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Contra Costa County

County of Contra Costa - District 1

Supervisor: John Gioia
236,086 Population
129,489 Voters
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Contra Costa County

County of Contra Costa - District 1

Supervisor: John Gioia
236,086 Population
129,489 Voters

Unlock full voter and turnout data for 1st Supervisorial District Voter counts, turnout history, and demographics—ready for your next briefing in minutes, not hours.

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How County of Contra Costa - District 1 Voted

2024 Primary

Year
2025 2024 2022 2021 2020 2018 2016 2014
Type
General Primary Special
How they voted in other elections
15 races analyzed
|
Statewide & Federal 8
President - Democrat Joseph R Biden Jr ~XX% +88.1%
Joseph R Biden Jr
~XX% +88.1% ~XX,XXX
Marianne Williamson
~X% -88.1% ~X,XXX
Dean Phillips
~X% -89.8% ~XXX
Gabriel Cornejo
~X% -90.8% ~XXX
President R Boddie
~X% -91.1% ~XXX
Armando Mando Perez Serrato
~X% -91.1% ~XXX
Stephen P Lyons
~X% -91.4% ~XXX
Eban Cambridge
~X% -91.4% ~XXX
~XX,XXX total votes
President - Republican Donald J. Trump ~XX% +57.6%
Donald J. Trump
~XX% +57.6% ~X,XXX
Nikki Haley
~XX% -57.6% ~XXX
Chris Christie
~X% -74.6% ~XX
Ron De Santis
~X% -74.9% ~XX
Vivek Ramaswamy
~X% -75.5% ~XX
David Stuckenberg
~X% -75.8% ~XX
Ryan L Binkley
~X% -76.0% ~XX
Rachel Swift
~X% -76.0% ~XX
Asa Hutchinson
~X% -76.2% ~XX
~X,XXX total votes
President - American Independent James Bradley ~XX%
James Bradley
~XX% ~XXX
~XXX total votes
President - Green Jill Stein ~XX%
Jill Stein
~XX% ~XXX
~XXX total votes
President - Libertarian Charles Ballay ~XX%
Charles Ballay
~XX% ~XX
~XX total votes
President - PAF Cornel West ~XX% +8.2%
Cornel West
~XX% +8.2% ~XX
Claudia De La Cruz
~XX% -8.2% ~XX
Jasmine Sherman
~XX% -38.5% ~XX
~XXX total votes
U.S. Senator Adam B. Schiff ~XX% +13.9%
Adam B. Schiff
~XX% +13.9% ~XX,XXX
Barbara Lee
~XX% -13.9% ~XX,XXX
Katie Porter
~XX% -22.8% ~X,XXX
Steve Garvey
~X% -30.9% ~X,XXX
Eric Early
~X% -39.0% ~XXX
James Bradley
~X% -39.6% ~XXX
Christina Pascucci
~X% -39.6% ~XXX
Laura Garza
~X% -39.7% ~XXX
Stefan Simchowitz
~X% -39.8% ~XXX
Sarah Sun Liew
~X% -39.9% ~XXX
Gail Lightfoot
~X% -39.9% ~XXX
Jonathan Reiss
~X% -39.9% ~XXX
Major Singh
~X% -39.9% ~XXX
Sharleta Bassett
~X% -39.9% ~XXX
Sepi Gilani
~X% -39.9% ~XXX
David Peterson
~X% -40.0% ~XXX
Harmesh Kumar
~X% -40.0% ~XX
Douglas H. Pierce
~X% -40.0% ~XX
James Jim Macauley
~X% -40.0% ~XX
Denice Gary Pandol
~X% -40.1% ~XX
Perry Pound
~X% -40.1% ~XX
Raji Rab
~X% -40.1% ~XX
John Rose
~X% -40.1% ~XX
Forrest Jones
~X% -40.1% ~XX
Martin Veprauskas
~X% -40.1% ~XX
Mark Ruzon
~X% -40.1% ~XX
Don J. Grundmann
~X% -40.1% ~XX
~XX,XXX total votes
Proposition 1 Bonds for Mental Health Treatment Facilities
PASSED ~XX% Yes +32.8%
Bonds for Mental Health Treatment Facilities
Yes
~XX% +32.8% ~XX,XXX
No
~XX% -32.8% ~XX,XXX
~XX,XXX total votes
Legislative Races 6
10th Congressional District 0% of contest
Mark De Saulnier* ~XX% +29.4% View full race results
Mark De Saulnier*
~XX% +29.4% ~XX
Katherine Piccinini
~XX% -29.4% ~XX
Joe Sweeney
~X% -52.9% ~XX
Nolan Lee Chen
~X% -52.9% ~XX
~XX total votes
14th Assembly District 39% of contest
Buffy Wicks* ~XX% +54.9% View full race results
Buffy Wicks*
~XX% +54.9% ~XX,XXX
Margot Smith
~XX% -54.9% ~X,XXX
Utkarsh Jain
~XX% -58.7% ~X,XXX
~XX,XXX total votes
15th Assembly District 0% of contest
Sonia Ledo ~XX% +6.7% View full race results
Sonia Ledo
~XX% +6.7% ~XX
Monica E. Wilson
~XX% -6.7% ~XX
Anamarie Avila Farias
~XX% -13.3% ~XX
~XX total votes
7th State Senate District 22% of contest
Jesse Arreguin ~XX% +10.5% View full race results
Jesse Arreguin
~XX% +10.5% ~XX,XXX
Jovanka Beckles
~XX% -10.5% ~X,XXX
Dan Kalb
~XX% -15.2% ~X,XXX
Kathryn Lybarger
~XX% -15.4% ~X,XXX
Jeanne Solnordal
~XX% -17.6% ~X,XXX
Sandre R Swanson
~X% -23.1% ~X,XXX
~XX,XXX total votes
8th Congressional District 33% of contest
John Garamendi* ~XX% +72.4% View full race results
John Garamendi*
~XX% +72.4% ~XX,XXX
Rudy Recile
~XX% -72.4% ~X,XXX
~XX,XXX total votes
9th State Senate District 0% of contest
Tim Grayson ~XX% +50.0% View full race results
Tim Grayson
~XX% +50.0% ~XX
Marisol Rubio
~XX% -50.0% ~XX
~XX total votes
Overlapping Ballot Measures 1
Measure C - Martinez Unified School District 0% of contest
PASSED ~XX% Yes +17.6% View full results
Yes
~XX% +17.6% ~XX
No
~XX% -17.6% ~XX
~XX total votes
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