Grethel is located in Floyd County, KY. The population is NR.
There are 1 public schools in Grethel with an average Homefacts rating of A-. The total crime rate for Grethel is low , and there are 1 registered sex offenders residing in the city. Unemployment in Grethel is high and the median home sales price is $0. Detailed and up-to-date Grethel property reports are available for any property address.
Cities near Grethel include Honaker, Betsy Layne and McDowell.