California Assembly District 20
Tue, Nov 3 · Represented by Liz Ortega Democratic · Member list as of Oct 28
Patricia MugaRepublicanLiz OrtegaDemocratic · Incumbent4 years since first win
Last result · 2024 general: Liz Ortega (D) 72.9, Sangeetha Shanbhogue (R) 27.1
- Earlier results
- Liz Ortega (Democratic) won by 24.3 points, 2022Bill Quirk (Democratic) won by 13.9 points, 2020, older linesAll 29 elections
Side by side
Left column: MugaRight column: Ortega
- Donor-based spectrum
- LiberalCentristConservativeOrtegaNo published score for Muga
How these are counted
The spectrum is a published research score, not our rating. How this works.
Past results
- Votes for listed candidates
- 173,675
- Election day
- November 5, 2024
- District map
- Same as today
California Assembly District 20, 1968 to 2024, 2024, every candidate Candidate Party Votes and share Share DemocraticLiz OrtegaWon(incumbent) Democratic 126,61572.9% RepublicanSangeetha Shanbhogue Republican 47,06027.1% - Votes for listed candidates
- 110,770
- Election day
- November 8, 2022
- District map
- Same as today
California Assembly District 20, 1968 to 2024, 2022, every candidate Candidate Party Votes and share Share DemocraticLiz OrtegaWon Democratic 68,85362.2% DemocraticShawn Kumagai Democratic 41,91737.8% - Votes for listed candidates
- 175,777
- Election day
- November 3, 2020
- District map
- Older district map (2012 to 2021)
California Assembly District 20, 1968 to 2024, 2020, every candidate Candidate Party Votes and share Share DemocraticBill QuirkWon(incumbent) Democratic 100,10557.0% DemocraticAlexis Villalobos Democratic 75,67243.0% - Votes for listed candidates
- 136,711
- Election day
- November 6, 2018
- District map
- Older district map (2012 to 2021)
California Assembly District 20, 1968 to 2024, 2018, every candidate Candidate Party Votes and share Share DemocraticBill QuirkWon(incumbent) Democratic 105,84877.4% RepublicanJoseph Grcar Republican 30,86322.6%
- 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.
All elections (29 for this seat)
- Votes for listed candidates
- 173,675
- Election day
- November 5, 2024
- District map
- Same as today
California Assembly District 20, 1968 to 2024, 2024, every candidate Candidate Party Votes and share Share DemocraticLiz OrtegaWon(incumbent) Democratic 126,61572.9% RepublicanSangeetha Shanbhogue Republican 47,06027.1% - Votes for listed candidates
- 110,770
- Election day
- November 8, 2022
- District map
- Same as today
California Assembly District 20, 1968 to 2024, 2022, every candidate Candidate Party Votes and share Share DemocraticLiz OrtegaWon Democratic 68,85362.2% DemocraticShawn Kumagai Democratic 41,91737.8% - Votes for listed candidates
- 175,777
- Election day
- November 3, 2020
- District map
- Older district map (2012 to 2021)
California Assembly District 20, 1968 to 2024, 2020, every candidate Candidate Party Votes and share Share DemocraticBill QuirkWon(incumbent) Democratic 100,10557.0% DemocraticAlexis Villalobos Democratic 75,67243.0% - Votes for listed candidates
- 136,711
- Election day
- November 6, 2018
- District map
- Older district map (2012 to 2021)
California Assembly District 20, 1968 to 2024, 2018, every candidate Candidate Party Votes and share Share DemocraticBill QuirkWon(incumbent) Democratic 105,84877.4% RepublicanJoseph Grcar Republican 30,86322.6% - Votes for listed candidates
- 153,508
- Election day
- November 8, 2016
- District map
- Older district map (2012 to 2021)
California Assembly District 20, 1968 to 2024, 2016, every candidate Candidate Party Votes and share Share DemocraticBill QuirkWon(incumbent) Democratic 114,00174.3% RepublicanLuis A. Wong Republican 39,50725.7% - Votes for listed candidates
- 78,151
- Election day
- November 4, 2014
- District map
- Older district map (2012 to 2021)
California Assembly District 20, 1968 to 2024, 2014, every candidate Candidate Party Votes and share Share DemocraticBill QuirkWon(incumbent) Democratic 56,14471.8% RepublicanJaime Patino Republican 22,00728.2% - Votes for listed candidates
- 133,139
- Election day
- November 6, 2012
- District map
- Older district map (2012 to 2021)
California Assembly District 20, 1968 to 2024, 2012, every candidate Candidate Party Votes and share Share DemocraticBill QuirkWon Democratic 67,02850.3% DemocraticJennifer Ong Democratic 66,11149.7% - Votes for listed candidates
- 104,906
- Election day
- November 2, 2010
- District map
- Older district map (2002 to 2011)
California Assembly District 20, 1968 to 2024, 2010, every candidate Candidate Party Votes and share Share DemocraticBob WieckowskiWon Democratic 76,44672.9% RepublicanAdnan Shahab Republican 28,46027.1% - Votes for listed candidates
- 139,166
- Election day
- November 4, 2008
- District map
- Older district map (2002 to 2011)
California Assembly District 20, 1968 to 2024, 2008, every candidate Candidate Party Votes and share Share DemocraticAlberto TorricoWon(incumbent) Democratic 99,30571.4% RepublicanJeffrey Wald Republican 39,86128.6% - Votes for listed candidates
- 93,786
- Election day
- November 7, 2006
- District map
- Older district map (2002 to 2011)
California Assembly District 20, 1968 to 2024, 2006, every candidate Candidate Party Votes and share Share DemocraticAlberto TorricoWon(incumbent) Democratic 61,23865.3% RepublicanKen Nishimura Republican 32,54834.7% - Votes for listed candidates
- 127,838
- Election day
- November 2, 2004
- District map
- Older district map (2002 to 2011)
California Assembly District 20, 1968 to 2024, 2004, every candidate Candidate Party Votes and share Share DemocraticAlberto TorricoWon Democratic 87,72468.6% RepublicanCliff Williams Republican 40,11431.4% - Votes for listed candidates
- 80,075
- Election day
- November 5, 2002
- District map
- Older district map (2002 to 2011)
California Assembly District 20, 1968 to 2024, 2002, every candidate Candidate Party Votes and share Share DemocraticJohn A. DutraWon(incumbent) Democratic 53,30466.6% RepublicanDaniel L. Dow Republican 23,10828.9% LibertarianKeith Lyon Libertarian 3,6634.6% - Votes for listed candidates
- 117,053
- Election day
- November 7, 2000
- District map
- Older district map (1992 to 2001)
California Assembly District 20, 1968 to 2024, 2000, every candidate Candidate Party Votes and share Share DemocraticJohn A. DutraWon(incumbent) Democratic 75,45564.5% RepublicanLowell King Republican 35,88930.7% LibertarianMark Werlwas Libertarian 5,7094.9% - Votes for listed candidates
- 90,371
- Election day
- November 3, 1998
- District map
- Older district map (1992 to 2001)
California Assembly District 20, 1968 to 2024, 1998, every candidate Candidate Party Votes and share Share DemocraticJohn A. DutraWon Democratic 52,13257.7% RepublicanJonelle Joan Zager Republican 38,23942.3% - Votes for listed candidates
- 114,400
- Election day
- November 5, 1996
- District map
- Older district map (1992 to 2001)
California Assembly District 20, 1968 to 2024, 1996, every candidate Candidate Party Votes and share Share DemocraticLiz FigueroaWon(incumbent) Democratic 70,13061.3% RepublicanAnthony R. Smith Sr. Republican 44,27038.7% - Votes for listed candidates
- 94,921
- Election day
- November 8, 1994
- District map
- Older district map (1992 to 2001)
California Assembly District 20, 1968 to 2024, 1994, every candidate Candidate Party Votes and share Share DemocraticLiz FigueroaWon Democratic 47,49850.0% RepublicanScott Patrick Haggerty Republican 40,88543.1% LibertarianTerry Savage Libertarian 6,5386.9% - Votes for listed candidates
- 130,933
- Election day
- November 3, 1992
- District map
- Older district map (1992 to 2001)
California Assembly District 20, 1968 to 2024, 1992, every candidate Candidate Party Votes and share Share DemocraticDelaine EastinWon(incumbent) Democratic 83,88964.1% RepublicanLindy G. Batara Republican 47,04435.9% - Votes for listed candidates
- 112,577
- Election day
- November 6, 1990
- District map
- Older district map (1984 to 1991)
California Assembly District 20, 1968 to 2024, 1990, every candidate Candidate Party Votes and share Share DemocraticTed LempertWon(incumbent) Democratic 71,38663.4% RepublicanJames R. Rinehart Republican 36,22632.2% LibertarianChristopher R. Inama Libertarian 2,8822.6% OtherCarl R. Sigmund Other 2,0831.9% - Votes for listed candidates
- 139,604
- Election day
- November 8, 1988
- District map
- Older district map (1984 to 1991)
California Assembly District 20, 1968 to 2024, 1988, every candidate Candidate Party Votes and share Share DemocraticTed LempertWon Democratic 72,48551.9% RepublicanWilliam P. Duplissea(incumbent) Republican 62,78945.0% LibertarianJune R. Genis Libertarian 4,3303.1% - Votes for listed candidates
- 110,568
- Election day
- November 4, 1986
- District map
- Older district map (1984 to 1991)
California Assembly District 20, 1968 to 2024, 1986, every candidate Candidate Party Votes and share Share RepublicanWilliam P. DuplisseaWon Republican 56,46951.1% DemocraticEd Bacciocco Democratic 54,09948.9% - Votes for listed candidates
- 137,284
- Election day
- November 6, 1984
- District map
- Older district map (1984 to 1991)
California Assembly District 20, 1968 to 2024, 1984, every candidate Candidate Party Votes and share Share RepublicanRobert W. NaylorWon(incumbent) Republican 95,75869.8% DemocraticArthur Lepore Democratic 41,52630.3% - Votes for listed candidates
- 111,834
- Election day
- November 2, 1982
- District map
- Older district map (1982 to 1983)
California Assembly District 20, 1968 to 2024, 1982, every candidate Candidate Party Votes and share Share RepublicanRobert W. NaylorWon(incumbent) Republican 72,09164.5% DemocraticJack W. Smith Democratic 34,10230.5% LibertarianDon Smith Libertarian 4,1063.7% OtherDavid R. Castronovo Other 1,5351.4% - Votes for listed candidates
- 106,466
- Election day
- November 4, 1980
- District map
- Older district map (1974 to 1981)
California Assembly District 20, 1968 to 2024, 1980, every candidate Candidate Party Votes and share Share RepublicanRobert W. NaylorWon(incumbent) Republican 74,65670.1% DemocraticGil Tovar Democratic 25,50524.0% OtherRichard Lee Grossman Other 6,3055.9% - Votes for listed candidates
- 95,372
- Election day
- November 7, 1978
- District map
- Older district map (1974 to 1981)
California Assembly District 20, 1968 to 2024, 1978, every candidate Candidate Party Votes and share Share RepublicanRobert W. NaylorWon Republican 49,97552.4% DemocraticChris Cobey Democratic 45,39747.6% - Votes for listed candidates
- 106,940
- Election day
- November 2, 1976
- District map
- Older district map (1974 to 1981)
California Assembly District 20, 1968 to 2024, 1976, every candidate Candidate Party Votes and share Share RepublicanDixon ArnettWon(incumbent) Republican 74,21469.4% DemocraticByron R. Skinner Democratic 32,72630.6% - Votes for listed candidates
- 88,178
- Election day
- November 4, 1974
- District map
- Older district map (1974 to 1981)
California Assembly District 20, 1968 to 2024, 1974, every candidate Candidate Party Votes and share Share RepublicanDixon ArnettWon(incumbent) Republican 56,42164.0% DemocraticSidney L. Berlin Democratic 31,75736.0% - Votes for listed candidates
- 49,805
- Election day
- November 7, 1972
- District map
- Older district map (1966 to 1973)
California Assembly District 20, 1968 to 2024, 1972, every candidate Candidate Party Votes and share Share DemocraticJohn L. BurtonWon(incumbent) Democratic 35,15670.6% RepublicanAl Graf Republican 14,64929.4% - Votes for listed candidates
- 39,769
- Election day
- November 3, 1970
- District map
- Older district map (1966 to 1973)
California Assembly District 20, 1968 to 2024, 1970, every candidate Candidate Party Votes and share Share DemocraticJohn L. BurtonWon(incumbent) Democratic 26,83567.5% RepublicanAl Graf Republican 12,09830.4% OtherMel McCracken Other 8362.1% - Votes for listed candidates
- 50,809
- Election day
- November 5, 1968
- District map
- Older district map (1966 to 1973)
California Assembly District 20, 1968 to 2024, 1968, every candidate Candidate Party Votes and share Share DemocraticJohn L. BurtonWon(incumbent) Democratic 33,48265.9% RepublicanAl Graf Republican 16,02131.5% OtherSivella M. Batey Other 1,3062.6%
- 2024: California Secretary of State, Statement of Vote, Nov 5 2024 general (summary pages), retrieved Oct 28, 2026
More about this race
Source: elections.cdn.sos.ca.gov (PDF), dated Aug 27
District map
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- Independent
- Nonpartisan
- More than one party
- No member listed
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Official results for California
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Cite this page
Election Wrld. (2026). California Assembly District 20, election results 1968 to 2024. https://www.electionwrld.com/ca/assembly/20. Retrieved October 31, 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.
DataState data (JSON)Sources: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), DIME (ODC-BY), California Secretary of State, Statement of Vote, Nov 5 2024 generalData as of Oct 28, 2026