A combined around 1,000 acres were listed for sale in Minnesota's Watonwan County recently; the combined value of all Watonwan County land and rural real estate for sale was almost $4 million. Watonwan County ranks 78th in the Land of 10,000 Lakes for the total acreage of land currently advertised for sale. Saint James 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 largest county (439 square miles) in Minnesota. It's located in the Southern Minnesota region of Minnesota.