Antioch, CA ZIP codes

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

ACS 2023 population

115,759

Median household income

$94,256

Median home value

$607,400

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Antioch (GEOID 0602252). Methodology

Combined population of ZIP/ZCTAs intersecting this place: 329,238 (5 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 Antioch, CA

Census place boundary and intersecting ZIP Code Tabulation Areas for Antioch, CA — Census place boundary for Antioch, 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 Antioch

Population overlap

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

94509100.0%
USPS primary city
945130.1%
94531100.0%
USPS primary city
945610.0%
945650.0%

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 Antioch

ZIP	City	County	Population	Income
94509	Antioch	Contra Costa County	71,013	$81,512
94513	Brentwood	Contra Costa County	68,160	$139,736
94531	Antioch	Contra Costa County	44,746	$123,428
94561	Oakley	Contra Costa County	45,386	$130,859
94565	Pittsburg	Contra Costa County	99,933	$95,035