CA
California House District 10
Tue, Nov 3 · Represented by Stephanie Nguyen Democratic · Member list as of Oct 28
Stephanie NguyenDemocratic · Incumbent4 years since first win on fileVinaya SinghRepublican
Stephanie Nguyen 67.6Vinaya Singh 32.4
Last result · 2024 generalNo published poll names both candidates.
- Last election
- Stephanie Nguyen (Democratic) won by 35.2 points, 2024
- On the 2026 ballot
- 2 candidates
Side by side
Left column: NguyenRight column: Singh
- Donor-based spectrum
- LiberalCentristConservativeNguyenNo published score for Singh
- Races won and lost
- 2-0
- 0-1
- Years since first win on file
- 4
- Not available
How these are counted
The spectrum is a published research score, not our rating. How this works. Wins and losses count the races in our results files, the same as each profile.
More about this race
Candidates on the ballot
- Stephanie NguyenIncumbentDemocraticState Assemblymember
- Vinaya SinghRepublicanRetired Application Developer
Source: elections.cdn.sos.ca.gov (PDF), dated Aug 27
All Assembly districts
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- Democratic
- Republican
- Independent
- Nonpartisan
- More than one party
- No member on file
List every Assembly district (80)
- Assembly District 1· Heather Hadwick
- Assembly District 2· Chris Rogers
- Assembly District 3· No member on file
- Assembly District 4· Cecilia Aguiar-Curry
- Assembly District 5· Joe Patterson
- Assembly District 6· Maggy Krell
- Assembly District 7· Joshua Hoover
- Assembly District 8· David Tangipa
- Assembly District 9· Heath Flora
- Assembly District 10· Stephanie Nguyen
- Assembly District 11· Lori Wilson
- Assembly District 12· Damon Connolly
- Assembly District 13· Rhodesia Ransom
- Assembly District 14· Buffy Wicks
- Assembly District 15· Anamarie Avila Farias
- Assembly District 16· Rebecca Bauer-Kahan
- Assembly District 17· Matt Haney
- Assembly District 18· Mia Bonta
- Assembly District 19· Catherine Stefani
- Assembly District 20· Liz Ortega
- Assembly District 21· Diane Papan
- Assembly District 22· Juan Alanis
- Assembly District 23· Marc Berman
- Assembly District 24· Alex Lee
- Assembly District 25· Ash Kalra
- Assembly District 26· Patrick Ahrens
- Assembly District 27· Esmeralda Soria
- Assembly District 28· Gail Pellerin
- Assembly District 29· Robert Rivas
- Assembly District 30· Dawn Addis
- Assembly District 31· Joaquin Arambula
- Assembly District 32· Stan Ellis
- Assembly District 33· Ali Macedo
- Assembly District 34· Tom Lackey
- Assembly District 35· Jasmeet Bains
- Assembly District 36· Jeff Gonzalez
- Assembly District 37· Gregg Hart
- Assembly District 38· Steve Bennett
- Assembly District 39· Juan Carrillo
- Assembly District 40· Pilar Schiavo
- Assembly District 41· John Harabedian
- Assembly District 42· Jacqui Irwin
- Assembly District 43· Celeste Rodriguez
- Assembly District 44· Nick Schultz
- Assembly District 45· James Ramos
- Assembly District 46· Jesse Gabriel
- Assembly District 47· Greg Wallis
- Assembly District 48· Blanca Rubio
- Assembly District 49· Mike Fong
- Assembly District 50· Robert Garcia
- Assembly District 51· Rick Zbur
- Assembly District 52· Jessica Caloza
- Assembly District 53· Michelle Rodriguez
- Assembly District 54· Mark González
- Assembly District 55· Isaac Bryan
- Assembly District 56· Lisa Calderon
- Assembly District 57· Sade Elhawary
- Assembly District 58· Leticia Castillo
- Assembly District 59· Phillip Chen
- Assembly District 60· Corey Jackson
- Assembly District 61· Tina McKinnor
- Assembly District 62· José Solache
- Assembly District 63· Natasha Johnson
- Assembly District 64· Blanca Pacheco
- Assembly District 65· Mike Gipson
- Assembly District 66· Al Muratsuchi
- Assembly District 67· Sharon Quirk-Silva
- Assembly District 68· Avelino Valencia
- Assembly District 69· Josh Lowenthal
- Assembly District 70· Tri Ta
- Assembly District 71· Kate Sanchez
- Assembly District 72· Diane Dixon
- Assembly District 73· Cottie Petrie-Norris
- Assembly District 74· Laurie Davies
- Assembly District 75· Carl DeMaio
- Assembly District 76· Darsh Patel
- Assembly District 77· Tasha Boerner
- Assembly District 78· Chris Ward
- Assembly District 79· LaShae Sharp-Collins
- Assembly District 80· David Alvarez
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Official results for California
History (29 elections for this seat)
- Votes for listed candidates
- 184,174
- Election day
- November 5, 2024
- District map
- Older district map (2022 to 2024)
California Assembly District 10, 1968 to 2024, 2024, every candidate Candidate Party Votes and share Share DemocraticStephanie NguyenWon(incumbent) Democratic 124,50967.6% RepublicanVinaya Singh Republican 59,66532.4% - Votes for listed candidates
- 118,165
- Election day
- November 8, 2022
- District map
- Older district map (2022)
California Assembly District 10, 1968 to 2024, 2022, every candidate Candidate Party Votes and share Share DemocraticStephanie NguyenWon Democratic 63,57053.8% DemocraticEric Guerra Democratic 54,59546.2% - Votes for listed candidates
- 240,901
- Election day
- November 3, 2020
- District map
- Older district map (2012 to 2021)
California Assembly District 10, 1968 to 2024, 2020, every candidate Candidate Party Votes and share Share DemocraticMarc LevineWon(incumbent) Democratic 158,26365.7% DemocraticVeronica Jacobi Democratic 82,63834.3% - Votes for listed candidates
- 193,808
- Election day
- November 6, 2018
- District map
- Older district map (2012 to 2021)
California Assembly District 10, 1968 to 2024, 2018, every candidate Candidate Party Votes and share Share DemocraticMarc LevineWon(incumbent) Democratic 139,05071.8% DemocraticDan Monte Democratic 54,75828.3% - Votes for listed candidates
- 205,562
- Election day
- November 8, 2016
- District map
- Older district map (2012 to 2021)
California Assembly District 10, 1968 to 2024, 2016, every candidate Candidate Party Votes and share Share DemocraticMarc LevineWon(incumbent) Democratic 140,20768.2% DemocraticVeronica Jacobi Democratic 65,35531.8% - Votes for listed candidates
- 141,635
- Election day
- November 4, 2014
- District map
- Older district map (2012 to 2021)
California Assembly District 10, 1968 to 2024, 2014, every candidate Candidate Party Votes and share Share DemocraticMarc LevineWon(incumbent) Democratic 105,63674.6% RepublicanGregory Allen Republican 35,99925.4% - Votes for listed candidates
- 188,394
- Election day
- November 6, 2012
- District map
- Older district map (2012 to 2021)
California Assembly District 10, 1968 to 2024, 2012, every candidate Candidate Party Votes and share Share DemocraticMarc LevineWon Democratic 96,42151.2% DemocraticMichael Allen(incumbent) Democratic 91,97348.8% - Votes for listed candidates
- 160,226
- Election day
- November 2, 2010
- District map
- Older district map (2002 to 2011)
California Assembly District 10, 1968 to 2024, 2010, every candidate Candidate Party Votes and share Share DemocraticAlyson L. HuberWon(incumbent) Democratic 83,17751.9% RepublicanJack Sieglock Republican 68,39542.7% LibertarianJanice Marlae Bonser Libertarian 5,2863.3% OtherAlbert R. Troyer Other 3,3682.1% - Votes for listed candidates
- 189,106
- Election day
- November 4, 2008
- District map
- Older district map (2002 to 2011)
California Assembly District 10, 1968 to 2024, 2008, every candidate Candidate Party Votes and share Share DemocraticAlyson L. HuberWon Democratic 88,24246.7% RepublicanJack Sieglock Republican 87,76846.4% LibertarianJanice M. Bonser Libertarian 13,0966.9% - Votes for listed candidates
- 137,923
- Election day
- November 7, 2006
- District map
- Older district map (2002 to 2011)
California Assembly District 10, 1968 to 2024, 2006, every candidate Candidate Party Votes and share Share RepublicanAlan NakanishiWon(incumbent) Republican 84,45561.2% DemocraticJim Cook Democratic 46,85834.0% LibertarianJanice Bonser Libertarian 4,6363.4% OtherAlbert R. Troyer Other 1,9741.4% - Votes for listed candidates
- 160,949
- Election day
- November 2, 2004
- District map
- Older district map (2002 to 2011)
California Assembly District 10, 1968 to 2024, 2004, every candidate Candidate Party Votes and share Share RepublicanAlan NakanishiWon(incumbent) Republican 121,74175.6% LibertarianCullene Lang Libertarian 39,20824.4% - Votes for listed candidates
- 120,206
- Election day
- November 5, 2002
- District map
- Older district map (2002 to 2011)
California Assembly District 10, 1968 to 2024, 2002, every candidate Candidate Party Votes and share Share RepublicanAlan NakanishiWon Republican 72,30260.1% DemocraticKatherine E. Maestas Democratic 47,90439.9% - Votes for listed candidates
- 172,306
- Election day
- November 7, 2000
- District map
- Older district map (1992 to 2001)
California Assembly District 10, 1968 to 2024, 2000, every candidate Candidate Party Votes and share Share RepublicanAnthony PescettiWon(incumbent) Republican 92,19653.5% DemocraticDebra Gravert Democratic 73,50542.7% LibertarianTom Kohlhepp Libertarian 6,6053.8% - Votes for listed candidates
- 138,744
- Election day
- November 3, 1998
- District map
- Older district map (1992 to 2001)
California Assembly District 10, 1968 to 2024, 1998, every candidate Candidate Party Votes and share Share RepublicanAnthony PescettiWon Republican 67,53548.7% DemocraticDebra Gravert Democratic 67,24948.5% LibertarianTom Kohlhepp Libertarian 3,9602.9% - Votes for listed candidates
- 156,681
- Election day
- November 5, 1996
- District map
- Older district map (1992 to 2001)
California Assembly District 10, 1968 to 2024, 1996, every candidate Candidate Party Votes and share Share RepublicanLarry BowlerWon(incumbent) Republican 76,65448.9% DemocraticMatt Moretti Democratic 70,33644.9% OtherJ. Phillips Other 9,6916.2% - Votes for listed candidates
- 134,351
- Election day
- November 8, 1994
- District map
- Older district map (1992 to 2001)
California Assembly District 10, 1968 to 2024, 1994, every candidate Candidate Party Votes and share Share RepublicanLarry BowlerWon(incumbent) Republican 78,83158.7% DemocraticT. Kathleen Wishnick Democratic 50,60937.7% OtherJohn Rakus Other 4,9113.7% - Votes for listed candidates
- 168,437
- Election day
- November 3, 1992
- District map
- Older district map (1992 to 2001)
California Assembly District 10, 1968 to 2024, 1992, every candidate Candidate Party Votes and share Share RepublicanLarry BowlerWon Republican 89,44953.1% DemocraticKay Albiani Democratic 70,73142.0% IndependentStephen M. Delany Independent 4,4592.6% LibertarianJoseph S. Farina Libertarian 3,7982.3% - Votes for listed candidates
- 123,385
- Election day
- November 6, 1990
- District map
- Older district map (1984 to 1991)
California Assembly District 10, 1968 to 2024, 1990, every candidate Candidate Party Votes and share Share DemocraticPhillip IsenbergWon(incumbent) Democratic 69,13856.0% RepublicanTom Griffin Republican 47,37738.4% LibertarianChris J. Rufer Libertarian 6,8705.6% - Votes for listed candidates
- 146,892
- Election day
- November 8, 1988
- District map
- Older district map (1984 to 1991)
California Assembly District 10, 1968 to 2024, 1988, every candidate Candidate Party Votes and share Share DemocraticPhillip IsenbergWon(incumbent) Democratic 83,90157.1% RepublicanLarry Bowler Republican 62,99142.9% - Votes for listed candidates
- 106,541
- Election day
- November 4, 1986
- District map
- Older district map (1984 to 1991)
California Assembly District 10, 1968 to 2024, 1986, every candidate Candidate Party Votes and share Share DemocraticPhillip IsenbergWon(incumbent) Democratic 71,48967.1% RepublicanDaryl Sullivan Republican 35,05232.9% - Votes for listed candidates
- 99,335
- Election day
- November 6, 1984
- District map
- Older district map (1984 to 1991)
California Assembly District 10, 1968 to 2024, 1984, every candidate Candidate Party Votes and share Share DemocraticPhillip IsenbergWon(incumbent) Democratic 99,335100.0% - Votes for listed candidates
- 110,524
- Election day
- November 2, 1982
- District map
- Older district map (1982 to 1983)
California Assembly District 10, 1968 to 2024, 1982, every candidate Candidate Party Votes and share Share DemocraticPhillip IsenbergWon Democratic 65,63559.4% RepublicanIngrid C. Azvedo Republican 44,88940.6% - Votes for listed candidates
- 146,214
- Election day
- November 4, 1980
- District map
- Older district map (1974 to 1981)
California Assembly District 10, 1968 to 2024, 1980, every candidate Candidate Party Votes and share Share RepublicanWilliam P. BakerWon Republican 74,06850.7% DemocraticEric H. Hasseltine Democratic 64,35744.0% LibertarianH. S. James Libertarian 7,7895.3% - Votes for listed candidates
- 81,355
- Election day
- November 7, 1978
- District map
- Older district map (1974 to 1981)
California Assembly District 10, 1968 to 2024, 1978, every candidate Candidate Party Votes and share Share DemocraticDaniel E. BoatwrightWon(incumbent) Democratic 81,355100.0% - Votes for listed candidates
- 119,249
- Election day
- November 2, 1976
- District map
- Older district map (1974 to 1981)
California Assembly District 10, 1968 to 2024, 1976, every candidate Candidate Party Votes and share Share DemocraticDaniel E. BoatwrightWon(incumbent) Democratic 85,03671.3% RepublicanBetsy Graves Republican 34,21328.7% - Votes for listed candidates
- 89,800
- Election day
- November 4, 1974
- District map
- Older district map (1974 to 1981)
California Assembly District 10, 1968 to 2024, 1974, every candidate Candidate Party Votes and share Share DemocraticDaniel E. BoatwrightWon(incumbent) Democratic 64,81772.2% RepublicanClaudia Mauzy Nemir Republican 24,98327.8% - Votes for listed candidates
- 147,928
- Election day
- November 7, 1972
- District map
- Older district map (1966 to 1973)
California Assembly District 10, 1968 to 2024, 1972, every candidate Candidate Party Votes and share Share DemocraticDaniel E. BoatwrightWon Democratic 74,36650.3% RepublicanWarren N. Boggess Republican 69,21446.8% OtherCharles J. Vail Other 4,3482.9% - Votes for listed candidates
- 104,217
- Election day
- November 3, 1970
- District map
- Older district map (1966 to 1973)
California Assembly District 10, 1968 to 2024, 1970, every candidate Candidate Party Votes and share Share RepublicanJames W. DentWon(incumbent) Republican 62,23059.7% DemocraticWilliam S. Dickinson Jr. Democratic 40,55638.9% OtherRobert J. Campbell Other 1,4311.4% - Votes for listed candidates
- 114,476
- Election day
- November 5, 1968
- District map
- Older district map (1966 to 1973)
California Assembly District 10, 1968 to 2024, 1968, every candidate Candidate Party Votes and share Share RepublicanJames W. DentWon(incumbent) Republican 72,57063.4% DemocraticWilliam S. Dickinson Jr. Democratic 39,85334.8% OtherVolkert Ralph Vanderstar Other 2,0531.8%
- 2024: California Secretary of State, Statement of Vote, Nov 5 2024 general (summary pages), retrieved Oct 28, 2026
- 1968 to 2022: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), retrieved Oct 28, 2026. Compiled by Carl Klarner (Harvard Dataverse) from official returns; not an official source
Last contest in this district on file: 2024.
Download and cite
Cite this page
Election Wrld. (2026). California House District 10, election results 1968 to 2024. https://www.electionwrld.com/ca/assembly/10. Retrieved October 30, 2026.
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Sources
Sources: Census TIGERweb Legislative MapServer (120th CDs layer 0, 119th CDs layer 4, 2026 SLD upper layer 1 and lower layer 2) (US Census Bureau, public domain), retrieved Oct 28, 2026; Open Civic Data division identifiers (census_autogenerated us_sldl/us_sldu and openstates state files); also (sld-recent.json): Open Civic Data division identifiers (country-us) (CC0 (repository); also (sld-recent.json): CC0 1.0), retrieved Oct 28, 2026; Open States people (current) CSVs (CC0-1.0 (Open States people data)), retrieved Oct 28, 2026, compiled by Open States volunteers and staff (rosters from state legislature sites) from official returns, not an official source; California Secretary of State, Statement of Vote, Nov 5 2024 general (summary pages) (US state public record), retrieved Oct 28, 2026; State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse) (CC0 1.0), retrieved Oct 28, 2026, compiled by Carl Klarner (Harvard Dataverse) from official returns, not an official source.
District id: ocd-division/country:us/state:ca/sldl:10
DataState data (JSON)Sources: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), DIME (ODC-BY)Data as of Oct 28, 2026