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Diablo is located in Contra Costa County, California, United States.
Parent jurisdiction: Contra Costa County, California
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Diablo, California, is an unincorporated community located in Contra Costa County. As of the 2020 Census, the population of Diablo is 1,000 residents. This small community is known for its affluent neighborhoods and scenic views, with notable landmarks including the Diablo Country Club, which has been a central part of the community since its establishment in 1914, and Mount Diablo State Park, which offers hiking trails and panoramic views of the Bay Area.
The town is characterized by its spacious estates and a strong sense of community among its residents. Noteworthy neighborhoods include the Diablo Vista and the Diablo Highlands, both of which feature large homes and well-maintained landscapes. Historically, Diablo was established in the late 19th century as a summer retreat for wealthy San Francisco residents, and it has maintained its reputation as an exclusive enclave. The community's proximity to Mount Diablo, which rises to 3,849 feet, also contributes to its appeal, providing recreational opportunities and a natural landmark that is significant to the region.
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