Jefferson County is in Southwest Wisconsin. Of the 72 counties in the state, Jefferson County ranks 61st in terms of size (372,954 acres). A recent survey of Land Network data shows about 1,000 acres of residential land for sale in Wisconsin's Jefferson County, which is valued at a combined $18 million. The average price of residential land for sale in Jefferson County was $492,151. Browse all residential land and rural property for sale in Wisconsin to find residential land and properties that suit your lifestyle needs, from existing residential homes and estates to land ready for future residential-property development.