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ZIP CodeStandard

94531

Antioch, CA

ZIP Code 94531 in Antioch, CA has a population of 45,342 and a median household income of $120,927. Explore Census demographics, housing, and a map.

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
45,342
People
Median age
38.8
Housing
Total households
13,905
Income
Median household income
$120,927
Housing
Total housing units
14,239
Employment
Employment rate
61.2%
Education
Bachelor’s degree or higher
32.3%
Healthcare
Insured population
96%
ZIP details
Local time 23:03:14(PT)
LocationAntioch, CA
CountyContra Costa
Area code
TimezonePacific Time (PT)
Coordinates37.9566481, -121.77779
Land area14 sq miles(36,331,690 m²)

Map of ZIP Code 94531 — Antioch, CA

Map of ZIP Code 94531 — Antioch, CA

Nearby ZIP codes

ZIP codes near 94531.

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS