Land for sale in Knox County, Nebraska, recently totaled approximately $11 million and nearly 2,000 acres. Knox County ranks 25th out of 93 counties in the Beef State for the combined amount of land currently advertised for sale. Among cities in Knox County with land for sale, Crofton featured the most land for sale. Its economy is defined as agricultural, with 1,080 farms recorded in the county during the most recent 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 the state.