Juneau County is a county located in the U.S. state of Wisconsin. As of the 2020 census, the population was 26,718. Its county seat is Mauston.

Wisconsin's 3rd congressional district covers most of the Driftless Area in southwestern and western Wisconsin. The district includes the cities of Eau Claire, La Crosse, and Stevens Point, as well as many Wisconsin-based exurbs of the Minneapolis-St. Paul metropolitan area. It borders the states of Minnesota, Iowa, and Illinois. Republican Derrick Van Orden has represented the district since 2023.