Castle Hill
Census-designated place in Contra Costa County, California

Castle Hill is an unincorporated community (census-designated place) in Contra Costa County, California, with 1,271 residents (2020 Census). It sits at 302 ft (92 m) above sea level. The nearest town is Saranap, 1.3 miles NW.
- 1,271residents (2020 Census)
- 302 ftelevation · 92 m
- 0.6 sq miland area · 1.5 km²
- 2,174 / sq mipopulation density
- 94595ZIP code
About Castle Hill
Castle Hill is a census-designated place in Contra Costa County, California, United States. Castle Hill sits at an elevation of 302 feet (92 m). The 2020 United States census reported Castle Hill's population was 1,271.
Text: Wikipedia · CC BY-SA 4.0
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- Median household income
- $250,001
- Median home value
- $2,000,001
- Median age
- 43.9
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Map of Castle Hill
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Open in Google Maps ›Castle Hill, CA population
Castle Hill had 1,271 residents in the 2020 Census.
| 2020 Census | 1,271 |
|---|---|
| Density | 2,174 per sq mi (839 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Castle Hill at a glance
| State | California (CA) |
|---|---|
| County | Contra Costa County |
| Type | Census-designated place |
| Population | 1,271 (2020) |
| Land area | 0.58 sq mi (1.5 km²) |
| Elevation | 302 ft (92 m) |
| Coordinates | 37.8747° N, 122.0586° W |
| ZIP code | 94595 |
| Census code (GEOID) | 0611915 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Castle Hill
- Saranap1.3 mi NW
- San Miguel1.4 mi NE
- Walnut Creek2.2 mi NE
- Acalanes Ridge2.3 mi NW
- Shell Ridge2.5 mi NE
- Alamo2.8 mi SE
- Lafayette3.5 mi W
- Contra Costa Centre3.5 mi N
- North Gate3.9 mi NE
- Moraga4.1 mi SW
- Reliez Valley5.1 mi NW
- Pleasant Hill5.6 mi N
Straight-line distance between town centers.
Frequently asked questions about Castle Hill
What county is Castle Hill in?
Castle Hill is in Contra Costa County, California.
What is the population of Castle Hill, CA?
1,271 people lived in Castle Hill at the 2020 Census.
What is the ZIP code of Castle Hill, CA?
The ZIP code of Castle Hill is 94595.
What is the elevation of Castle Hill?
302 feet (92 m) above sea level.
What towns are near Castle Hill?
Saranap (1.3 mi), San Miguel (1.4 mi), Walnut Creek (2.2 mi), Acalanes Ridge (2.3 mi), Shell Ridge (2.5 mi).
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