2026 Primary CA — Results Explorer

Contra Costa County · 40 contests · updated 2026-07-08 09:08

County

Explore Contra Costa by jurisdiction →Find a city, council district, school board, or special district and see every contest scoped to it.Statewide results by Region →Governor, the constitutional offices & Board of Equalization across every covered county — preliminary, many counties still missing.

Pick any contest for the precinct map, geographic breakdowns, regressions, and ecological inference.

Statewide · 9

GovernorXavier Becerra 32.1% · 322,557 Lieutenant GovernorFiona Ma 25% · 303,246 Secretary of StateShirley Weber 66.3% · 296,757 ControllerMalia Cohen 65.6% · 293,701 TreasurerEleni Kounalakis 48.9% · 300,782 Attorney GeneralRob Bonta 64.6% · 303,971 Insurance CommissionerBen Allen 27.6% · 293,535 State Superintendent of Public InstructionRichard Barrera 27.2% · 266,978 Board of Equalization District 2Sally Lieber 53.6% · 288,604

Congressional · 3

8th Congressional District37% of district in Contra CostaJohn Garamendi 62.8% · 61,245 9th Congressional District29% of district in Contra CostaJosh Harder 69% · 37,687 10th Congressional District92% of district in Contra CostaMark Desaulnier 60.2% · 203,185

State Assembly · 4

Assembly District 1115% of district in Contra CostaLori Wilson 55.8% · 14,465 Assembly District 1448% of district in Contra CostaBuffy Wicks 79% · 60,836 Assembly District 15Entire district in Contra CostaAnamarie Farias 69.6% · 112,899 Assembly District 1670% of district in Contra CostaRebecca Bauer-Kahan 66.4% · 105,364

Contra Costa County · 14

Supervisor, District 1John Gioia 100% · 42,380 Supervisor, District 4Ken Carlson 100% · 52,070 AssessorVince Robb 67.1% · 269,822 Auditor-ControllerPeter Karumbi 78.3% · 248,995 Clerk-RecorderKristin Connelly 86.7% · 264,174 Treasurer-Tax CollectorDan Mierzwa 100% · 232,981 City of Richmond, MayorClaudia Jiménez 38.6% · 22,337 City of Richmond, City Council, District 2Cesar Zepeda 100% · 2,578 City of Richmond, City Council, District 3Doria Robinson 68.9% · 2,363 City of Richmond, City Council, District 4Soheila Bana 67.7% · 5,062 Measure C - City of El Cerrito - MajorityNo 69.6% · 10,739 Measure D - City of Pinole - MajorityNo 64.1% · 5,481 Measure E - City of Pinole - MajorityYes 54.3% · 5,197 Measure F - City of Pinole - MajorityNo 71.3% · 5,188

Schools · 2

Alameda County Board of Education, Area 7Cheryl Cook-Kallio 66.7% · 69 County Superintendent of SchoolsDana Eaton 71.4% · 252,734

Measures · 8

Measure B - Contra Costa County - MajorityNo 56.9% · 299,680 Measure G - Contra Costa Community College District - 55%Bonds Yes 50.1% · 297,362 Measure H - Lafayette School District - 2/3Yes 75.1% · 13,020 Measure I - Moraga School District - 2/3Yes 70.5% · 6,987 Measure J - Oakley Union Elementary School District - 55%Bonds No 56.5% · 9,421 Measure K - Oakley Union Elementary School District - 55%Bonds No 55.6% · 9,366 Measure L - Walnut Creek School District- 2/3Yes 64.7% · 19,328 Measure a - Contra Costa County - MajorityYes 70.2% · 292,271