Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
66,441
People
Median age
42.9
Housing
Total households
22,021
Income
Median household income
$142,779
Housing
Total housing units
22,957
Employment
Employment rate
61.6%
Education
Bachelor’s degree or higher
44.5%
Healthcare
Insured population
96.7%
City details
Local time 23:46:29(PT)| Location | Castro Valley, CA |
|---|---|
| Population (ZIP areas) | 61,408(sum of local ZIP code populations) |
| Total ZIP codes | 2total |
| ZIP codes (by type) | 2 Standard |
| County | Alameda |
| Area code | |
| Timezone | Pacific Time (PT) |
| Coordinates | 37.71510911653232, -122.03008609416894 |
| Land area | 67.8 sq miles(175,491,391 m²) |
Map of Castro Valley, California with ZIP codes
ZIP Codes in Castro Valley
Explore the ZIP codes that make up Castro Valley. Analyze key demographics and population stats for the region using the comprehensive table below.
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP type legend
- Standard: residential and business delivery areas
- PO BOX: primarily post office boxes; population may be unavailable
- Unique: high-volume organizations (universities, agencies, etc.)
Nearby cities
Other cities near Castro Valley, CA.
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS