The combined value of land for sale in Missouri's Knox County recently on Land.com was nearly $7 million. This represents around 1,000 acres of farms, ranches, and rural real estate for sale in Knox County. Knox County ranks 112th in the Show Me State for the total number of acres of land currently advertised for sale. Of all locations in Knox County with farms and ranches for sale, Edina had 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 the 83rd biggest county (506 square miles) in Missouri. It's located in the Northeast Missouri region of the state.