A total of around 2,000 acres were listed for sale in Obrien County recently, representing a total value of nearly $11 million in Obrien County farms, ranches, and rural real estate for sale. Obrien County ranks 67th out of 99 counties in the state for the total number of acres of land currently advertised for sale. Of all locations in Obrien County with land for sale, Sheldon had the most land for sale. Its economy is defined as agricultural, with 884 farms recorded in the county during the most recent U.S. Census. Farming activities in Obrien County generate annual revenues of $14 million, the majority of which comes from livestock products. Obrien County is the 46th largest county (573 square miles) in Iowa. It's located in the Western Iowa region of the state.