Watonwan County is in Southern Minnesota. Of the 87 counties in the state, 281,427-acre Watonwan County ranks 78th by size. Recent listings of residential land for sale in Minnesota's Watonwan County totals around 1,000 acres and a combined market value of roughly $1 million. The most common type of land for sale by combined acreage in Watonwan County is house. The average price of residential land for sale in Watonwan County was $249,560. The economy here is largely agricultural. Browse all residential land and rural property for sale in Minnesota 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.