The value of all farms, hunting land and other rural land and acreage for sale in Dane County recently was nearly $316 million, representing a combined 2,200 acres of land for sale in Dane County. Dane County ranks first out of 72 counties in the state for the total acreage of land currently advertised for sale. Of all locations in Dane County with farms, hunting land and other rural land and acreage for sale, Waunakee featured the most land for sale. From an economic perspective, government and state-level services contribute most to Dane County's overall GDP. Dane County is one of the ten biggest counties in Wisconsin (1,237 square miles). It's located in the Southwest Wisconsin region of Wisconsin.