The value of all farms and ranches for sale in Nebraska's Knox County recently was $8 million, representing a combined 810 acres of land for sale in Knox County. Knox County ranks 31st in the Cornhusker State for the total acreage of land currently advertised for sale. Of all locations in Knox County with land and rural real estate for sale, Crofton had the most land for sale. Knox County has a large agricultural economy, with 1,080 farms recorded in the county during the latest U.S. Census. Farming activities in Knox County generate annual revenues of $40 million, the majority of which comes from livestock products. Knox County is the 12th largest county (1,139 square miles) in Nebraska. It's located in the Northeast Nebraska region of Nebraska.