Antioch, CA

Census ZIP code profile for Antioch, CA — 2 ZIPs, total population 102,729. Median income, home value, education, commute, and demographics from the U.S. Census Bureau American Community Survey 2023 5-Year Estimates.

2026 data Public-data reference. official source

Source:

Antioch, CA is covered by 2 USPS ZIP codes serving a combined population of 102,729 according to Census ACS 5-Year Estimates. U.S. cities rarely map cleanly to a single ZIP — Antioch splits its residents across 2 delivery areas, each with its own demographic and housing profile. The table below lists every ZIP by population, so you can see which neighborhoods carry the weight of the city total and which are smaller pockets of the same municipal boundary.

Aggregated across every ZIP in Antioch, the median household income averages $103,562 and per-capita income averages $41,893. Poverty rate runs at 10.9% and unemployment at 7.3%. On housing, the average median home value is $642,850 with median rent of $2,606 per month, and 65.6% of occupied units are owner-occupied. These are arithmetic averages across the 2 ZIPs — not population-weighted — so small ZIPs influence the headline numbers the same as large ones.

Use this city view to compare ZIPs inside Antioch against each other rather than hunting for a single "city average." The Affordability Dashboard linked below combines these Census inputs with HUD Fair Market Rents, FBI crime data, and Department of Labor childcare costs into a graded scorecard for Antioch as a whole, while individual ZIP pages show fine-grained household income, housing profile, education attainment, commute time, and nearby-ZIP benchmarks. Every field on this page is sourced directly from U.S. Census Bureau ACS 2023 5-Year Estimates — no estimates, no proprietary scoring, no editorial adjustment.

Affordability Dashboard
Income, housing, safety, childcare — all in one view
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2

ZIP Codes

102,729

Population

$103,562

Median Income

$642,850

Median Home Value

38.5

Median Age

How much do residents of Antioch earn?

Median Household Income
$103,562
Per Capita Income
$41,893
Unemployment Rate
7.3%
Poverty Rate
10.9%

What does housing look like in Antioch?

Median Home Value
$642,850
Median Rent
$2,606/mo
Owner Occupied
65.6%
Housing Units
38,629

Who lives in Antioch?

Bachelor's Degree+
25.3%
High School+
53.0%
Avg Commute
42 min
Foreign Born
24.6%

ZIP Codes in Antioch, CA

Side-by-side: Compare 94509 vs 94531 →

ZIP Code Population Density Timezone
94509 62,439 1,472 America/Los_Angeles
94531 40,290 1,421 America/Los_Angeles

Frequently Asked Questions

How many ZIP codes are in Antioch, CA?
Antioch, CA has 2 ZIP codes with a combined population of 102,729, based on Census ACS 2023 data.
What is the median household income in Antioch?
The average median household income across Antioch, CA ZIP codes is $103,562. The poverty rate is 10.9%.
What is the cost of living in Antioch?
The average median home value in Antioch, CA is $642,850. Median rent is $2,606/month. 65.6% of homes are owner-occupied.

Source: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023). Verify with Census Bureau →

Source: HUD USPS Crosswalk (ZIP-to-county mapping) and Source: simplemaps.com (ZIP coordinates & timezones). Verify with HUD →

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the U.S. Census Bureau American Community Survey (ACS). Consult a qualified professional before making decisions based on this data.