Antioch ZIP codes, California
Antioch, CA has 2 ZIP codes (94509 and 94531) and area code 925. The largest is 94509.
- USPS city name
- 2 ZIP codes
- Overlapping the city
- 3 more
- Population
- 116,477
- Area code
- 925
- County
- Contra Costa County
- State
- California
Mail addressed to Antioch uses the ZIP codes above. 3 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.
Antioch in numbers
About 116,477 people live in Antioch, in 37,381 households. The median household income is $97,465 a year, about the same as the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $629,700 (14% below the California median), and median gross rent is $2,278 a month. The median age is 38.4; 23.9% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 42 minutes.
| Population | 116,477 |
|---|---|
| Households | 37,381 |
| Median age | 38.4 |
| Median household income | $97,465 |
| Median home value | $629,700 |
| Median gross rent | $2,278 |
| Bachelor's degree or higher | 23.9% |
| Mean commute | 42.0 min |
| Population density | 3,993 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Antioch city. Survey estimates carry margins of error, wider for small places. Sources and methods.
ZIP codes addressed as Antioch
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
94509 | Antioch , CA | Standard | 70,090 | $86,196 | $584,100 |
94531 | Antioch , CA | Standard | 46,387 | $120,927 | $701,600 |
Other ZIP codes overlapping Antioch
These ZIP codes cover part of Antioch but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
94513 | Brentwood , CA | Standard | 69,755 | $142,223 | $837,800 |
94561 | Oakley , CA | Standard | 46,368 | $134,678 | $659,800 |
94565 | Pittsburg , CA | Standard | 100,488 | $95,556 | $583,800 |
Map of Antioch ZIP codes
The ZIP codes of Antioch, CA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Towns near Antioch
The nearest larger towns are Concord (124,035 people, 11 mi), Fairfield (120,785 people, 23 mi) and Stockton (322,326 people, 27 mi).
| Town | Population | Distance |
|---|---|---|
| Brentwood | 65,208 | 5.1 mi |
| Oakley | 45,183 | 5.7 mi |
| Pittsburg | 76,257 | 6.1 mi |
| Clayton | 10,937 | 7.8 mi |
| Bay Point | 24,231 | 9.8 mi |
| Concord | 124,035 | 11.2 mi |
| Discovery Bay | 14,911 | 11.9 mi |
| Blackhawk | 10,137 | 13.3 mi |
| Camino Tassajara | 5,831 | 13.8 mi |
| Walnut Creek | 70,088 | 14.3 mi |
| Contra Costa Centre | 6,893 | 14.5 mi |
| San Miguel | 3,967 | 14.6 mi |
| Rio Vista | 10,102 | 14.6 mi |
| Alamo | 14,488 | 14.6 mi |
More nearby: every ZIP code in Contra Costa County · California ZIP codes
Cite this page
zipcodes.pro. “Antioch, CA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ca/antioch
Underlying data is public domain or openly licensed — sources, vintages and licences.