Juneau County is a county located in central Wisconsin. As of the 2020 census, the population was 26,718. The county seat is Mauston. Juneau County was created in 1857 and is named after Solomon Juneau, one of the founders of Milwaukee. The county is known for its rolling hills and valleys, as well as the Lemonweir and Wisconsin rivers. The county is home to the Castle Rock Lake, which is a popular spot for boating and fishing. Agriculture is the main industry in Juneau County, with dairy farming being particularly prevalent. Additionally, the county is home to several small communities and towns, including New Lisbon, Elroy and Necedah.