A combined around 2,000 acres were listed for sale in Kansas's Lyon County recently; the value of all Lyon County farms, ranches, and rural real estate for sale was almost $10 million. Lyon County ranks 49th in the state for the combined amount of land currently advertised for sale. Emporia featured the most land for sale. From an economic perspective, government and state-level services contribute most to Lyon County's overall GDP. Lyon County is the 43rd biggest county (855 square miles) in Kansas. It's located in the Tallgrass Prairie Kansas region of the state.