A total of around 2,000 acres were listed for sale in Lyon County recently; the combined value of all Lyon County farms, ranches, hunting land and other land for sale was nearly $7 million. Lyon County ranks 39th out of 105 counties in the state for the combined amount of land currently advertised for sale. Emporia featured the most land for sale. Government and state-level services are the main economic drivers in Lyon County. Lyon County is the 43rd biggest county (855 square miles) in Kansas. It's located in the Tallgrass Prairie Kansas region of Kansas.