| Total votes | 160,226 | 100.0 | ||
| Democratic hold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Alyson Huber | 88,242 | 46.66 | |
| Republican | Jack Sieglock | 87,768 | 46.41 | |
| Libertarian | Janice Bonser | 13,096 | 6.93 | |
| Total votes | 189,106 | 100.00 | ||
| Turnout | 73.80 | |||
| Democratic gain from Republican | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Alan Nakanishi (incumbent) | 84,455 | 60.79 | |
| Democratic | Jim Cook | 46,858 | 33.73 | |
| Libertarian | Janice Bonser | 4,636 | 3.34 | |
| Peace and Freedom | Albert Troyer | 1,974 | 1.42 | |
| Total votes | 138,923 | 100.00 | ||
| Turnout | 58.43 | |||
| Republican hold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Alan Nakanishi (incumbent) | 121,741 | 75.64 | |
| Libertarian | Cullene Lang | 39,208 | 24.36 | |
| Total votes | 160,949 | 100.00 | ||
| Republican hold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Alan Nakanishi | 69,470 | 60.17 | |
| Democratic | Katherine E. Maestas | 45,977 | 39.83 | |
| Invalid or blank votes | 4,087 | 3.42 | ||
| Total votes | 119,534 | 100.00 | ||
| Republican hold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Anthony Pescetti (incumbent) | 92,196 | 53.51 | |
| Democratic | Debra Gravert | 73,505 | 42.66 | |
| Libertarian | Tom Kohlhepp | 6,605 | 3.83 | |
| Invalid or blank votes | 1,315 | 0.76 | ||
| Total votes | 173,621 | 100.00 | ||
| Republican hold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Anthony Pescetti | 67,535 | 48.68 | |
| Democratic | Debra Gravert | 67,249 | 48.47 | |
| Libertarian | Tom Kohlhepp | 3,960 | 2.85 | |
| Invalid or blank votes | 11,992 | 7.96 | ||
| Total votes | 150,736 | 100.00 | ||
| Republican hold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Larry Bowler | 76,654 | 48.92 | |
| Democratic | Matt Moretti | 70,336 | 44.89 | |
| Reform | J. Bolton Phillips | 9,691 | 6.19 | |
| Invalid or blank votes | 11,214 | 6.88 | ||
| Total votes | 167,895 | 100.00 | ||
| Republican hold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Larry Bowler (incumbent) | 78,831 | 58.68 | |
| Democratic | T. Kathleen Wishnick | 50,609 | 37.67 | |
| American Independent | John Rakus | 4,911 | 3.66 | |
| Invalid or blank votes | 13,503 | 9.13 | ||
| Total votes | 147,854 | 100.00 | ||
| Republican hold | ||||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Larry Bowler | 89,449 | 53.11 | |
| Democratic | Kay Albiani | 70,731 | 41.99 | |
| American Independent | Stephen M. Delany | 4,459 | 2.65 | |
| Libertarian | Joseph S. Farina | 3,798 | 2.25 | |
| Invalid or blank votes | 12,815 | 7.07 | ||
| Total votes | 181,252 | 100.00 | ||
| Republican gain from Democratic | ||||
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