Union, Rock County, Wisconsin
The Town of Union is located in Rock County, Wisconsin, United States. The population was 1,860 at the 2000 census. The town surrounds the city of Evansville.
Looking east at the unincorporated community of Union, located within the Town of Union
Rock County is a county in the U.S. state of Wisconsin. As of the 2020 census, the population was 163,687. Its county seat is Janesville. Rock County comprises the Janesville-Beloit, WI Metropolitan Statistical Area and is included in the Madison-Janesville-Beloit, WI Combined Statistical Area.
Rock County Courthouse