Yankton County is in Southeast South Dakota. Of the 66 counties in the state, Yankton County is 59th in terms of its size (532 square miles). South Dakota's Yankton County has around 2,000 acres of farms for sale based on recent Land Network data. The combined market value of farms and ranches for sale here was roughly $11 million. The average price of farmland for sale in Yankton County was $3 million. Farms for sale in Yankton County support livestock including cattle, horses, sheep and goats. 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 individual needs.