Castro Valley
Sign in to saveAlso known as Castro Valley, California, Castro Valley, CA
census-designated place in Alameda County, California, United States
Key facts
- Country
- United States
- State
- California
- County
- Alameda
- Named after
- Don Guillermo Castro
- State senate
- Tim Grayson ( D )
- State assembly
- Liz Ortega ( D )
- U s congress
- Vacant
- Total
- 17.07 sq mi (44.21 km )
- Land
- 16.85 sq mi (43.64 km )
- Water
- 0.22 sq mi (0.57 km ) 1.68%
- Elevation
- 161 ft (49 m)
- Density
- 3,943.5/sq mi (1,522.58/km )
- Time zone
- UTC-8 ( PST )
- Summer dst
- UTC-7 ( PDT )
- Zip codes
- 94546, 94552
- Area codes
- 510, 341
- Fips code
- 06-11964
- Gnis feature ids
- 1658237 , 2407987
via Wikipedia infobox
~14 min read
Encyclopedic overview
Castro Valley is a census-designated place (CDP) in Alameda County, California, United States. At the 2020 census, it was the fourth most populous unincorporated area in California. The population was 66,441 at the 2020 census.
Castro Valley is named after Guillermo Castro, a noted 19th-century Mexican Californio ranchero who owned the land where the community is located.
Excerpted from Wikipedia’s “Castro Valley” article, available under the CC BY-SA 4.0 licence.
On the map
2 mapped locations