Black Diamond is located in King County, WA. The population is 4,170.
There are 2 public schools in Black Diamond with an average Homefacts rating of B+. The total crime rate for Black Diamond is low , and there are 0 registered sex offenders residing in the city. Unemployment in Black Diamond is moderate and the median home sales price is $0. Detailed and up-to-date Black Diamond property reports are available for any property address.
Cities near Black Diamond include Maple Valley, Ravensdale and Lake Morton Berrydale.