Data Last Updated: September 1, 2021

CONTRA COSTA County, CA ZIP Codes

CONTRA COSTA County, CA Covers 52 ZIP Codes

ZIP Code	Classification	City	Population	Timezone	Area Code(s)
ZIP Code 94505	General	Discovery Bay	13,403	Pacific	925
ZIP Code 94506	General	Danville	22,452	Pacific	925
ZIP Code 94507	General	Alamo	14,889	Pacific	925
ZIP Code 94509	General	Antioch	62,439	Pacific	925
ZIP Code 94511	P.O. Box	Bethel Island	2,137	Pacific	925
ZIP Code 94513	General	Brentwood	54,605	Pacific	925
ZIP Code 94514	General	Byron	1,360	Pacific	925
ZIP Code 94516	P.O. Box	Canyon	211	Pacific	925
ZIP Code 94517	General	Clayton	12,385	Pacific	925
ZIP Code 94518	General	Concord	26,778	Pacific	925
ZIP Code 94519	General	Concord	18,453	Pacific	925
ZIP Code 94520	General	Concord	37,208	Pacific	925
ZIP Code 94521	General	Concord	41,249	Pacific	925
ZIP Code 94522	P.O. Box	Concord	0	Pacific	925
ZIP Code 94523	General	Pleasant Hill	33,569	Pacific	925
ZIP Code 94524	P.O. Box	Concord	0	Pacific	925
ZIP Code 94525	General	Crockett	3,127	Pacific	510/341
ZIP Code 94526	General	Danville	31,102	Pacific	925
ZIP Code 94527	P.O. Box	Concord	0	Pacific	925
ZIP Code 94528	P.O. Box	Diablo	964	Pacific	925
ZIP Code 94529	Unique	Concord	0	Pacific	925
ZIP Code 94530	General	El Cerrito	23,877	Pacific	341/510
ZIP Code 94531	General	Antioch	40,290	Pacific	925
ZIP Code 94547	General	Hercules	24,092	Pacific	341/510
ZIP Code 94548	P.O. Box	Knightsen	412	Pacific	925
ZIP Code 94549	General	Lafayette	26,864	Pacific	925
ZIP Code 94553	General	Martinez	47,065	Pacific	925
ZIP Code 94556	General	Moraga	15,229	Pacific	925
ZIP Code 94561	General	Oakley	36,515	Pacific	925
ZIP Code 94563	General	Orinda	17,672	Pacific	925
ZIP Code 94564	General	Pinole	18,287	Pacific	341/510
ZIP Code 94565	General	Pittsburg	84,641	Pacific	925
ZIP Code 94569	P.O. Box	Port Costa	198	Pacific	510/341
ZIP Code 94570	P.O. Box	Moraga	0	Pacific	925
ZIP Code 94572	General	Rodeo	8,684	Pacific	341/510
ZIP Code 94575	General	Moraga	974	Pacific	925
ZIP Code 94582	General	San Ramon	38,537	Pacific	925
ZIP Code 94583	General	San Ramon	34,859	Pacific	925
ZIP Code 94595	General	Walnut Creek	16,425	Pacific	341/510/925
ZIP Code 94596	General	Walnut Creek	20,037	Pacific	341/510/925
ZIP Code 94597	General	Walnut Creek	20,277	Pacific	925
ZIP Code 94598	General	Walnut Creek	25,818	Pacific	341/510/925
ZIP Code 94801	General	Richmond	29,395	Pacific	341/510
ZIP Code 94802	P.O. Box	Richmond	0	Pacific	341/510
ZIP Code 94803	General	El Sobrante	24,904	Pacific	341/510
ZIP Code 94804	General	Richmond	38,559	Pacific	341/510
ZIP Code 94805	General	Richmond	13,648	Pacific	341/510
ZIP Code 94806	General	San Pablo	59,861	Pacific	341/510
ZIP Code 94807	P.O. Box	Richmond	0	Pacific	341/510
ZIP Code 94808	P.O. Box	Richmond	0	Pacific	341/510
ZIP Code 94820	P.O. Box	El Sobrante	0	Pacific	341/510
ZIP Code 94850	General	Richmond	0	Pacific	341/510

Timezone(s):	Pacific

Population:	1,049,025 (More Details)
Male Population:	511,526
Female Population:	537,499
Median Age:	39

ZIP Codes:	52
Cities:	30
Counties:	1
Area Codes:	0

Total Area:	804 square miles (county)
Land Area:	723 square miles (county)
Water Area:	81 square miles (county)

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CONTRA COSTA, CA Demographic Information

* Demographic data is based on 2010 Census.

Total population of CONTRA COSTA County, CA	1,049,025
Male population of CONTRA COSTA County, CA	511,526
Female population of CONTRA COSTA County, CA	537,499
Median age (years)	38.5
White Population	614,512
Black Population	97,161
Indian Population	6,122
Asian Population	151,469
Hawaiian Population	4,845
Hispanic Population	255,560
Median age (Male)	37.1
Median age (Female)	39.7
Total households	375,364
Family households (families)	265,280
Average household size for CONTRA COSTA County, CA	2.77
Average family size of CONTRA COSTA County, CA	3.26
Total housing units for CONTRA COSTA County, CA	400,263

CONTRA COSTA County, CA ZIP Codes

CONTRA COSTA County, CA Covers 52 ZIP Codes

CONTRA COSTA, CA Demographic Information

CONTRA COSTA County, CA Covers 30 Cities