A total of 2,000 acres were listed for sale in Atchison County recently, representing a total value of nearly $11 million in Atchison County ranches, farms, hunting land and other rural land and acreage for sale. Atchison County ranks 111th in Missouri for the total acreage of land currently advertised for sale. Rock Port featured the most land for sale. Atchison County has a large agricultural economy, with 395 farms recorded in the county during the latest U.S. Census. Farming activities in Atchison County generate annual revenues of $11 million, most of which is from crops. Atchison County is Missouri's 68th largest county (550 square miles). It's located in the Northwest Missouri region of the state.