Diablo
Market InsightsDiablo is a census-designated place in Contra Costa County, California, United States. The population was 1,158 at the 2010 census. It is located 2.5 miles east-northeast of Danville. "Diablo" is Spanish for devil.
Diablo is a census-designated place in Contra Costa County, California, United States. The population was 1,158 at the 2010 census. It is located 2.5 miles east-northeast of Danville. "Diablo" is Spanish for devil.