Castro Valley is a census-designated place (CDP) in Alameda County, California, United States. As of the 2000 census, it is the fifth most populous unincorporated area in California, and the twenty-third in the United States. The population was 61,388 at the 2010 census.
Before the arrival of European settlers the area was settled by the Chocheño (also spelled Chochenyo or Chocenyo) subdivision of the Ohlone Native Americans.
With the arrival of ...
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Area:
- 38.33182 km² (14.8 mi² )
Time zone(s):
Population:
- 61,388 (Apr 1, 2010)
Contained by:
View Geographical areas that include Castro Valley »Also known as:
- Castro Valley, California,
- Alameda County / Castro Valley CDP