The value of all farms, ranches, hunting land and other land for sale in Kansas's Lyon County recently was approximately $6 million, representing a combined 1,680 acres of land for sale in Lyon County. Lyon County ranks 54th in the Wheat State for the combined amount of land currently advertised for sale. Of all locations in Lyon County with land 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 Kansas's 43rd biggest county (855 square miles). It's located in the Tallgrass Prairie Kansas region of the state.