Rome2Rio uses cookies to help personalize content and show you personalised ads. By proceeding, you accept the use of cookies in accordance with our privacy policy.You may at any time.
Janesville is the most populous city and the county seat of Rock County, Wisconsin, United States. It is a principal municipality of the Janesville, Wisconsin, Metropolitan Statistical Area and is included in the Madison–Janesville–Beloit, WI Combined Statistical Area. As of the 2020 census, the city had a population of 65,615, making it the tenth-most populous city in Wisconsin.
