Castro Valley
| Use attributes for filter ! | |
| Elevation | 49 |
|---|---|
| ZIP codes | 94546, 94552 |
| Population | 61,388 (Apr 1, 2010) |
| Date of Reg. | |
| Date of Upd. | |
| ID | 893971 |
About Castro Valley
Castro Valley is a census-designated place in Alameda County, California, United States. As of the 2010 census, it is the fifth most populous unincorporated area in California and the twenty-third most populous in the United States. The population was 61,388 at the 2010 census.
