what county is sharpsville pa in
Homefacts City Report. Sharpsville is located in Mercer County, PA. The population is 4,400, making Sharpsville the 6th largest city in Mercer County. There are 3 public schools in Sharpsville with an average Homefacts rating of A-. The total crime rate for Sharpsville is low, and there are 4 registered sex offenders residing in the city.