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Antioch city, CA
ZIP 94531 — People & Community
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
Upper Middle ClassLow Snow AreaRemote Work Hub
Demographics, education attainment, health access, and community lifestyle
Population & Demographics in 94531
94531 has a population of 44,746 with a median age of 38.9 yrs (47.1% male).
Health & Community Indicators in 94531
Historical Trends in 94531 (2020–Present)
Since 2020, population grew 6.1%, median income rose 0.5% (inflation-adjusted), home values increased 19.1%.
People & Community key statistics
| Population | |
|---|---|
| Population | 44,746 |
| Median age | 38.9 |
| Poverty rate | 7.2% |
| Demographics | |
|---|---|
| White | 27.5% |
| Hispanic | 25.8% |
| Black | 24.4% |
| Asian | 20.7% |
| Foreign-born | 15.1% |