Diablo Real EstateDiablo is located in California. Diablo, California has a population of 618. Diablo is less family-centric than the surrounding county with 10.71% of the households containing married families with children. The county average for households married with children is 36.26%. The median household income in Diablo, California is $137,623. The median household income for the surrounding county is $88,456 compared to the national median of $57,652. The median age of people living in Diablo is 70.5 years. Diablo WeatherThe average high temperature in July is 84.7 degrees, with an average low temperature in January of 40 degrees. The average rainfall is approximately 19.7 inches per year, with 0.9 inches of snow per year. Diablo MapReal estate near DiabloNearby CitiesNearby Cities Homes for Sale |