Yankton County is in Southeast South Dakota. Of the 66 counties in the Mount Rushmore State, Yankton County ranks 59th in terms of size (340,647 acres). Recent listings of farms for sale in Yankton County, South Dakota, totals approximately 2,000 acres and a combined market value of roughly $7 million. By overall acreage, undeveloped land is the most common type of land for sale in Yankton County. The average price of farms for sale in Yankton County was $1 million. Farms for sale in Yankton County hold livestock including horses, cattle, goats, pig and sheep. Browse all South Dakota farms for sale on the Land Network to find the farm, cattle operation, hobby farm or other farm property that's right for your future business or lifestyle needs.