Diablo
Census-designated place in Contra Costa County, California

Diablo is an unincorporated community (census-designated place) in Contra Costa County, California, with 1,255 residents (2020 Census). It sits at 528 ft (161 m) above sea level. The nearest town is Danville, 2.1 miles S.
- 1,255residents (2020 Census)
- 528 ftelevation · 161 m
- 1.4 sq miland area · 3.5 km²
- 920 / sq mipopulation density
- 94528ZIP code
About Diablo
Diablo (Spanish for "Devil") is a census-designated place (CDP) in Contra Costa County, California, United States. The population was 1,255 at the 2020 census. It is located 2.5 miles (4.0 km) east-northeast of Danville.
Text: Wikipedia · CC BY-SA 4.0
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- Median household income
- $248,150
- Median home value
- $2,000,001
- Median age
- 43.3
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Open in Google Maps ›Diablo, CA population
Diablo had 1,255 residents in the 2020 Census.
| 2020 Census | 1,255 |
|---|---|
| Density | 920 per sq mi (355 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Diablo at a glance
| State | California (CA) |
|---|---|
| County | Contra Costa County |
| Type | Census-designated place |
| Population | 1,255 (2020) |
| Land area | 1.36 sq mi (3.5 km²) |
| Elevation | 528 ft (161 m) |
| Coordinates | 37.8408° N, 121.9565° W |
| ZIP code | 94528 |
| Census code (GEOID) | 0619150 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Diablo
- Danville2.1 mi S
- Blackhawk3.2 mi SE
- Alamo3.3 mi W
- North Gate5.0 mi NW
- Camino Tassajara5.2 mi SE
- San Ramon5.3 mi S
- San Miguel5.4 mi NW
- Castle Hill6.0 mi W
- Shell Ridge6.2 mi NW
- Walnut Creek6.3 mi NW
- Norris Canyon6.8 mi S
- Clayton7.0 mi N
Straight-line distance between town centers.
Frequently asked questions about Diablo
What county is Diablo in?
Diablo is in Contra Costa County, California.
What is the population of Diablo, CA?
1,255 people lived in Diablo at the 2020 Census.
What is the ZIP code of Diablo, CA?
The ZIP code of Diablo is 94528.
What is the elevation of Diablo?
528 feet (161 m) above sea level.
What towns are near Diablo?
Danville (2.1 mi), Blackhawk (3.2 mi), Alamo (3.3 mi), North Gate (5.0 mi), Camino Tassajara (5.2 mi).
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