94509 vs 94531 ZIP Codes
Antioch, CA · Antioch, CA
| Metric | 94509 | 94531 |
|---|---|---|
| City | Antioch | Antioch |
| County | Contra Costa | Contra Costa |
| State | California | California |
| Time zone | Pacific Time | Pacific Time |
| Population | 62,439 | 40,290 |
Demographic figures come from U.S. Census Bureau / ACS data included in the source ZIP dataset; many ZIP codes have no demographic figures in that dataset.