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.

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.

How 31st Congressional District (2026) Voted

2022 General

How they voted in other elections
66 races analyzed
|
Statewide & Federal 16
U.S. Senator Alex Padilla ~XX% +14.2%
Alex Padilla
~XX% +14.2% ~XXX,XXX
Mark P. Meuser
~XX% -14.2% ~XX,XXX
Governor Gavin Newsom* ~XX% +9.4%
Gavin Newsom*
~XX% +9.4% ~XX,XXX
Brian Dahle
~XX% -9.4% ~XX,XXX
Lieutenant Governor Eleni Kounalakis* ~XX% +10.4%
Eleni Kounalakis*
~XX% +10.4% ~XX,XXX
Angela E. Underwood Jacobs
~XX% -10.4% ~XX,XXX
Attorney General Rob Bonta ~XX% +9.6%
Rob Bonta
~XX% +9.6% ~XX,XXX
Nathan Hochman
~XX% -9.6% ~XX,XXX
Secretary of State Shirley N. Weber ~XX% +11.4%
Shirley N. Weber
~XX% +11.4% ~XX,XXX
Rob Bernosky
~XX% -11.4% ~XX,XXX
Treasurer Fiona Ma* ~XX% +8.8%
Fiona Ma*
~XX% +8.8% ~XX,XXX
Jack M. Guerrero
~XX% -8.8% ~XX,XXX
Controller Malia M. Cohen ~XX% +4.8%
Malia M. Cohen
~XX% +4.8% ~XX,XXX
Lanhee J. Chen
~XX% -4.8% ~XX,XXX
Insurance Commissioner Ricardo Lara* ~XX% +12.8%
Ricardo Lara*
~XX% +12.8% ~XX,XXX
Robert Howell
~XX% -12.8% ~XX,XXX
Superintendent of Public Education Tony K. Thurmond* ~XX% +18.8%
Tony K. Thurmond*
~XX% +18.8% ~XX,XXX
Lance Ray Christensen
~XX% -18.8% ~XX,XXX
Proposition 1 Constitutional Right to Reproductive Freedom
PASSED ~XX% Yes +18.6%
Constitutional Right to Reproductive Freedom
Yes
~XX% +18.6% ~XXX,XXX
No
~XX% -18.6% ~XX,XXX
Proposition 26 Sports Wagering on Tribal Lands
FAILED ~XX% Yes -38.8%
Sports Wagering on Tribal Lands
Yes
~XX% -38.8% ~XX,XXX
No
~XX% +38.8% ~XXX,XXX
Proposition 27 Online Sports Wagering Outside of Tribal Lands
FAILED ~XX% Yes -63.4%
Online Sports Wagering Outside of Tribal Lands
Yes
~XX% -63.4% ~XX,XXX
No
~XX% +63.4% ~XXX,XXX
Proposition 28 Public School Arts and Music Education Funding
PASSED ~XX% Yes +21.6%
Public School Arts and Music Education Funding
Yes
~XX% +21.6% ~XXX,XXX
No
~XX% -21.6% ~XX,XXX
Proposition 29 Regulates Kidney Dialysis Clinics
FAILED ~XX% Yes -35.6%
Regulates Kidney Dialysis Clinics
Yes
~XX% -35.6% ~XX,XXX
No
~XX% +35.6% ~XXX,XXX
Proposition 30 Tax to Fund ZEV/Wildfire Programs
FAILED ~XX% Yes -29.0%
Tax to Fund ZEV/Wildfire Programs
Yes
~XX% -29.0% ~XX,XXX
No
~XX% +29.0% ~XXX,XXX
Proposition 31 Prohibition on Sale of Certain Tobacco Products
PASSED ~XX% Yes +19.2%
Prohibition on Sale of Certain Tobacco Products
Yes
~XX% +19.2% ~XXX,XXX
No
~XX% -19.2% ~XX,XXX
Legislative Races 13
Assembly Total (4 races) Democrat Vote ~XX% +14.8%
Democrat Vote
~XX% +14.8% ~XX,XXX
Republican Vote
~XX% -14.8% ~XX,XXX
Congressional Total (4 races) Democrat Vote ~XX% +11.6%
Democrat Vote
~XX% +11.6% ~XX,XXX
Republican Vote
~XX% -11.6% ~XX,XXX
Senate Total (2 races) Democrat Vote ~XX% +14.6%
Democrat Vote
~XX% +14.6% ~XX,XXX
Republican Vote
~XX% -14.6% ~XX,XXX
22nd State Senate District 62% of contest
Susan Rubio ~XX% +11.0% View full race results
Susan Rubio
~XX% +11.0% ~XX,XXX
Vincent Tsai
~XX% -11.0% ~XX,XXX
28th Congressional District 3% of contest
Wes Hallman ~XX% +17.4% View full race results
Wes Hallman
~XX% +17.4% ~X,XXX
Judy Chu
~XX% -17.4% ~X,XXX
30th State Senate District 13% of contest
Bob Archuleta ~XX% +30.6% View full race results
Bob Archuleta
~XX% +30.6% ~XX,XXX
Mitch Clemmons
~XX% -30.6% ~X,XXX
31st Congressional District 80% of contest
Grace F. Napolitano ~XX% +14.8% View full race results
Grace F. Napolitano
~XX% +14.8% ~XX,XXX
Daniel Bocic Martinez
~XX% -14.8% ~XX,XXX
35th Congressional District 29% of contest
Norma J. Torres ~XX% +9.6% View full race results
Norma J. Torres
~XX% +9.6% ~XX,XXX
Mike Cargile
~XX% -9.6% ~XX,XXX
38th Congressional District 6% of contest
Eric J. Ching ~XX% +1.6% View full race results
Eric J. Ching
~XX% +1.6% ~X,XXX
Linda T. Sanchez
~XX% -1.6% ~X,XXX
3rd Board of Equalization District 6% of contest
Tony Vazquez ~XX% +20.0% View full race results
Tony Vazquez
~XX% +20.0% ~XX,XXX
Y. Marie Manvel
~XX% -20.0% ~XX,XXX
41st Assembly District 21% of contest
Chris Holden ~XX% +3.4% View full race results
Chris Holden
~XX% +3.4% ~XX,XXX
Michael Mc Mahon
~XX% -3.4% ~XX,XXX
48th Assembly District 87% of contest
Blanca Rubio ~XX% +18.2% View full race results
Blanca Rubio
~XX% +18.2% ~XX,XXX
Ryan Maye
~XX% -18.2% ~XX,XXX
4th Board of Equalization District 1% of contest
Mike Schaefer ~XX% +26.8% View full race results
Mike Schaefer
~XX% +26.8% ~XX,XXX
David Dodson
~XX% -26.8% ~X,XXX
53rd Assembly District 41% of contest
Freddie Rodriguez ~XX% +15.2% View full race results
Freddie Rodriguez
~XX% +15.2% ~XX,XXX
Toni Holle
~XX% -15.2% ~XX,XXX
56th Assembly District 13% of contest
Lisa Calderon ~XX% +21.2% View full race results
Lisa Calderon
~XX% +21.2% ~X,XXX
Jessica Martinez
~XX% -21.2% ~X,XXX
59th Assembly District 6% of contest
Phillip Chen ~XX% +37.0% View full race results
Phillip Chen
~XX% +37.0% ~XXX
Leon Q. Sit
~XX% -37.0% ~XXX
Overlapping Local Races 20
Baldwin Park Unified School District Governing Board Member 0% of contest
John Bernard De Leon ~XX% +10.9% View full race results
John Bernard De Leon
~XX% +10.9% ~XX
Deanna Coronado Robles
~XX% -10.9% ~XX
Annalynn C. Apolinario
~XX% -14.5% ~XX
Bassett Unified School District Governing Board Member 73% of contest
Dolores Castro Rivera ~XX% +0.9% View full race results
Dolores Castro Rivera
~XX% +0.9% ~X,XXX
Patrice Stanzione
~XX% -0.9% ~X,XXX
Aaron Simental
~XX% -7.9% ~X,XXX
Virginia Garcia
~XX% -10.0% ~XXX
Bonita Unified School District Governing Board Member (unexpired Term Ending December 13, 2024)
Chris Ann Horsley ~XX% +10.2% View full race results
Chris Ann Horsley
~XX% +10.2% ~XX,XXX
Brittany Allison
~XX% -10.2% ~X,XXX
Chino Valley Unified School District Governing Board Member Trustee Area 3 36% of contest
Sonja Shaw ~XX% +12.6% View full race results
Sonja Shaw
~XX% +12.6% ~X,XXX
Christina Gagnier
~XX% -12.6% ~X,XXX
Citrus Community College District Governing Board Member Trustee Area 3 99% of contest
Cheryl A. Alexander ~XX% +30.1% View full race results
Cheryl A. Alexander
~XX% +30.1% ~X,XXX
Paul Naccachian
~XX% -30.1% ~X,XXX
Irene Murray
~XX% -33.7% ~X,XXX
City of Chino City Council District 3 39% of contest
Marc A. Lucio ~XX% +37.7% View full race results
Marc A. Lucio
~XX% +37.7% ~XXX
Aabir Bushara
~XX% -37.7% ~XXX
Larry Wu
~XX% -38.4% ~XXX
City of Irwindale Member of the City Council
Hector Manuel Ortiz ~XX% +2.9% View full race results
Hector Manuel Ortiz
~XX% +2.9% ~XXX
Albert F. Albie Ambriz
~XX% -2.9% ~XXX
Jason L. Hickman
~XX% -11.4% ~XXX
Rosemary P. Martinez
~XX% -15.4% ~XXX
City of Montclair Mayor 96% of contest
Javier John Dutrey ~XX% +27.2% View full race results
Javier John Dutrey
~XX% +27.2% ~X,XXX
Oscar Miranda
~XX% -27.2% ~X,XXX
City of Pomona City Council District 2 88% of contest
Victor Preciado ~XX% +4.6% View full race results
Victor Preciado
~XX% +4.6% ~X,XXX
Jacky Elizalde
~XX% -4.6% ~XXX
City of Pomona City Council District 3 97% of contest
Nora Garcia ~XX% +46.6% View full race results
Nora Garcia
~XX% +46.6% ~X,XXX
Larry Ortega
~XX% -46.6% ~XXX
Claremont Unified School District Governing Board Member Trustee Area No. 4 3% of contest
Steven Llanusa ~XX% +4.6% View full race results
Steven Llanusa
~XX% +4.6% ~XX
Aaron T. Peterson
~XX% -4.6% ~XX
El Monte City School District Governing Board Member 2% of contest
Lisette Idalia Mendez ~XX% View full race results
Lisette Idalia Mendez
~XX% +0.0% ~XXX
Elizabeth Beth Rivas
~XX% 0.0% ~XXX
V. Major Patel
~XX% -6.2% ~XX
Christina Flores
~XX% -7.0% ~XX
Los Angeles County Sheriff 6% of contest
Robert Luna ~XX% +1.6% View full race results
Robert Luna
~XX% +1.6% ~XX,XXX
Alex Villanueva
~XX% -1.6% ~XX,XXX
Ontario Montclair School District Governing Board Member Trustee Area 2 15% of contest
Elvia M. Rivas ~XX% +32.2% View full race results
Elvia M. Rivas
~XX% +32.2% ~XXX
Geovanna Nieves
~XX% -32.2% ~XXX
Ontario Montclair School District Governing Board Member Trustee Area 3 16% of contest
Kristen 'Kris' Brake ~XX% +20.8% View full race results
Kristen 'Kris' Brake
~XX% +20.8% ~XXX
Crisol Mena
~XX% -20.8% ~XXX
Pomona Unified School District Governing Board Member Trustee Area No. 5 16% of contest
Patricia Patty Tye ~XX% +44.8% View full race results
Patricia Patty Tye
~XX% +44.8% ~XXX
Chidi Benjamin Udengwu
~XX% -44.8% ~XXX
Rowland Unified School District Governing Board Member Trustee Area No. 5 11% of contest
Donna Freedman ~XX% +33.8% View full race results
Donna Freedman
~XX% +33.8% ~XXX
Kevin T. Hayakawa
~XX% -33.8% ~XXX
San Bernardino County Board of Education Board of Education Trustee Area B 7% of contest
Rita Maria Fernandez Loof ~XX% +16.4% View full race results
Rita Maria Fernandez Loof
~XX% +16.4% ~X,XXX
Robert H. Bennett
~XX% -16.4% ~X,XXX
J. Steve Garcia
~XX% -19.2% ~X,XXX
Walnut Valley Unified School District Governing Board Member 42% of contest
Helen Hall ~XX% +0.1% View full race results
Helen Hall
~XX% +0.1% ~X,XXX
Yi Tony Torng
~XX% -0.1% ~X,XXX
Cindy Ruiz
~XX% -3.2% ~X,XXX
Hong Diana Zhao
~XX% -11.5% ~X,XXX
West Covina Unified School District Governing Board Member
Rose Lopez ~XX% +5.3% View full race results
Rose Lopez
~XX% +5.3% ~X,XXX
Eileen Miranda Jimenez
~XX% -5.3% ~X,XXX
Frances Gonzalez
~XX% -15.6% ~X,XXX
Overlapping Ballot Measures 17
Measure A - County of Los Angeles 6% of contest
PASSED ~XX% Yes +24.6% View full results
Shall the measure amending the County of Los Angeles Charter to grant the Board of Supervisors authority to remove an elected Sheriff from office for cause, including violation of law related to a Sheriff's duties, flagrant or repeated neglect of duties, misappropriation of funds, willful falsification of documents, or obstructing an investigation, by a four-fifths vote of the Board of Supervisors, after written notice and an opportunity to be heard, be adopted?
Yes
~XX% +24.6% ~XX,XXX
No
~XX% -24.6% ~XX,XXX
Measure C - County of Los Angeles 6% of contest
PASSED ~XX% Yes +13.0% View full results
Shall the measure enacting a tax in the unincorporated areas of Los Angeles County on cannabis businesses at annual rates not to exceed $10 per square foot for cultivation (adjusted for inflation) and a percentage of gross receipts for various cannabis businesses, including retail (6 percent), testing laboratory (2 percent), distribution (3 percent), manufacturing and for all other cannabis businesses (4 percent), generating approximately $10,360,000 to $15,170,000 annually, until ended by voters, be adopted?
Yes
~XX% +13.0% ~XX,XXX
No
~XX% -13.0% ~XX,XXX
Measure D - County of San Bernardino 6% of contest
PASSED ~XX% Yes +18.6% View full results
Shall the amendments to the San Bernardino County Charter for taxpayer protection and government reform be adopted?
Yes
~XX% +18.6% ~XX,XXX
No
~XX% -18.6% ~X,XXX
Measure EE - County of San Bernardino 6% of contest
PASSED ~XX% Yes +4.4% View full results
(ADVISORY) Do the people of San Bernardino County want San Bernardino County elected representatives to study and advocate for all options to obtain the County’s fair share of state funding, up to and including secession from the State of California?
Yes
~XX% +4.4% ~XX,XXX
No
~XX% -4.4% ~XX,XXX
Measure II - City of Montclair 96% of contest
PASSED ~XX% Yes +3.0% View full results
(ADVISORY) Shall the measure funding general Montclair services, including supporting 911 /police/fire response; preventing thefts/property crime; recruiting/retaining firefighters, paramedics; retaining local business/ jobs; repairing streets/potholes; addressing homelessness; by taxing cannabis retail, delivery, cultivation, manufacturing/testing businesses at a rate of not more than 7% of gross receipts, raising about $3,500,000 annually, until ended by voters, requiring audits, spending disclosure, funds used locally, cannabis businesses follow laws protecting public health/safety, be adopted?
Yes
~XX% +3.0% ~X,XXX
No
~XX% -3.0% ~X,XXX
Measure MM - Monrovia Unified School District 99% of contest
PASSED ~XX% Yes +25.2% View full results
To repair/upgrade classrooms, science labs, career-training facilities, and instructional technology to support student achievement and college/career readiness in math, science, technology, engineering, arts and skilled trades; fix deteriorating roofs, plumbing, electrical systems; and improve school safety/security systems, shall Monrovia Unified School District's measure be adopted authorizing $75,000,000 in bonds at legal rates, levying 3 cents per $100 assessed value ($4,700,000 annually) while bonds are outstanding, with independent citizen oversight and all money locally-controlled?
Yes
~XX% +25.2% ~X,XXX
No
~XX% -25.2% ~X,XXX
Measure PC - City of Pomona 45% of contest
PASSED ~XX% Yes +47.0% View full results
Shall the City Charter be amended to change the City’s campaign finance and conflict of interest laws; including updates to the City’s campaign contribution limits, voluntary expenditure ceiling, rules for use of surplus campaign funds, and mandating disclosure of certain campaign contributions by a Councilmember prior to casting a vote on a City matter where the contributor is the applicant?
Yes
~XX% +47.0% ~X,XXX
No
~XX% -47.0% ~X,XXX
Measure Pcc - Pasadena Community College District 0% of contest
PASSED ~XX% Yes +3.4% View full results
To upgrade aging labs, instructional technology, classrooms and career-training facilities, improve student access to affordable, high quality education in subjects like nursing, health sciences, engineering, technology and skilled trades; fix deteriorating roofs, plumbing and electrical systems; and remove asbestos/ lead pipes, shall the Pasadena Area Community College District bond measure authorizing $565,000,000 at legal rates be adopted, levying 2¢ per $100 of assessed value ($32,000,000 annually) while bonds are outstanding, with citizen oversight and all money locally controlled?
Yes
~XX% +3.4% ~XXX
No
~XX% -3.4% ~XXX
Measure PE - City of Pomona 45% of contest
PASSED ~XX% Yes +44.2% View full results
Shall the City Charter be amended to create an ethics commission of Pomona residents who shall be responsible for monitoring, advising, educating and responding to issues regarding applicable State and local governmental ethics laws, including campaign finance limits and disclosure, nepotism, lobbying, conflict of interest and open meeting laws, and for the administration and implementation of programs to accomplish the goals and purposes of the commission?
Yes
~XX% +44.2% ~X,XXX
No
~XX% -44.2% ~X,XXX
Measure PG - City of Pomona 45% of contest
PASSED ~XX% Yes +45.4% View full results
Shall the City Charter be amended to make various updates and clarifications to City policy, including addition of a preamble outlining the City’s values, updating rules for filing Mayoral and Council vacancies, increasing notice of public meetings, updating rules for appointed commissions and boards, and making various other technical changes as specified therein?
Yes
~XX% +45.4% ~X,XXX
No
~XX% -45.4% ~X,XXX
Measure PI - City of Pomona 45% of contest
PASSED ~XX% Yes +31.0% View full results
Shall the City Charter be amended to create an independent citizens’ redistricting commission of Pomona residents who shall determine the boundaries of City Council electoral districts every ten years or as needed after the United States Census in accordance with applicable Federal and State law?
Yes
~XX% +31.0% ~X,XXX
No
~XX% -31.0% ~X,XXX
Measure PL - City of Pomona 45% of contest
PASSED ~XX% Yes +48.8% View full results
Shall the City Charter be amended to establish a local primary election for the office of Mayor and City Councilmember to coincide with the Statewide Primary Election, beginning in the year 2024; whereby if a candidate secures majority voter approval in the local primary, he or she will be elected, and if no candidate secures majority voter approval, the top two candidates shall stand for a run-off election to coincide with the Statewide General Election?
Yes
~XX% +48.8% ~X,XXX
No
~XX% -48.8% ~X,XXX
Measure PO - City of Pomona 45% of contest
PASSED ~XX% Yes +40.6% View full results
Shall the City Charter be amended to create a police oversight commission of Pomona residents who shall be authorized to receive community complaints and concerns about police matters; to review, investigate and report on incidents in connection with the Pomona Police Department; and to advise City officials and conduct public outreach on policing/community relations issues?
Yes
~XX% +40.6% ~X,XXX
No
~XX% -40.6% ~X,XXX
Measure PR - City of Pomona 45% of contest
PASSED ~XX% Yes +34.8% View full results
Shall the City Charter be amended to establish a “resign to run” rule whereby any current City Councilmember running for Mayor must resign his or her Council seat if the new Mayoral term will begin before the City Councilmember’s current term ends?
Yes
~XX% +34.8% ~X,XXX
No
~XX% -34.8% ~X,XXX
Measure PS - City of Pomona 45% of contest
FAILED ~XX% Yes +11.0% View full results
Shall the City of Pomona adopt the measure enacting a $0.15 per gross square foot special tax on industrial parcels located within the City, subject to annual CPI adjustment, generating approximately $14,000,000 annually in dedicated revenue that may be used solely for the capital improvement, operation, maintenance, repair and/or restoration of Pomona public streets, roadways, sidewalks, roadway lighting, traffic signals or other right of way improvements that implement a Complete Streets Plan, until ended by voters?
Yes
~XX% +11.0% ~X,XXX
No
~XX% -11.0% ~X,XXX
Measure PT - City of Pomona 45% of contest
PASSED ~XX% Yes +49.6% View full results
Shall the City Charter be amended to enact a three consecutive term limit on elected service in Pomona, whether serving as Mayor or as a Council Member, followed by a four-year “cooling off” period after serving three consecutive terms during which a person may not serve on the City Council?
Yes
~XX% +49.6% ~X,XXX
No
~XX% -49.6% ~X,XXX
Measure R - City of Montclair 96% of contest
PASSED ~XX% Yes +40.0% View full results
Shall the measure funding general Montclair services, including supporting 911/police/fire response; preventing thefts/property crime; recruiting/retaining firefighters, paramedics; retaining local business/ jobs; repairing streets/potholes; addressing homelessness; by taxing cannabis retail, delivery, cultivation, manufacturing/testing businesses at a rate of not more than 7% of gross receipts, raising about $3,500,000 annually, until ended by voters, requiring audits, spending disclosure, funds used locally, cannabis businesses follow laws protecting public health/safety, be adopted?
Yes
~XX% +40.0% ~X,XXX
No
~XX% -40.0% ~X,XXX
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