Rock County, Wisconsin
Rock County is a county in Wisconsin with an estimated population of 164,278 in 2023. 8 cities, towns and Census places in it are indexed here.
Largest places in Rock County
Janesville 66,102Beloit 36,342Edgerton 5,991Evansville 5,823Milton 5,658Clinton 2,227Orfordville 1,481Footville 832
About Rock County
Rock County is one of the counties of Wisconsin. County governments in Wisconsin handle local services such as courts, property records and elections; cities and towns inside the county run their own municipal services. Population figures come from the Census Bureau's Vintage 2023 estimates, which are updated annually.