Castro Valley
Census-designated place in Alameda County, California
Castro Valley is an unincorporated community (census-designated place) in Alameda County, California, with 66,441 residents (2020 Census). It sits at 164 ft (50 m) above sea level. The nearest town is Fairview, 2.3 miles SE.
- 66,441residents (2020 Census)
- 164 ftelevation · 50 m
- 16.8 sq miland area · 43.6 km²
- 3,943 / sq mipopulation density
- 94541main ZIP code (2 in total)
About Castro Valley
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.
Text: Wikipedia · CC BY-SA 4.0
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- Median household income
- $142,779
- Median home value
- $1,104,600
- Median rent
- $2,554/mo
- Median age
- 42.9
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Map of Castro Valley
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Open in Google Maps ›Castro Valley, CA population
Castro Valley had 66,441 residents in the 2020 Census.
| 2020 Census | 66,441 |
|---|---|
| Density | 3,943 per sq mi (1,523 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Castro Valley at a glance
| State | California (CA) |
|---|---|
| County | Alameda County |
| Type | Census-designated place |
| Population | 66,441 (2020) |
| Land area | 16.85 sq mi (43.6 km²) |
| Water area | 0.22 sq mi (0.57 km²) |
| Elevation | 164 ft (50 m) |
| Coordinates | 37.7083° N, 122.0628° W |
| ZIP codes | 94541, 94552 |
| Census code (GEOID) | 0611964 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Castro Valley
- Fairview2.3 mi SE
- Cherryland3.0 mi SW
- Ashland3.1 mi W
- San Lorenzo4.6 mi SW
- Norris Canyon4.8 mi NE
- San Leandro5.5 mi W
- Hayward6.1 mi S
- Union City7.7 mi S
- San Ramon8.3 mi NE
- Danville8.8 mi NE
- Dublin9.1 mi E
- Oakland9.9 mi NW
Straight-line distance between town centers.
Frequently asked questions about Castro Valley
What county is Castro Valley in?
Castro Valley is in Alameda County, California.
What is the population of Castro Valley, CA?
66,441 people lived in Castro Valley at the 2020 Census.
What is the ZIP code of Castro Valley, CA?
The main ZIP code is 94541. Other ZIP codes: 94552.
What is the elevation of Castro Valley?
164 feet (50 m) above sea level.
What towns are near Castro Valley?
Fairview (2.3 mi), Cherryland (3.0 mi), Ashland (3.1 mi), San Lorenzo (4.6 mi), Norris Canyon (4.8 mi).
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