- Home
- States
- California
- ZIP 94509
- People & Community
Antioch city, CA
ZIP 94509 — People & Community
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
Middle ClassLarge CommunityLow Snow Area
Demographics, education attainment, health access, and community lifestyle
Population & Demographics in 94509
94509 has a population of 71,013 with a median age of 37.6 yrs (46.8% male).
Health & Community Indicators in 94509
Historical Trends in 94509 (2020–Present)
Since 2020, population grew 2.5%, median income rose 1.5% (inflation-adjusted), home values increased 20.3%.
People & Community key statistics
| Population | |
|---|---|
| Population | 71,013 |
| Median age | 37.6 |
| Poverty rate | 13.7% |
| Demographics | |
|---|---|
| White | 30.7% |
| Hispanic | 42.5% |
| Black | 16.7% |
| Asian | 9.1% |
| Foreign-born | 28.3% |