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ZIP Code Database - Facts & Stats


CONTRA COSTA County, CA Covers 52 ZIP Codes

ZIP CodeClassificationCityPopulationTimezoneArea Code(s)
ZIP Code 94505GeneralDiscovery Bay13,403Pacific925
ZIP Code 94506GeneralDanville22,452Pacific925
ZIP Code 94507GeneralAlamo14,889Pacific925
ZIP Code 94509GeneralAntioch62,439Pacific925
ZIP Code 94511P.O. BoxBethel Island2,137Pacific925
ZIP Code 94513GeneralBrentwood54,605Pacific925
ZIP Code 94514GeneralByron1,360Pacific925
ZIP Code 94516P.O. BoxCanyon211Pacific925
ZIP Code 94517GeneralClayton12,385Pacific925
ZIP Code 94518GeneralConcord26,778Pacific925
ZIP Code 94519GeneralConcord18,453Pacific925
ZIP Code 94520GeneralConcord37,208Pacific925
ZIP Code 94521GeneralConcord41,249Pacific925
ZIP Code 94522P.O. BoxConcord0Pacific925
ZIP Code 94523GeneralPleasant Hill33,569Pacific925
ZIP Code 94524P.O. BoxConcord0Pacific925
ZIP Code 94525GeneralCrockett3,127Pacific510/341
ZIP Code 94526GeneralDanville31,102Pacific925
ZIP Code 94527P.O. BoxConcord0Pacific925
ZIP Code 94528P.O. BoxDiablo964Pacific925
ZIP Code 94529UniqueConcord0Pacific925
ZIP Code 94530GeneralEl Cerrito23,877Pacific341/510
ZIP Code 94531GeneralAntioch40,290Pacific925
ZIP Code 94547GeneralHercules24,092Pacific341/510
ZIP Code 94548P.O. BoxKnightsen412Pacific925
ZIP Code 94549GeneralLafayette26,864Pacific925
ZIP Code 94553GeneralMartinez47,065Pacific925
ZIP Code 94556GeneralMoraga15,229Pacific925
ZIP Code 94561GeneralOakley36,515Pacific925
ZIP Code 94563GeneralOrinda17,672Pacific925
ZIP Code 94564GeneralPinole18,287Pacific341/510
ZIP Code 94565GeneralPittsburg84,641Pacific925
ZIP Code 94569P.O. BoxPort Costa198Pacific510/341
ZIP Code 94570P.O. BoxMoraga0Pacific925
ZIP Code 94572GeneralRodeo8,684Pacific341/510
ZIP Code 94575GeneralMoraga974Pacific925
ZIP Code 94582GeneralSan Ramon38,537Pacific925
ZIP Code 94583GeneralSan Ramon34,859Pacific925
ZIP Code 94595GeneralWalnut Creek16,425Pacific341/510/925
ZIP Code 94596GeneralWalnut Creek20,037Pacific341/510/925
ZIP Code 94597GeneralWalnut Creek20,277Pacific925
ZIP Code 94598GeneralWalnut Creek25,818Pacific341/510/925
ZIP Code 94801GeneralRichmond29,395Pacific341/510
ZIP Code 94802P.O. BoxRichmond0Pacific341/510
ZIP Code 94803GeneralEl Sobrante24,904Pacific341/510
ZIP Code 94804GeneralRichmond38,559Pacific341/510
ZIP Code 94805GeneralRichmond13,648Pacific341/510
ZIP Code 94806GeneralSan Pablo59,861Pacific341/510
ZIP Code 94807P.O. BoxRichmond0Pacific341/510
ZIP Code 94808P.O. BoxRichmond0Pacific341/510
ZIP Code 94820P.O. BoxEl Sobrante0Pacific341/510
ZIP Code 94850GeneralRichmond0Pacific341/510

Population:1,049,025 (More Details)
Male Population:511,526
Female Population:537,499
Median Age:39
ZIP Codes:52
Area Codes:0
Total Area:804 square miles (county)
Land Area:723 square miles (county)
Water Area:81 square miles (county)

CONTRA COSTA, CA Demographic Information

* Demographic data is based on 2010 Census.

More Census Information

Total population of CONTRA COSTA County, CA1,049,025
Male population of CONTRA COSTA County, CA511,526
Female population of CONTRA COSTA County, CA537,499
Median age (years)38.5
White Population614,512
Black Population97,161
Indian Population6,122
Asian Population151,469
Hawaiian Population4,845
Hispanic Population255,560
Median age (Male)37.1
Median age (Female)39.7
Total households375,364
Family households (families)265,280
Average household size for CONTRA COSTA County, CA2.77
Average family size of CONTRA COSTA County, CA3.26
Total housing units for CONTRA COSTA County, CA400,263

CONTRA COSTA County, CA Covers 30 Cities