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
Wikidata facts
- Official name
- Castro Valley
- Country
- United States
- Located in
- Alameda County
- Population
- 66441
- Area
- 43.818592
- Elevation
- 50
- Time zone
- UTC−07:00
- Shares border with
- Hayward
- Image
- West Castro Valley.jpg
- Households
- 22071
- Dialing code
- 510
Show 6 more facts
- category of associated people
- Category:People from Castro Valley, California
- Commons category
- Castro Valley, California
- water as percent of area
- 1.6779
- water area
- 0.735213
- per capita income
- 49004
- postal code
- 94552
via Wikidata · CC0
~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