| ZIP Code | 94531 |
|---|---|
| City | Antioch |
| State | California (CA) |
| County | Contra Costa County |
| Area Code | 925 |
| Elevation | 276 ft |
| Latitude | 37.956648 |
|---|---|
| Longitude | -121.77779 |
| Timezone | Los Angeles (DST) |
| FIPS | 06013 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 38.9 yrs ↑ 2% since 2019 |
|---|---|
| Avg Household Size | 3.26 |
| Below Poverty | 7.2% ▼ 29% below avg |
| College Grads | 44.0% ▲ 14% above avg |
| Unemployment | 5.7% ▲ 16% above avg |
| No HS Diploma | 802 (2.7%) |
| HS Graduate | 7,681 (25.8%) |
| Some College | 2,786 (9.4%) |
| Associates | 5,383 (18.1%) |
| Bachelors | 3,363 (11.3%) |
| Graduate Degree | 9,743 (32.7%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $123,428 ▲ 62% above avg ↑ 18% since 2019 |
|---|---|
| Median Home Value | $660,200 ▲ 137% above avg ↑ 51% since 2019 |
| Home/Income Ratio | 5.3x (nat avg ~3.5x) |
| Median Rent | $3,063/mo ↑ 35% since 2019 |
| Total Units | 13,888 |
| Vacant Units | 277 |
| Avg HH Size | 3.26 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 13,888 |
|---|---|
| Vacant | 277 |
| Owner Occupied | 72.3% |
| Renter Occupied | 27.7% |
| Avg HH Size | 3.26 |
ZIP code 94531 is located in Antioch, California, within Contra Costa County. With a population of 44,746, this is a highly populated ZIP code with a middle-aged community — the median age is 38.9 years. Economically, 94531 is a upper-middle-income ZIP code: the median household income of $123,428 is significantly above the national average.
Real estate in ZIP code 94531 represents a premium housing market. The median home value of $660,200 is more than double the national average. Renters can expect to pay around $3,063 per month in median rent. Homeownership is strong here — 72.3% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 51% since 2019.
The population of 94531 is racially diverse, with Hispanic as the largest group at 25.8%. Residents are well-educated — 44.0% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 7.2%. Household income has grown by 18% since 2019.
The unemployment rate in 94531 stands at 5.7%, which is above the national average. About 16% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 66%.
Overall, ZIP code 94531 in Antioch, CA is characterized as upper-middle-income, well-educated, a middle-aged community, and predominantly owner-occupied. With 44,746 residents, a median household income of $123,428, and a median home value of $660,200, it offers a clear picture of life in this part of California.