3 ZIP Code Tabulation Areas in Castro Valley, California. The population-weighted median household income is about $126,818, the median home value about $1,057,146, and 61.3% of occupied homes are owner-occupied.
- 3
- ZIP codes
- 101.1K
- Population
- 54
- Data points
Castro Valley at a glance
- $126,818
- Median household income
- $1,057,146
- Median home value
- 41.4
- Median age
- 61.3%
- Owner-occupied
- 35,993
- Housing units
Income, home value, and age are population-weighted averages of the ZIP-level medians in the file. Counts are exact.
Top 3 Castro Valley ZIP codes by median household income| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 94552 | Castro Valley | 14,506 | 93.2% | $212,605 |
| 2 | 94546 | Castro Valley | 44,855 | 66.3% | $128,385 |
| 3 | 94578 | Ashland | 41,769 | 44.1% | $94,084 |
Top 3 Castro Valley ZIP codes by population| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 94546 | Castro Valley | 44,855 | 66.3% | $128,385 |
| 2 | 94578 | Ashland | 41,769 | 44.1% | $94,084 |
| 3 | 94552 | Castro Valley | 14,506 | 93.2% | $212,605 |
Top 3 Castro Valley ZIP codes by Homeowner GDP| # | ZIP | City | Population | Homeowner % | Median HH $ | Homeowner GDP |
|---|
| 1 | 94546 | Castro Valley | 44,855 | 66.3% | $128,385 | $1.3B |
| 2 | 94552 | Castro Valley | 14,506 | 93.2% | $212,605 | $994.8M |
| 3 | 94578 | Ashland | 41,769 | 44.1% | $94,084 | $577.3M |
Homeowner GDP = owner-occupied units × median household income — a proxy for aggregate homeowner spending power in a ZIP, useful for scoring market opportunity. Not an official economic statistic.
Densest: 94578 (Ashland) at 9,163 people/sq mi. Least dense: 94552 (Castro Valley) at 280 people/sq mi.
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