The total value of farms and ranches for sale in Lyon County recently on Land.com was almost $12 million. This represents 1,000 acres of farms and ranches for sale in Lyon County. Lyon County ranks 46th in Iowa for the total acreage of land currently advertised for sale. Of all locations in Lyon County with land and rural real estate for sale, Larchwood had the most land for sale. Lyon County has a large agricultural economy, with 1,139 farms recorded in the county during the latest U.S. Census. Farming activities in Lyon County generate annual revenues of $22 million, the majority of which comes from livestock products. Lyon County is the 26th biggest county (587 square miles) in Iowa. It's located in the Western Iowa region of the state.