Watonwan County is in Southern Minnesota. Of the 87 counties in the Land of 10,000 Lakes, 439-square-mile Watonwan County ranks 78th by size. Recent listings of residential land for sale in Watonwan County, Minnesota, totals approximately 1,000 acres and a combined market value of roughly $1 million. By overall acreage, residential property is the most common type of land for sale in Watonwan County. The average price of residential land for sale in Watonwan County was $265,880. The economy here is principally 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.