Located in Tallgrass Prairie Kansas, 1,184-square-mile Sumner County is one of the ten biggest counties in the state. The total value of nearly 1,000 acres of farms recently listed for sale in Sumner County, Kansas, was $3 million. The average price of farmland for sale in Sumner County was $579,584. Farms for sale in Sumner County feature livestock including cattle, horses, goats, sheep and pig. Browse all Kansas 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 commercial or individual needs.