Riley County is in Tallgrass Prairie Kansas. Of the 105 counties in the Sunflower State, 622-square-mile Riley County ranks 81st by size. Recent listings of undeveloped land for sale in Kansas's Riley County totals nearly 1,000 acres and a combined market value of around $8 million. By overall acreage, undeveloped land is the most common type of land for sale in Riley County. The average price of undeveloped acreage for sale in Riley County was $440,838. Some suggested uses for undeveloped land currently for sale in Riley County include for hunting/fishing, commercial, and agriculture use. Some common wildlife species to be found on undeveloped land for sale in Riley County include whitetail deer, turkey, quail, dove, deer and ducks. Current commercial applications for commercial property for sale in Riley County include for hunting/fishing, commercial and agriculture use. Browse all Kansas undeveloped acreage for sale on the Land Network to find your next commercial property or land investment.