| ZIP Code | 94546 |
|---|---|
| City | Castro Valley |
| State | California (CA) |
| County | Alameda County |
| Area Code | 341/510 |
| Elevation | 593 ft |
| Latitude | 37.745399 |
|---|---|
| Longitude | -122.103127 |
| Timezone | Los Angeles (DST) |
| FIPS | 06001 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 42.1 yrs |
|---|---|
| Avg Household Size | 2.84 |
| Below Poverty | 7.3% ▼ 27% below avg |
| College Grads | 53.4% ▲ 38% above avg |
| Unemployment | 3.7% ▼ 25% below avg |
| No HS Diploma | 982 (3.1%) |
| HS Graduate | 6,510 (20.5%) |
| Some College | 2,623 (8.3%) |
| Associates | 4,669 (14.7%) |
| Bachelors | 3,568 (11.2%) |
| Graduate Degree | 13,372 (42.2%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $125,780 ▲ 65% above avg ↑ 29% since 2019 |
|---|---|
| Median Home Value | $976,300 ▲ 250% above avg ↑ 40% since 2019 |
| Home/Income Ratio | 7.8x (nat avg ~3.5x) |
| Median Rent | $2,506/mo ↑ 41% since 2019 |
| Total Units | 16,398 |
| Vacant Units | 480 |
| Avg HH Size | 2.84 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 16,398 |
|---|---|
| Vacant | 480 |
| Owner Occupied | 65.8% |
| Renter Occupied | 34.2% |
| Avg HH Size | 2.84 |
ZIP code 94546 is located in Castro Valley, California, within Alameda County. With a population of 45,848, this is a highly populated ZIP code with a middle-aged community — the median age is 42.1 years. Economically, 94546 is a upper-middle-income ZIP code: the median household income of $125,780 is significantly above the national average.
Real estate in ZIP code 94546 represents among the most expensive housing markets in the country. The median home value of $976,300 is more than double the national average. Renters can expect to pay around $2,506 per month in median rent. Homeownership is strong here — 65.8% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 40% since 2019.
The population of 94546 is racially diverse, with White as the largest group at 35.8%. Residents are well-educated — 53.4% hold a bachelor's degree or higher, which is above the national average. Poverty affects a relatively small share of residents at 7.3%. Household income has grown by 29% since 2019.
The unemployment rate in 94546 stands at 3.7%, which is below the national average. About 19% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 65%.
Overall, ZIP code 94546 in Castro Valley, CA is characterized as upper-middle-income, well-educated, a middle-aged community, and predominantly owner-occupied. With 45,848 residents, a median household income of $125,780, and a median home value of $976,300, it offers a clear picture of life in this part of California.