The combined value of land and rural real estate for sale in Knox County recently on Land.com was almost $7 million. This represents around 1,000 acres of land for sale in Knox County. Knox County ranks 112th out of 115 counties in the Gateway State for the total number of acres of land currently advertised for sale. Of all farms, ranches, and rural real estate for sale in Knox County, Hurdland featured the most land for sale. Its economy is defined as agricultural, with 695 farms recorded in the county during the most recent 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 the state.