There was a total of almost $3 million of land and rural real estate for sale in Watonwan County recently on Land.com. The total of all Watonwan County farms and rural land for sale was around 1,000 acres. Watonwan County ranks 77th in the North Star State for the combined amount of land currently advertised for sale. Among cities in Watonwan County with farms and rural real estate for sale, Butterfield had the most land for sale. Agriculture and farming drives the Watonwan County economy, with 503 farms recorded in the county during the U.S. Census in 2012. Farming activities in Watonwan County generate annual revenues of $9 million, most of which is from crops. Watonwan County is the 78th biggest county (439 square miles) in Minnesota. It's located in the Southern Minnesota region of Minnesota.