The overall value of farms, rural land, hunting land and other land for sale in Big Stone County recently on Land.com was around $10 million. This represents almost 1,000 acres of land and rural real estate for sale in Big Stone County. Big Stone County ranks 69th in the state for the total acreage of land currently advertised for sale. Of all locations in Big Stone County with land for sale, Ortonville had the most land for sale. Big Stone County has a large agricultural economy, with 400 farms recorded in the county during the latest U.S. Census. Farming activities in Big Stone County generate annual revenues of $8 million, most of which is from crops. Big Stone County is the 67th largest county (528 square miles) in Minnesota. It's located in the Southern Minnesota region of the state.