Of 105 counties in the Sunflower State, Atchison County is 102nd in terms of its size (433 square miles). Atchison County is in Wooded Hills Kansas. A recent survey of Land Network data includes nearly 1,000 acres of undeveloped land for sale in Kansas's Atchison County, which is valued at a combined $299,000. Browse all Atchison County undeveloped land for sale on the Land Network to find your next commercial property or land investment. The most common type of land for sale by combined acreage in Atchison County is residential property.