1. Start with Blackhawk’s actual service boundary
Blackhawk is a CDP in Contra Costa County, not a synonym for every household, person or community in the county. The Census estimate of 10,137 describes the Blackhawk for the 2020–2024 ACS 5-year period.
Recommended approach
Use Blackhawk as a defined service location when reviewing your phone records and intake policy. Separate calls from Blackhawk from calls elsewhere in Contra Costa County and from other California locations.
