The total value of farms and ranches for sale in Adair County, Missouri, recently on Land.com was nearly $39 million. This represents nearly 5,000 acres of land for sale in Adair County. Adair County ranks 55th in the state for the total acreage of land currently advertised for sale. There were two properties listed as sold in Adair County through the Land Network Comparable Sales Program. This represented a total value of $1,050,000. Of all ranches, farms, hunting land and other rural land and acreage for sale in Adair County, Kirksville featured the most land for sale. Government and state-level services are the main economic drivers in Adair County. Adair County is the 62nd biggest county (569 square miles) in Missouri. It's located in the Northeast Missouri region of Missouri.