The value of land and rural real estate for sale in Atchison County, Kansas, recently on Land.com was almost $4 million. This represents 1,000 acres of farms and ranches for sale in Atchison County. Atchison County ranks 56th in the Jayhawk State for the total number of acres of land currently advertised for sale. Of all locations in Atchison County with land for sale, Atchison featured the most land for sale. Manufacturing and related services are the largest economic sectors in Atchison County. Atchison County is Kansas's 102nd biggest county (433 square miles). It's located in the Wooded Hills Kansas region of the state.