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Los Angeles and San Bernardino Counties

31st Congressional District (2026)

760,070 Population
452,591 Voters
These maps go into effect starting with the 2026 election cycle, following the passage of Proposition 50. View 2022 31st Congressional District.
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Los Angeles and San Bernardino Counties

31st Congressional District (2026)

760,070 Population
452,591 Voters
These maps go into effect starting with the 2026 election cycle, following the passage of Proposition 50. View 2022 31st Congressional District.

Unlock full voter and turnout data for 31st Congressional District Voter counts, turnout history, and demographics—ready for your next briefing in minutes, not hours.

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How 31st Congressional District (2026) Voted

2024 Primary

Year
2025 2024 2022 2021 2020 2018 2016 2014
Type
General Primary Special
How they voted in other elections
30 races analyzed
|
Statewide & Federal 9
President - Democrat Joseph R Biden Jr ~XX% +78.2%
Joseph R Biden Jr
~XX% +78.2% ~XX,XXX
Marianne Williamson
~X% -78.2% ~X,XXX
Armando Mando Perez Serrato
~X% -79.4% ~X,XXX
Dean Phillips
~X% -80.0% ~X,XXX
Gabriel Cornejo
~X% -80.1% ~X,XXX
Stephen P Lyons
~X% -81.6% ~XXX
President R Boddie
~X% -82.2% ~XXX
Eban Cambridge
~X% -82.5% ~XXX
~XX,XXX total votes
President - Republican Donald J. Trump ~XX% +68.0%
Donald J. Trump
~XX% +68.0% ~XX,XXX
Nikki Haley
~XX% -68.0% ~X,XXX
Ron De Santis
~X% -80.8% ~XXX
Chris Christie
~X% -81.3% ~XXX
Vivek Ramaswamy
~X% -81.8% ~XXX
Rachel Swift
~X% -81.9% ~XXX
David Stuckenberg
~X% -82.0% ~XX
Ryan L Binkley
~X% -82.0% ~XX
Asa Hutchinson
~X% -82.0% ~XX
~XX,XXX total votes
President - American Independent James Bradley ~XX%
James Bradley
~XX% ~X,XXX
~X,XXX total votes
President - Green Jill Stein ~XX%
Jill Stein
~XX% ~XXX
~XXX total votes
President - Libertarian Charles Ballay ~XX%
Charles Ballay
~XX% ~XXX
~XXX total votes
President - PAF Claudia De La Cruz ~XX% +13.7%
Claudia De La Cruz
~XX% +13.7% ~XXX
Cornel West
~XX% -13.7% ~XX
Jasmine Sherman
~XX% -40.8% ~XX
~XXX total votes
U.S. Senator Steve Garvey ~XX% +8.0%
Steve Garvey
~XX% +8.0% ~XX,XXX
Adam B. Schiff
~XX% -8.0% ~XX,XXX
Katie Porter
~XX% -26.3% ~XX,XXX
Barbara Lee
~X% -32.2% ~X,XXX
Eric Early
~X% -35.9% ~X,XXX
Jonathan Reiss
~X% -36.7% ~X,XXX
Christina Pascucci
~X% -37.0% ~X,XXX
Douglas H. Pierce
~X% -37.1% ~X,XXX
Laura Garza
~X% -37.5% ~XXX
James Bradley
~X% -37.6% ~XXX
Sepi Gilani
~X% -37.6% ~XXX
Sarah Sun Liew
~X% -37.7% ~XXX
Harmesh Kumar
~X% -37.7% ~XXX
Denice Gary Pandol
~X% -37.8% ~XXX
Sharleta Bassett
~X% -37.9% ~XXX
James Jim Macauley
~X% -37.9% ~XXX
Raji Rab
~X% -38.0% ~XXX
John Rose
~X% -38.0% ~XXX
Gail Lightfoot
~X% -38.0% ~XXX
Stefan Simchowitz
~X% -38.0% ~XXX
Mark Ruzon
~X% -38.0% ~XXX
Forrest Jones
~X% -38.1% ~XXX
David Peterson
~X% -38.1% ~XXX
Major Singh
~X% -38.2% ~XXX
Perry Pound
~X% -38.2% ~XXX
Don J. Grundmann
~X% -38.2% ~XX
Martin Veprauskas
~X% -38.2% ~XX
~XXX,XXX total votes
U.S. Senator (Partial Term) Steve Garvey ~XX% +12.8%
Steve Garvey
~XX% +12.8% ~XX,XXX
Adam B. Schiff
~XX% -12.8% ~XX,XXX
Katie Porter
~XX% -23.3% ~XX,XXX
Barbara Lee
~X% -32.3% ~X,XXX
Eric Early
~X% -34.0% ~X,XXX
Christina Pascucci
~X% -36.7% ~X,XXX
Sepi Gilani
~X% -38.8% ~X,XXX
~XXX,XXX total votes
Proposition 1 Bonds for Mental Health Treatment Facilities
FAILED ~XX% Yes -11.2%
Bonds for Mental Health Treatment Facilities
Yes
~XX% -11.2% ~XX,XXX
No
~XX% +11.2% ~XX,XXX
~XXX,XXX total votes
Legislative Races 10
25th State Senate District 11% of contest
Elizabeth Wong Ahlers ~XX% +24.0% View full race results
Elizabeth Wong Ahlers
~XX% +24.0% ~XX,XXX
Sasha Renee Perez
~XX% -24.0% ~X,XXX
Yvonne Yiu
~XX% -35.3% ~X,XXX
Sandra Armenta
~XX% -37.1% ~X,XXX
Teddy Choi
~X% -44.2% ~XXX
~XX,XXX total votes
28th Congressional District 3% of contest
April A. Verlato ~XX% +19.3% View full race results
April A. Verlato
~XX% +19.3% ~X,XXX
Judy Chu*
~XX% -19.3% ~X,XXX
Jose Castaneda
~X% -55.4% ~XXX
William Patterson
~X% -56.2% ~XX
~X,XXX total votes
31st Congressional District 82% of contest
Gil Cisneros ~XX% +2.2% View full race results
Gil Cisneros
~XX% +2.2% ~XX,XXX
Daniel Jose Bocic Martinez
~XX% -2.2% ~XX,XXX
Pedro Antonio Casas
~XX% -4.8% ~XX,XXX
Susan Rubio
~XX% -7.9% ~XX,XXX
Bob J. Archuleta
~XX% -12.3% ~X,XXX
Mary Ann Lutz
~X% -15.7% ~X,XXX
Greg Hafif
~X% -17.6% ~X,XXX
Kurt Jose
~X% -21.2% ~X,XXX
Erskine Levi
~X% -21.3% ~XXX
Marie Manvel
~X% -22.0% ~XXX
~XX,XXX total votes
35th Congressional District 27% of contest
Norma J. Torres* ~XX% +4.6% View full race results
Norma J. Torres*
~XX% +4.6% ~XX,XXX
Mike Cargile
~XX% -4.6% ~X,XXX
Melissa May
~X% -40.0% ~X,XXX
Vijal Suthar
~X% -42.2% ~X,XXX
~XX,XXX total votes
38th Congressional District 5% of contest
Linda T. Sanchez* ~XX% +10.6% View full race results
Linda T. Sanchez*
~XX% +10.6% ~X,XXX
Eric J. Ching
~XX% -10.6% ~X,XXX
John Sarega
~X% -42.1% ~XXX
Robert Zhang Ochoa
~X% -44.8% ~XXX
~X,XXX total votes
41st Assembly District 21% of contest
Michelle Del Rosario Martinez ~XX% +22.2% View full race results
Michelle Del Rosario Martinez
~XX% +22.2% ~XX,XXX
John Harabedian
~XX% -22.2% ~X,XXX
Jed Leano
~XX% -35.9% ~X,XXX
Phlunte Riddle
~XX% -37.5% ~X,XXX
~XX,XXX total votes
48th Assembly District 89% of contest
Dan T. Tran ~XX% +0.9% View full race results
Dan T. Tran
~XX% +0.9% ~XX,XXX
Blanca Rubio*
~XX% -0.9% ~XX,XXX
Brian Calderon Tabatabai
~XX% -22.6% ~XX,XXX
~XX,XXX total votes
53rd Assembly District 41% of contest
Nick Wilson ~XX% +27.3% View full race results
Nick Wilson
~XX% +27.3% ~XX,XXX
Michelle Rodriguez
~XX% -27.3% ~X,XXX
Robert S. Torres
~XX% -30.6% ~X,XXX
Javier Hernandez
~XX% -32.0% ~X,XXX
Carlos Goytia
~X% -41.2% ~X,XXX
~XX,XXX total votes
56th Assembly District 12% of contest
Lisa Calderon* ~XX% +31.8% View full race results
Lisa Calderon*
~XX% +31.8% ~X,XXX
Jessica Martinez
~XX% -31.8% ~X,XXX
Natasha Serrano
~XX% -45.8% ~X,XXX
~X,XXX total votes
59th Assembly District 1% of contest
Phillip Chen* ~XX% +28.6% View full race results
Phillip Chen*
~XX% +28.6% ~XXX
Dave Obrand
~XX% -28.6% ~XXX
~XXX total votes
Overlapping Local Races 8
City of Monrovia City Council
Sergio Jimenez ~XX% +6.6% View full race results
Sergio Jimenez
~XX% +6.6% ~X,XXX
Edward Belden
~XX% -6.6% ~X,XXX
Jesus Rojas
~XX% -12.2% ~X,XXX
Antoinette Mushet
~XX% -18.0% ~X,XXX
~XX,XXX total votes
City of Monrovia General Municipal Trustee Area (unexpired Term)
Janet Wall ~XX% View full race results
Janet Wall
~XX% ~X,XXX
~X,XXX total votes
City of Monrovia Mayor
Becky A Shevlin ~XX% +35.0% View full race results
Becky A Shevlin
~XX% +35.0% ~X,XXX
Larry J Spicer
~XX% -35.0% ~X,XXX
~X,XXX total votes
City of Pomona City Council District 1 5% of contest
John Nolte ~XX% +4.6% View full race results
John Nolte
~XX% +4.6% ~XX
Debra Martin
~XX% -4.6% ~XX
John Mendoza
~XX% -21.8% ~XX
Luis Cano
~X% -30.0% ~XX
~XXX total votes
City of Pomona Mayor 42% of contest
Tim Sandoval ~XX% +25.9% View full race results
Tim Sandoval
~XX% +25.9% ~X,XXX
Freddie Rodriguez
~XX% -25.9% ~X,XXX
Veronica Cabrera
~XX% -42.6% ~XXX
Gustavo Ramirez
~X% -46.7% ~XXX
~X,XXX total votes
Los Angeles County District Attorney 7% of contest
Nathan Hochman ~XX% +4.4% View full race results
Nathan Hochman
~XX% +4.4% ~XX,XXX
Jonathan Hatami
~XX% -4.4% ~XX,XXX
George Gascon
~XX% -4.7% ~XX,XXX
Debra Archuleta
~XX% -7.2% ~XX,XXX
Maria Ramirez
~X% -11.7% ~X,XXX
David S Milton
~X% -12.9% ~X,XXX
Eric Siddall
~X% -13.1% ~X,XXX
John Mckinney
~X% -13.5% ~X,XXX
Jeff Chemerinsky
~X% -13.8% ~X,XXX
Craig J Mitchell
~X% -16.2% ~X,XXX
Lloyd Masson
~X% -16.5% ~X,XXX
Dan Kapelovitz
~X% -18.9% ~XXX
~XX,XXX total votes
Los Angeles County Supervisor District 5 12% of contest
Kathryn Barger ~XX% +39.1% View full race results
Kathryn Barger
~XX% +39.1% ~XX,XXX
Chris Holden
~XX% -39.1% ~X,XXX
Perry Goldberg
~X% -52.8% ~X,XXX
K Anthony
~X% -55.4% ~X,XXX
Marlon Marroquin
~X% -58.7% ~X,XXX
~XX,XXX total votes
Pasadena Area Community College District Trustee Area Trustee Area 6 2% of contest
John Quintanilla ~XX% +2.2% View full race results
John Quintanilla
~XX% +2.2% ~XX
Ryan Liu
~XX% -2.2% ~XX
~XXX total votes
Overlapping Ballot Measures 3
Measure P - City of Pomona 42% of contest
PASSED ~XX% Yes +18.8% View full results
Yes
~XX% +18.8% ~X,XXX
No
~XX% -18.8% ~X,XXX
~X,XXX total votes
Measure V - City of Chino 87% of contest
PASSED ~XX% Yes +20.0% View full results
Yes
~XX% +20.0% ~X,XXX
No
~XX% -20.0% ~X,XXX
~XX,XXX total votes
Measure X - City of Pomona 42% of contest
PASSED ~XX% Yes +11.8% View full results
Yes
~XX% +11.8% ~X,XXX
No
~XX% -11.8% ~X,XXX
~X,XXX total votes
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