| ZIP Code | 94528 |
|---|---|
| City | Diablo |
| State | California (CA) |
| County | Contra Costa County |
| Area Code | 925 |
| Elevation | 527 ft |
| Latitude | 37.841477 |
|---|---|
| Longitude | -121.958154 |
| Timezone | Los Angeles (DST) |
| FIPS | 06013 |
| ZIP Type | PO Box |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 37.8 yrs ↓ 47% since 2019 |
|---|---|
| Avg Household Size | 2.70 |
| Below Poverty | 10.6% ≈ Avg |
| College Grads | 91.7% ▲ 137% above avg |
| Unemployment | 8.2% ▲ 68% above avg |
| Some College | 33 (5%) |
| Associates | 22 (3.3%) |
| Bachelors | 44 (6.7%) |
| Graduate Degree | 561 (85%) |
Education
Housing Tenure
Financials
| Median Home Value | $2,000,000+ ▲ 617% above avg |
|---|---|
| Total Units | 408 |
| Vacant Units | 37 |
| Avg HH Size | 2.70 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 408 |
|---|---|
| Vacant | 37 |
| Owner Occupied | 100.0% |
| Renter Occupied | 0.0% |
| Avg HH Size | 2.70 |
ZIP code 94528 is located in Diablo, California, within Contra Costa County. With a population of 1,000, this is a sparsely populated ZIP code with a relatively young community — the median age is 37.8 years.
Real estate in ZIP code 94528 represents among the most expensive housing markets in the country. The median home value of $2,000,000+ is more than double the national average.
The population of 94528 is primarily White (78.30%). Residents are highly educated — 91.7% hold a bachelor's degree or higher, which is more than double the national average. Poverty affects some residents at 10.6%.
The unemployment rate in 94528 stands at 8.2%, which is significantly above the national average. As in most parts of the country, driving alone is the dominant commute mode at 67%.
Overall, ZIP code 94528 in Diablo, CA is characterized as highly educated, a relatively young community, and predominantly owner-occupied.