The value of ranches, farms, hunting land and other rural land and acreage for sale in Knox County recently on Land.com was approximately $61 million. This represents around 4,000 acres of farms and ranches for sale in Knox County. Knox County ranks 41st in Kentucky for the combined amount of land currently advertised for sale. Of all land and rural real estate for sale in Knox County, Corbin had the most land for sale. Knox County is the 37th biggest county (387 square miles) in Kentucky. It's located in the Eastern Kentucky region of Kentucky.