🇺🇸 Prairie du Sac is a village in Sauk County, Wisconsin, United States. The village is surrounded by the Town of Prairie du Sac, the Wisconsin River, and the village of Sauk City; together, Prairie du Sac and Sauk City are referred to as Sauk Prairie.
Prairie du Sac has a population of over 4,420 people. Prairie du Sac also forms part of the wider Sauk County which has a population of over 65,763 people.