The combined value of land and rural real estate for sale in Kansas's Atchison County recently on Land.com was around $5 million. This represents nearly 1,000 acres of land for sale in Atchison County. Atchison County ranks 51st out of 105 counties in Kansas for the total number of acres of land currently advertised for sale. Of all locations in Atchison County with land for sale, Atchison had the most land for sale. From an economic perspective, manufacturing and related services are the main sectors in Atchison County. Atchison County is the 102nd largest county (433 square miles) in Kansas. It's located in the Wooded Hills Kansas region of the state.