The value of all farms, ranches, hunting land and other land for sale in Missouri's Knox County recently was approximately $7 million, representing a combined 795 acres of land for sale in Knox County. Knox County ranks 112th in Missouri for the total number of acres of land currently advertised for sale. Edina featured the most land for sale. Knox County has a large agricultural economy, with 695 farms recorded in the county during the latest U.S. Census. Farming activities in Knox County generate annual revenues of $21 million, the majority of which comes from livestock products. Knox County is Missouri's 83rd biggest county (506 square miles). It's located in the Northeast Missouri region of Missouri.