Census place · GEOID 0611964 · Alameda County
Castro Valley, CA ZIP codes
4 ZIP/ZCTAs intersecting this Census place (CDP) in Alameda County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Castro Valley (GEOID 0611964). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 149,307 (4 ZIPs).
Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology
Map of Castro Valley, CA
ZIP/ZCTA overlap with Castro Valley
Population overlap
Share of each ZIP/ZCTA’s population located within Castro Valley, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Castro Valley
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 94546 | Castro Valley | Alameda County | 45,848 | $125,780 |
| 94552 | Castro Valley | Alameda County | 14,359 | $205,170 |
| 94577 | San Leandro | Alameda County | 47,533 | $110,989 |
| 94578 | San Leandro | Alameda County | 41,567 | $89,149 |