There was a combined $147 million of land for sale in Sauk County recently on Land.com. The total acreage of all Sauk County farms, rural land, hunting land and other land for sale was 4,000 acres. Sauk County ranks fourth out of 72 counties in the Badger State for the total number of acres of land currently advertised for sale. Of all land for sale in Sauk County, Spring Green featured the most land for sale. Based on its natural assets, tourism and recreation are important sectors for the Sauk County economy. Sauk County is the 36th largest county (849 square miles) in Wisconsin. It's located in the Southwest Wisconsin region of the state.