California State Senate District 23
Next vote Tue, Nov 3, 2026 · Represented by Suzette Valladares Republican · Member list as of Oct 28
This seat has no race on the official 2026 list.
- Last election
- Suzette Valladares (Republican) won by 4.8 points, 2024
More about this seat
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- More than one party
- No member listed
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Official results for California
History (15 elections for this seat)
- Votes for listed candidates
- 364,652
- Election day
- November 5, 2024
- District map
- Older district map (2022 to 2024)
California Senate District 23, 1968 to 2024, 2024, every candidate Candidate Party Votes and share Share RepublicanSuzette ValladaresWonName as filed: Suzette Martinez Valladares Republican 190,95752.4% DemocraticKipp Mueller Democratic 173,69547.6% - Votes for listed candidates
- 428,348
- Election day
- November 3, 2020
- District map
- Older district map (2012 to 2021)
California Senate District 23, 1968 to 2024, 2020, every candidate Candidate Party Votes and share Share RepublicanRosilicie Ochoa BoghWon Republican 224,94552.5% DemocraticAbigail Medina Democratic 203,40347.5% - Votes for listed candidates
- 326,003
- Election day
- November 8, 2016
- District map
- Older district map (2012 to 2021)
California Senate District 23, 1968 to 2024, 2016, every candidate Candidate Party Votes and share Share RepublicanMike MorrellWon Republican 184,47056.6% DemocraticRonald J. Odonnell Democratic 141,53343.4% - Votes for listed candidates
- 282,563
- Election day
- November 6, 2012
- District map
- Older district map (2012 to 2021)
California Senate District 23, 1968 to 2024, 2012, every candidate Candidate Party Votes and share Share RepublicanBill EmmersonWon Republican 159,04556.3% DemocraticMelissa Ruth Odonnell Democratic 123,51843.7% - Votes for listed candidates
- 353,352
- Election day
- November 4, 2008
- District map
- Older district map (2002 to 2011)
California Senate District 23, 1968 to 2024, 2008, every candidate Candidate Party Votes and share Share DemocraticFran PavleyWon Democratic 238,17267.4% RepublicanRick Montaine Republican 96,27427.3% LibertarianColin Goldman Libertarian 18,9065.3% - Votes for listed candidates
- 349,137
- Election day
- November 2, 2004
- District map
- Older district map (2002 to 2011)
California Senate District 23, 1968 to 2024, 2004, every candidate Candidate Party Votes and share Share DemocraticSheila James KuehlWon(incumbent) Democratic 229,32165.7% RepublicanLeonard Michael Lanzi Republican 101,64829.1% LibertarianColin Goldman Libertarian 18,1685.2% - Votes for listed candidates
- 319,804
- Election day
- November 7, 2000
- District map
- Older district map (1992 to 2001)
California Senate District 23, 1968 to 2024, 2000, every candidate Candidate Party Votes and share Share DemocraticSheila James KuehlWon Democratic 225,73670.6% RepublicanDaniel B. Rego Republican 79,00924.7% LibertarianCharles T. Black Libertarian 15,0594.7% - Votes for listed candidates
- 285,902
- Election day
- November 5, 1996
- District map
- Older district map (1992 to 2001)
California Senate District 23, 1968 to 2024, 1996, every candidate Candidate Party Votes and share Share DemocraticTom HaydenWon(incumbent) Democratic 172,29560.3% RepublicanScott Schreiber Republican 101,87635.6% OtherShirley Rachel Isaacson Other 11,7314.1% - Votes for listed candidates
- 355,016
- Election day
- November 3, 1992
- District map
- Older district map (1992 to 2001)
California Senate District 23, 1968 to 2024, 1992, every candidate Candidate Party Votes and share Share DemocraticTom HaydenWon Democratic 198,42555.9% RepublicanLeonard H. McRoskey Republican 117,45533.1% OtherShirley Rachel Isaacson Other 27,9767.9% LibertarianR. William Weilburg Libertarian 11,1603.1% - Votes for listed candidates
- 176,542
- Election day
- November 8, 1988
- District map
- Older district map (1984 to 1991)
California Senate District 23, 1968 to 2024, 1988, every candidate Candidate Party Votes and share Share DemocraticDavid RobertiWon(incumbent) Democratic 119,35467.6% RepublicanTom Larkin Republican 46,78426.5% OtherElizabeth Nakano Other 5,5403.1% LibertarianSarah E. Foster Libertarian 4,8642.8% - Votes for listed candidates
- 172,589
- Election day
- November 6, 1984
- District map
- Older district map (1984 to 1991)
California Senate District 23, 1968 to 2024, 1984, every candidate Candidate Party Votes and share Share DemocraticDavid RobertiWon(incumbent) Democratic 112,23465.0% RepublicanThomas Hunter Russell Republican 51,52129.9% OtherSonia Cruz Other 5,7083.3% LibertarianTed Brown Libertarian 3,1261.8% - Votes for listed candidates
- 147,463
- Election day
- November 4, 1980
- District map
- Older district map (1974 to 1981)
California Senate District 23, 1968 to 2024, 1980, every candidate Candidate Party Votes and share Share DemocraticDavid RobertiWon(incumbent) Democratic 92,51462.7% RepublicanNorman Aaron White Republican 46,16231.3% LibertarianZack Richardson Libertarian 6,2804.3% OtherKevin Scanlon Other 2,5071.7% - Votes for listed candidates
- 159,468
- Election day
- November 2, 1976
- District map
- Older district map (1974 to 1981)
California Senate District 23, 1968 to 2024, 1976, every candidate Candidate Party Votes and share Share DemocraticDavid RobertiWon(incumbent) Democratic 110,48869.3% RepublicanAllen R. Adams Republican 48,98030.7% - Votes for listed candidates
- 294,274
- Election day
- November 7, 1972
- District map
- Older district map (1966 to 1973)
California Senate District 23, 1968 to 2024, 1972, every candidate Candidate Party Votes and share Share RepublicanLou CusanovichWon(incumbent) Republican 163,41955.5% DemocraticEdward K. Burke Democratic 130,85244.5% OtherEric Sorenson Other 30.0% - Votes for listed candidates
- 243,431
- Election day
- November 5, 1968
- District map
- Older district map (1966 to 1973)
California Senate District 23, 1968 to 2024, 1968, every candidate Candidate Party Votes and share Share RepublicanLou CusanovichWon(incumbent) Republican 156,86364.4% DemocraticGerald J. Porter Democratic 86,56835.6%
- 2024: California Secretary of State, Statement of Vote, Nov 5 2024 general (summary pages), retrieved Oct 28, 2026
- 1968 to 2020: 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
Only part of this chamber is up in a given cycle. Which districts vote on which date is not on file. Last contest in this district on file: 2024.
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Cite this page
Election Wrld. (2026). California State Senate District 23, election results 1968 to 2024. https://www.electionwrld.com/ca/senate/23. Retrieved October 31, 2026.
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<p style="font-size:13px">Data: <a href="https://www.electionwrld.com">Election Wrld</a>, CC BY 4.0</p>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/sldu:23
DataState data (JSON)Sources: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), California Secretary of State, Statement of Vote, Nov 5 2024 generalData as of Oct 28, 2026