CA
California Senate District 1
Next vote Tue, Nov 3, 2026 · Represented by Megan Dahle Republican · Member list as of Oct 28
This seat has no race on the official 2026 list.
- Last election
- Megan Dahle (Republican) won by 51.4 points, 2024
More about this seat
All Senate districts
Select a shape for details. Arrow keys move between shapes.
- Democratic
- Republican
- Independent
- Nonpartisan
- More than one party
- No member on file
List every Senate district (40)
- State Senate District 1· Megan Dahle
- State Senate District 2· Mike McGuire
- State Senate District 3· Christopher Cabaldon
- State Senate District 4· Marie Alvarado-Gil
- State Senate District 5· Jerry McNerney
- State Senate District 6· Roger Niello
- State Senate District 7· Jesse Arreguín
- State Senate District 8· Angelique Ashby
- State Senate District 9· Tim Grayson
- State Senate District 10· No member on file
- State Senate District 11· Scott Wiener
- State Senate District 12· Shannon Grove
- State Senate District 13· Josh Becker
- State Senate District 14· Anna Caballero
- State Senate District 15· Dave Cortese
- State Senate District 16· Melissa Hurtado
- State Senate District 17· John Laird
- State Senate District 18· Steve Padilla
- State Senate District 19· Rosilicie Ochoa Bogh
- State Senate District 20· Caroline Menjivar
- State Senate District 21· Monique Limón
- State Senate District 22· Susan Rubio
- State Senate District 23· Suzette Valladares
- State Senate District 24· Ben Allen
- State Senate District 25· Sasha Pérez
- State Senate District 26· María Elena Durazo
- State Senate District 27· Henry Stern
- State Senate District 28· Lola Smallwood-Cuevas
- State Senate District 29· Eloise Reyes
- State Senate District 30· Bob Archuleta
- State Senate District 31· Sabrina Cervantes
- State Senate District 32· Kelly Seyarto
- State Senate District 33· Lena Gonzalez
- State Senate District 34· Tom Umberg
- State Senate District 35· Laura Richardson
- State Senate District 36· Tony Strickland
- State Senate District 37· Steve Choi
- State Senate District 38· Catherine Blakespear
- State Senate District 39· Akilah Weber Pierson
- State Senate District 40· Brian Jones
Map settings
Vote in California
Trouble voting? Election Protection hotline: 866-OUR-VOTE. A nonpartisan coalition of civil-rights and voting-rights groups, not a government service. 866ourvote.org
Official results for California
History (15 elections for this seat)
- Votes for listed candidates
- 363,211
- Election day
- November 5, 2024
- District map
- Older district map (2022 to 2024)
California Senate District 1, 1968 to 2024, 2024, every candidate Candidate Party Votes and share Share RepublicanMegan DahleWon Republican 274,89475.7% RepublicanDavid Fennell Republican 88,31724.3% - Votes for listed candidates
- 547,399
- Election day
- November 3, 2020
- District map
- Older district map (2012 to 2021)
California Senate District 1, 1968 to 2024, 2020, every candidate Candidate Party Votes and share Share RepublicanBrian DahleWon Republican 326,83659.7% DemocraticPamela Dawn Swartz Democratic 220,56340.3% - Votes for listed candidates
- 448,816
- Election day
- November 8, 2016
- District map
- Older district map (2012 to 2021)
California Senate District 1, 1968 to 2024, 2016, every candidate Candidate Party Votes and share Share RepublicanTed GainesWon(incumbent) Republican 287,31464.0% DemocraticRob Rowen Democratic 161,50236.0% - Votes for listed candidates
- 413,367
- Election day
- November 6, 2012
- District map
- Older district map (2012 to 2021)
California Senate District 1, 1968 to 2024, 2012, every candidate Candidate Party Votes and share Share RepublicanTed GainesWon Republican 263,25663.7% DemocraticJulie Griffithflatter Democratic 150,11136.3% - Votes for listed candidates
- 429,470
- Election day
- November 4, 2008
- District map
- Older district map (2002 to 2011)
California Senate District 1, 1968 to 2024, 2008, every candidate Candidate Party Votes and share Share RepublicanDave CoxWon(incumbent) Republican 267,42662.3% DemocraticAnselmo A. Chavez Democratic 162,04437.7% - Votes for listed candidates
- 415,961
- Election day
- November 2, 2004
- District map
- Older district map (2002 to 2011)
California Senate District 1, 1968 to 2024, 2004, every candidate Candidate Party Votes and share Share RepublicanDave CoxWon Republican 261,20762.8% DemocraticKristine Lang McDonald Democratic 141,46234.0% LibertarianRoberto Leibman Libertarian 13,2923.2% - Votes for listed candidates
- 381,499
- Election day
- November 7, 2000
- District map
- Older district map (1992 to 2001)
California Senate District 1, 1968 to 2024, 2000, every candidate Candidate Party Votes and share Share RepublicanThomas OllerWon Republican 220,42757.8% DemocraticThomas Romero Democratic 144,99738.0% LibertarianJon Petersen Libertarian 16,0754.2% - Votes for listed candidates
- 341,980
- Election day
- November 5, 1996
- District map
- Older district map (1992 to 2001)
California Senate District 1, 1968 to 2024, 1996, every candidate Candidate Party Votes and share Share RepublicanTim LeslieWon(incumbent) Republican 215,93163.1% DemocraticThomas Romero Democratic 125,99436.8% OtherLamar Latimer Other 550.0% - Votes for listed candidates
- 345,375
- Election day
- November 3, 1992
- District map
- Older district map (1992 to 2001)
California Senate District 1, 1968 to 2024, 1992, every candidate Candidate Party Votes and share Share RepublicanTim LeslieWon Republican 189,09554.8% DemocraticThomas Romero Democratic 123,56335.8% OtherKent Smith Other 32,7179.5% - Votes for listed candidates
- 302,244
- Election day
- November 8, 1988
- District map
- Older district map (1984 to 1991)
California Senate District 1, 1968 to 2024, 1988, every candidate Candidate Party Votes and share Share RepublicanJohn DoolittleWon(incumbent) Republican 164,11554.3% DemocraticRoy D. Whiteaker Democratic 138,12945.7% - Votes for listed candidates
- 275,421
- Election day
- November 6, 1984
- District map
- Older district map (1984 to 1991)
California Senate District 1, 1968 to 2024, 1984, every candidate Candidate Party Votes and share Share RepublicanJohn DoolittleWon(incumbent) Republican 121,35344.1% IndependentRay Johnson(incumbent) Independent 112,22640.8% DemocraticJack C. Hornsby Democratic 35,97813.1% LibertarianRobert M. Murphy Libertarian 5,8642.1% - Votes for listed candidates
- 278,197
- Election day
- November 4, 1980
- District map
- Older district map (1974 to 1981)
California Senate District 1, 1968 to 2024, 1980, every candidate Candidate Party Votes and share Share RepublicanRay JohnsonWon(incumbent) Republican 190,89768.6% DemocraticDon W. Huggins Democratic 71,04125.5% LibertarianSteve Sparling Libertarian 16,2595.8% - Votes for listed candidates
- 234,006
- Election day
- November 2, 1976
- District map
- Older district map (1974 to 1981)
California Senate District 1, 1968 to 2024, 1976, every candidate Candidate Party Votes and share Share RepublicanRay JohnsonWon Republican 127,45154.5% DemocraticRandolph Collier(incumbent) Democratic 106,55545.5% - Votes for listed candidates
- 200,212
- Election day
- November 7, 1972
- District map
- Older district map (1966 to 1973)
California Senate District 1, 1968 to 2024, 1972, every candidate Candidate Party Votes and share Share DemocraticRandolph CollierWon(incumbent) Democratic 132,77066.3% RepublicanHenry K. Rogers Republican 48,39824.2% OtherToni Novak Sutley Other 19,0449.5% - Votes for listed candidates
- 159,508
- Election day
- November 5, 1968
- District map
- Older district map (1966 to 1973)
California Senate District 1, 1968 to 2024, 1968, every candidate Candidate Party Votes and share Share DemocraticRandolph CollierWon(incumbent) Democratic 95,99860.2% RepublicanE. R. Dryden Republican 60,58238.0% OtherDave Exton Other 2,9281.8%
- 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
Last contest in this district on file: 2024.
Download and cite
Cite this page
Election Wrld. (2026). California Senate District 1, election results 1968 to 2024. https://www.electionwrld.com/ca/senate/1. Retrieved October 30, 2026.
Embed this seat
<iframe src="https://www.electionwrld.com/embed/ca/senate/1" title="California Senate District 1" width="100%" height="400" style="border:0;max-width:640px" loading="lazy"></iframe>
<p style="font-size:13px">Data: <a href="https://www.electionwrld.com">Election Wrld</a>, CC BY 4.0</p>Paste this into any web page. It shows the seat, its last result and the next election.
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:1
DataState data (JSON)Sources: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse)Data as of Oct 28, 2026