Belfast is located in Waldo County, ME. The population is 6,664, making Belfast the largest city in Waldo County.
There are 4 public schools in Belfast with an average Homefacts rating of C-. The total crime rate for Belfast is very low , and there are 13 registered sex offenders residing in the city. Unemployment in Belfast is moderate and the median home sales price is $0. Detailed and up-to-date Belfast property reports are available for any property address.