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County · GEOID 06013

Contra Costa County, CA ZIP codes

49 ZIP/ZCTAs intersecting this county.

ACS 2023 population

1,161,458

Median household income

$125,727

Median home value

$830,800

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Contra Costa County (GEOID 06013). Methodology

Combined population of ZIP/ZCTAs intersecting this county: 1,344,531 (49 ZIPs).

Combined population of ZIP/ZCTAs intersecting this county. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census county ACS headline above. Methodology

Contra Costa County, CA ZIP code map

Census ZIP Code Tabulation Areas in Contra Costa County, CA
ZIP Code Tabulation Areas inside Contra Costa County, CA. Boundaries: U.S. Census Bureau. Methodology · Data sources
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ZIP/ZCTA overlap with Contra Costa County

Population overlap

Share of each ZIP/ZCTA’s population located within Contra Costa County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.

ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

ZIP codes intersecting Contra Costa County

ZIPCityCountyPopulationIncome
94505Discovery BayContra Costa County15,316$154,063
94506DanvilleContra Costa County27,261$250,000+
94507AlamoContra Costa County14,546$250,000+
94509AntiochContra Costa County71,013$81,512
94511Bethel IslandContra Costa County2,144$78,393
94513BrentwoodContra Costa County68,160$139,736
94514ByronContra Costa County2,044$97,946
94516CanyonContra Costa County208—
94517ClaytonContra Costa County12,164$164,860
94518ConcordContra Costa County27,743$111,406
94519ConcordContra Costa County19,918$123,366
94520ConcordContra Costa County36,767$79,790
94521ConcordContra Costa County41,118$127,312
94523Pleasant HillContra Costa County34,789$142,622
94525CrockettContra Costa County3,665$101,850
94526DanvilleContra Costa County33,085$216,974
94528DiabloContra Costa County1,000—
94530El CerritoContra Costa County26,229$127,731
94531AntiochContra Costa County44,746$123,428
94547HerculesContra Costa County26,245$130,583
94548KnightsenContra Costa County637$183,100
94549LafayetteContra Costa County28,247$231,195
94551LivermoreAlameda County38,739$130,705
94553MartinezContra Costa County48,600$121,023
94556MoragaContra Costa County15,922$199,300
94561OakleyContra Costa County45,386$130,859
94563OrindaContra Costa County19,409$250,000+
94564PinoleContra Costa County18,835$120,833
94565PittsburgContra Costa County99,933$95,035
94569Port CostaContra Costa County194—
94572RodeoContra Costa County8,712$89,074
94575MoragaContra Costa County1,005—
94582San RamonContra Costa County47,182$211,159
94583San RamonContra Costa County39,418$184,033
94588PleasantonAlameda County34,423$186,569
94595Walnut CreekContra Costa County17,051$98,108
94596Walnut CreekContra Costa County23,592$137,660
94597Walnut CreekContra Costa County24,235$142,685
94598Walnut CreekContra Costa County26,293$188,170
94611OaklandAlameda County39,240$176,517
94706AlbanyAlameda County20,486$136,961
94707BerkeleyAlameda County12,728$196,591
94708BerkeleyAlameda County11,967$229,004
94801RichmondContra Costa County33,564$75,786
94803El SobranteContra Costa County27,588$116,075
94804RichmondContra Costa County44,679$86,430
94805RichmondContra Costa County15,356$114,191
94806San PabloContra Costa County61,749$82,818
95219StocktonSan Joaquin County31,200$105,300

USPS associates these ZIPs with Contra Costa County

These codes list Contra Costa County as a primary or acceptable city. They are not used for the ACS headline.