A total of 1,000 acres were listed for sale in Atchison County, Kansas, recently; the value of all Atchison County land for sale was nearly $7 million. Atchison County ranks 43rd in the Sunflower State for the total acreage of land currently advertised for sale. Among cities in Atchison County with ranches, farms, hunting land and other rural land and acreage for sale, Atchison had the most land for sale. Manufacturing and related services are the largest economic sectors in Atchison County. Atchison County is Kansas's 102nd largest county (433 square miles). It's located in the Wooded Hills Kansas region of the state.