The total value of ranches, farms, hunting land and other rural land and acreage for sale in Yankton County recently on Land.com was around $24 million. This represents almost 1,000 acres of ranches, farms, hunting land and other rural land and acreage for sale in Yankton County. Yankton County ranks 13th in the Coyote State for the total acreage of land currently advertised for sale. Among cities in Yankton County with land and rural real estate for sale, Yankton had the most land for sale. Manufacturing and related services are the largest economic sectors in Yankton County. Yankton County is the 59th biggest county (532 square miles) in South Dakota. It's located in the Southeast South Dakota region of South Dakota.