Janesville is located in Rock County, WI. The population is 63,551, making Janesville the largest city in Rock County and the 10th largest city in the state of Wisconsin.
There are 26 public schools in Janesville with an average Homefacts rating of B. The total crime rate for Janesville is moderate , and there are 305 registered sex offenders residing in the city. Unemployment in Janesville is moderate and the median home sales price is $0. Detailed and up-to-date Janesville property reports are available for any property address.
Cities near Janesville include Harmony, La Prairie and Rock.