U.S. ZIP Code tools
94546 · ZIP Code · Castro Valley CA
Castro Valley, CA
- City / locality
- Castro Valley
- State
- California
- ZIP Code type
- Type not provided
- Latitude
- 37.7015
- Longitude
- -122.0782
- Coordinate source
- GeoNames Postal
- Source
- GeoNames Postal
- Source year
- Inherited source snapshot
Some U.S. place names and coordinates come from GeoNames as geographic references. They are not confirmation of the USPS preferred mailing city.
ZCTAs are Census statistical areas. Their boundaries do not represent every USPS ZIP Code or an exact postal delivery boundary.
ZIP Code map
ZCTAs are Census statistical areas. Their boundaries do not represent every USPS ZIP Code or an exact postal delivery boundary.
Population & demographics
acs/acs5 · 2024
ACS figures are five-year statistical estimates for a ZCTA. They do not describe individual addresses; consider the margin of error when comparing values.
Estimated population
44,855People · Margin of error ±1,859Median age
41.7Years · Margin of error ±1.4Median household income
128,385USD · Margin of error ±6,031Total households
15,565Households · Margin of error ±642County
Verified ZIP-to-county crosswalk data is not currently available.
Nearby postal codes
| ZIP Code | City / locality | State | Distance calculator |
|---|---|---|---|
| 94541 | Hayward | CA | 2.00 Miles / 3.21 km |
| 94543 | Hayward | CA | 2.26 Miles / 3.64 km |
| 94552 | Castro Valley | CA | 2.33 Miles / 3.76 km |
| 94578 | San Leandro | CA | 2.50 Miles / 4.03 km |
| 94580 | San Lorenzo | CA | 3.22 Miles / 5.18 km |
| 94542 | Hayward | CA | 3.41 Miles / 5.50 km |
| 94579 | San Leandro | CA | 4.05 Miles / 6.52 km |
| 94544 | Hayward | CA | 4.47 Miles / 7.20 km |
| 94577 | San Leandro | CA | 4.59 Miles / 7.39 km |
| 94545 | Hayward | CA | 4.83 Miles / 7.77 km |
Source
Source year: 2020 Census ZCTA cartographic
U.S. Census Bureau ZCTA cartographic boundaries