Obrien County is in Western Iowa. Of the 99 counties in the Cyclone State, Obrien County is 46th in terms of its size (573 square miles). There is nearly 1,000 acres of undeveloped land for sale in Obrien County, Iowa, based on recent Land Network data. The combined market value of land and rural real estate for sale here is $100,000. The average price of undeveloped acreage for sale in Obrien County was $4,001. The county has a rural, farm-based economy. Some suggested uses for undeveloped land currently for sale in Obrien County include for hunting/fishing, commercial, and agriculture use. Some common wildlife species to be found on undeveloped land for sale in Obrien County include whitetail deer, turkey, pheasant, quail and deer. Current commercial applications for commercial property for sale in Obrien County include for hunting/fishing, commercial and agriculture use. Browse all Iowa undeveloped acreage for sale on the Land Network to find your next commercial property or land investment.