Antioch, CA ZIP codes
2 ZIP codes lie mostly inside Antioch. For each one: residents, median age, household income, home value, rent and homeownership, so you can see how different parts of the city compare.
ZIP codes mostly in Antioch
| ZIP | Share in city | Residents | Median age | Household income | Home value | Rent | Homeowners |
|---|---|---|---|---|---|---|---|
| 94509 | 86% | 70,090 | 38.1 | $86,196 | $584,100 | $2,062 | 58% |
| 94531 | 89% | 46,387 | 38.8 | $120,927 | $701,600 | $3,150 | 73% |
"Share in city" is the part of each ZIP code's land area inside Antioch city limits. Figures describe the whole ZIP code. Sources: Census Bureau 2020 ZIP Code Tabulation Areas (which closely follow USPS ZIP codes) and ACS 2020-2024 5-year estimates. Small ZIP codes have wide margins of error; "n/a" means the Census Bureau did not publish a value. Click a column to sort.
Frequently asked questions
How many ZIP codes are in Antioch?
2 ZIP codes lie mostly inside Antioch, and 0 more are partly in the city, by the Census Bureau's 2020 ZIP Code Tabulation Areas. PO box and single-building ZIP codes have no residents and are not listed.
Which Antioch ZIP code has the highest income?
94531 has the highest median household income, $120,927, and 94509 the lowest, $86,196 (ACS 2020-2024, ZIP codes with 1,000+ residents).
Where is rent cheapest in Antioch?
By ZIP code, median gross rent is lowest in 94509 ($2,062 a month) and highest in 94531 ($3,150).
Compare the whole city with others on the Antioch profile, or see Antioch population by year.