Johnstown is located in Rock County, WI. The population is NR.
There are 0 public schools in Johnstown with an average Homefacts rating of NA. The total crime rate for Johnstown is moderate , and there are 0 registered sex offenders residing in the city. Unemployment in Johnstown is moderate and the median home sales price is $0. Detailed and up-to-date Johnstown property reports are available for any property address.
Cities near Johnstown include Lake Lorraine, Lima and Harmony.