Lyon County is in Western Iowa. Of the 99 counties in the Cyclone State, Lyon County ranks 26th in terms of size (587 square miles). Iowa's Lyon County includes approximately 1,000 acres of residential land for sale based on recent Land Network data. The combined market value of land and rural real estate for sale here was almost $8 million. The average price of residential acreage for sale in Lyon County was $438,452. The county has a rural, farm-based economy. Browse all residential land and rural property for sale in Iowa to find residential land and properties that suit your lifestyle needs, from existing residential homes and estates to land ready for future residential-property development.