Walnut Creek, CA ZIP codes

6 ZIP/ZCTAs intersecting this Census place in Contra Costa County.

ACS 2023 population

69,790

Median household income

$135,665

Median home value

$1,031,100

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Walnut Creek (GEOID 0683346). Methodology

Combined population of ZIP/ZCTAs intersecting this place: 133,460 (6 ZIPs).

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

Map of Walnut Creek, CA

Census place boundary and intersecting ZIP Code Tabulation Areas for Walnut Creek, CA — Census place boundary for Walnut Creek, CA. Intersecting ZCTAs may extend past the city limit. Not a USPS city limit. Boundaries: U.S. Census Bureau. Methodology · Data sources

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ZIP/ZCTA overlap with Walnut Creek

Population overlap

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

945070.1%
945180.0%
9459560.7%
USPS primary city
9459683.3%
USPS primary city
9459764.7%
USPS primary city
9459893.3%
USPS primary city

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

ZIP codes intersecting Walnut Creek

ZIP	City	County	Population	Income
94507	Alamo	Contra Costa County	14,546	$250,000+
94518	Concord	Contra Costa County	27,743	$111,406
94595	Walnut Creek	Contra Costa County	17,051	$98,108
94596	Walnut Creek	Contra Costa County	23,592	$137,660
94597	Walnut Creek	Contra Costa County	24,235	$142,685
94598	Walnut Creek	Contra Costa County	26,293	$188,170