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Contra Costa County

1,167,984 Population
732,464 Voters
Countywide District 1 District 2 District 3 District 4 District 5
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Contra Costa County

1,167,984 Population
732,464 Voters
Countywide District 1 District 2 District 3 District 4 District 5

Unlock full voter and turnout data for Contra Costa Voter counts, turnout history, and demographics—ready for your next briefing in minutes, not hours.

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How Contra Costa County Voted

2018 Primary

Year
2025 2024 2022 2021 2020 2019 2018 2016 2014 2012
Type
General Primary Special
How they voted in other elections Contra Costa County's election results
22 races analyzed
|
Statewide & Federal 14
U.S. Senator Dianne Feinstein* ~XX% +45.1%
Dianne Feinstein*
~XX% +45.1% ~XXX,XXX
Kevin De Leon
~XX% -45.1% ~XX,XXX
Erin Cruz
~X% -51.2% ~XX,XXX
James P Bradley
~X% -51.2% ~XX,XXX
Paul A Taylor
~X% -51.6% ~X,XXX
Arun K. Bhumitra
~X% -51.7% ~X,XXX
Alison Hartson
~X% -53.5% ~X,XXX
Tom Palzer
~X% -54.0% ~X,XXX
Pat Harris
~X% -54.1% ~X,XXX
John Crew
~X% -54.4% ~X,XXX
Roque De La Fuente
~X% -54.5% ~X,XXX
Derrick Michael Reid
~X% -54.8% ~X,XXX
Kevin Mottus
~X% -54.8% ~X,XXX
Adrienne Nicole Edwards
~X% -55.0% ~X,XXX
Patrick Little
~X% -55.3% ~X,XXX
Mario Nabliba
~X% -55.4% ~X,XXX
Donnie O. Turner
~X% -55.4% ~XXX
Jerry Joseph Laws
~X% -55.4% ~XXX
David Moore
~X% -55.5% ~XXX
David Hildebrand
~X% -55.5% ~XXX
Jason M. Hanania
~X% -55.5% ~XXX
John Thompson Parker
~X% -55.5% ~XXX
Douglas Howard Pierce
~X% -55.5% ~XXX
Lee Olson
~X% -55.5% ~XXX
Ling Ling Shi
~X% -55.6% ~XXX
Colleen Shea Fernald
~X% -55.6% ~XXX
Don J. Grundmann
~X% -55.6% ~XXX
Herbert G. Peters
~X% -55.6% ~XXX
Gerald Plummer
~X% -55.6% ~XXX
Rash Bihari Ghosh
~X% -55.7% ~XXX
Tim Gildersleeve
~X% -55.7% ~XXX
Michael Fahmy Girgis
~X% -55.8% ~XX
~XXX,XXX total votes
Governor Gavin Newsom ~XX% +30.2%
Gavin Newsom
~XX% +30.2% ~XXX,XXX
John H. Cox
~XX% -30.2% ~XX,XXX
Antonio Villaraigosa
~X% -41.2% ~XX,XXX
Travis Allen
~X% -42.5% ~XX,XXX
John Chiang
~X% -43.0% ~XX,XXX
Delaine Eastin
~X% -46.5% ~X,XXX
Amanda Renteria
~X% -48.7% ~X,XXX
Michael Shellenberger
~X% -49.5% ~X,XXX
Robert C. Newman Ii
~X% -49.5% ~XXX
Zoltan Istvan
~X% -49.7% ~XXX
Gloria Estela La Riva
~X% -49.7% ~XXX
Josh Jones
~X% -49.7% ~XXX
Yvonne Girard
~X% -49.7% ~XXX
Nickolas Wildstar
~X% -49.8% ~XXX
J. Bribiesca
~X% -49.8% ~XXX
Christopher N. Carlson
~X% -49.8% ~XXX
Peter Y Liu
~X% -49.8% ~XXX
Thomas Jefferson Cares
~X% -49.8% ~XXX
Albert Caesar Mezzetti
~X% -49.8% ~XXX
Akinyemi Agbede
~X% -49.8% ~XXX
Robert Davidson Griffis
~X% -49.8% ~XXX
Shubham Goel
~X% -49.8% ~XXX
Desmond Silveira
~X% -49.8% ~XXX
Johnny Wattenburg
~X% -49.8% ~XXX
Hakan Mikado
~X% -49.8% ~XXX
Jeffrey Edward Taylor
~X% -49.9% ~XX
Klement Tinaj
~X% -49.9% ~XX
~XXX,XXX total votes
Lieutenant Governor Eleni Kounalakis ~XX% +9.3%
Eleni Kounalakis
~XX% +9.3% ~XX,XXX
Ed Hernandez
~XX% -9.3% ~XX,XXX
Jeff Bleich
~XX% -9.4% ~XX,XXX
Cole Harris
~XX% -15.5% ~XX,XXX
David Fennell
~X% -18.7% ~XX,XXX
Gayle Mc Laughlin
~X% -20.6% ~XX,XXX
Lydia Ortega
~X% -21.1% ~XX,XXX
David R. Hernandez
~X% -22.4% ~X,XXX
Tim Ferreira
~X% -25.0% ~X,XXX
Cameron Gharabiklou
~X% -25.7% ~X,XXX
Danny Thomas
~X% -26.1% ~X,XXX
~XXX,XXX total votes
Attorney General Xavier Becerra* ~XX% +30.4%
Xavier Becerra*
~XX% +30.4% ~XXX,XXX
Steven C Bailey
~XX% -30.4% ~XX,XXX
Dave Jones
~XX% -32.0% ~XX,XXX
Eric Early
~XX% -39.2% ~XX,XXX
~XXX,XXX total votes
Secretary of State Alex Padilla* ~XX% +35.9%
Alex Padilla*
~XX% +35.9% ~XXX,XXX
Mark P. Meuser
~XX% -35.9% ~XX,XXX
Ruben Major
~X% -56.6% ~X,XXX
Raul Rodriguez Jr
~X% -57.8% ~X,XXX
Gail K. Lightfoot
~X% -57.9% ~X,XXX
Michael Feinstein
~X% -58.2% ~X,XXX
C. T. Weber
~X% -59.8% ~X,XXX
Erik Rydberg
~X% -60.1% ~X,XXX
~XXX,XXX total votes
Treasurer Fiona Ma ~XX% +34.3%
Fiona Ma
~XX% +34.3% ~XXX,XXX
Greg Conlon
~XX% -34.3% ~XX,XXX
Vivek Viswanathan
~XX% -34.8% ~XX,XXX
Jack M. Guerrero
~XX% -34.9% ~XX,XXX
Kevin Akin
~X% -48.5% ~X,XXX
~XXX,XXX total votes
Controller Betty T. Yee* ~XX% +46.0%
Betty T. Yee*
~XX% +46.0% ~XXX,XXX
Konstantinos Roditis
~XX% -46.0% ~XX,XXX
Mary Lou Finley
~X% -66.6% ~X,XXX
~XXX,XXX total votes
Insurance Commissioner Steve Poizner ~XX% +7.3%
Steve Poizner
~XX% +7.3% ~XX,XXX
Ricardo Lara
~XX% -7.3% ~XX,XXX
Asif Mahmood
~XX% -28.4% ~XX,XXX
Nathalie Hrizi
~X% -38.3% ~XX,XXX
~XXX,XXX total votes
Superintendent of Public Education Tony K. Thurmond ~XX% +10.5%
Tony K. Thurmond
~XX% +10.5% ~XX,XXX
Marshall Tuck
~XX% -10.5% ~XX,XXX
Lily Ploski
~XX% -33.2% ~XX,XXX
Steven Ireland
~X% -36.7% ~XX,XXX
~XXX,XXX total votes
Proposition 68 Parks and Water Projects Bond
PASSED ~XX% Yes +23.2%
Parks and Water Projects Bond
Yes
~XX% +23.2% ~XXX,XXX
No
~XX% -23.2% ~XX,XXX
~XXX,XXX total votes
Proposition 69 Transportation Taxes and Fees Allocation
PASSED ~XX% Yes +69.4%
Transportation Taxes and Fees Allocation
Yes
~XX% +69.4% ~XXX,XXX
No
~XX% -69.4% ~XX,XXX
~XXX,XXX total votes
Proposition 70 Spending Rules for Cap and Trade Revenue
FAILED ~XX% Yes -25.4%
Spending Rules for Cap and Trade Revenue
Yes
~XX% -25.4% ~XX,XXX
No
~XX% +25.4% ~XXX,XXX
~XXX,XXX total votes
Proposition 71 Effective Date of Ballot Measures
PASSED ~XX% Yes +61.2%
Effective Date of Ballot Measures
Yes
~XX% +61.2% ~XXX,XXX
No
~XX% -61.2% ~XX,XXX
~XXX,XXX total votes
Proposition 72 Exclude Rainwater Capture Systems from Tax Assessment
PASSED ~XX% Yes +70.4%
Exclude Rainwater Capture Systems from Tax Assessment
Yes
~XX% +70.4% ~XXX,XXX
No
~XX% -70.4% ~XX,XXX
~XXX,XXX total votes
Legislative Races 8
11th Assembly District 45% of contest
Jim Frazier* ~XX% +14.5% View full race results
Jim Frazier*
~XX% +14.5% ~XX,XXX
Lisa Romero
~XX% -14.5% ~XX,XXX
Diane Stewart
~XX% -36.1% ~X,XXX
~XX,XXX total votes
11th Congressional District
Mark De Saulnier* ~XX% +45.2% View full race results
Mark De Saulnier*
~XX% +45.2% ~XXX,XXX
John Fitzgerald
~XX% -45.2% ~XX,XXX
Dennis Lytton
~X% -62.8% ~X,XXX
Chris Wood
~X% -65.2% ~X,XXX
~XXX,XXX total votes
14th Assembly District 70% of contest
Tim Grayson* ~XX% +67.2% View full race results
Tim Grayson*
~XX% +67.2% ~XX,XXX
Aasim Yahya
~XX% -67.2% ~X,XXX
~XX,XXX total votes
15th Congressional District 11% of contest
Eric Swalwell* ~XX% +35.4% View full race results
Eric Swalwell*
~XX% +35.4% ~X,XXX
Rudy L. Peters Jr.
~XX% -35.4% ~X,XXX
Brendan St. John
~X% -63.2% ~XXX
~XX,XXX total votes
16th Assembly District 62% of contest
Catharine Baker* ~XX% +13.2% View full race results
Catharine Baker*
~XX% +13.2% ~XX,XXX
Rebecca Bauer Kahan
~XX% -13.2% ~XX,XXX
~XX,XXX total votes
2nd Board of Equalization District 11% of contest
Malia Cohen ~XX% +6.8% View full race results
Malia Cohen
~XX% +6.8% ~XX,XXX
Mark Burns
~XX% -6.8% ~XX,XXX
Cathleen Galgiani
~XX% -8.4% ~XX,XXX
Barry Chang
~X% -29.6% ~XX,XXX
~XXX,XXX total votes
5th Congressional District 11% of contest
Mike Thompson* ~XX% +64.9% View full race results
Mike Thompson*
~XX% +64.9% ~XX,XXX
Nils Palsson
~XX% -64.9% ~X,XXX
Anthony Mills
~X% -67.2% ~X,XXX
Jason Kishineff
~X% -71.9% ~XXX
~XX,XXX total votes
9th Congressional District 30% of contest
Jerry Mc Nerney* ~XX% +20.4% View full race results
Jerry Mc Nerney*
~XX% +20.4% ~XX,XXX
Marla Livengood
~XX% -20.4% ~XX,XXX
Mike A. Tsarnas
~X% -51.2% ~X,XXX
~XX,XXX total votes
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