Diablo, California

Diablo
Location in Contra Costa County and the state of California
Diablo
Location in the United States
Coordinates: 37°50′06″N 121°57′29″W / 37.83500°N 121.95806°W / 37.83500; -121.95806
Country United States
State California
CountyContra Costa
Government
 • State SenateTim Grayson (D)
 • State AssemblyRebecca Bauer-Kahan (D)
 • U. S. CongressMark DeSaulnier (D)
Area
 • Total
1.36 sq mi (3.53 km2)
 • Land1.36 sq mi (3.53 km2)
 • Water0 sq mi (0.00 km2)  0%
Elevation
528 ft (161 m)
Population
 (2020)
 • Total
1,255
 • Density920.3/sq mi (355.33/km2)
Time zoneUTC-8 (PST)
 • Summer (DST)UTC-7 (PDT)
ZIP code
94528
Area code925
FIPS code06-19150
GNIS feature IDs1655967, 2408668

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.