Harmon County is in Great Plains Country Oklahoma. Of the 77 counties in the Sooner State, Harmon County is 71st in terms of its size (344,743 acres). Recent Land Network data totals 4,000 acres of undeveloped land for sale in Oklahoma's Harmon County, which is valued at a combined $5 million. The average price of undeveloped land for sale in Harmon County was $2 million. The economy here is largely agricultural. Some suggested uses for undeveloped land currently for sale in Harmon County include for hunting/fishing, commercial, and homestead use. Some common wildlife species to be found on undeveloped land for sale in Harmon County include whitetail deer, turkey, pig, deer and dove. Current commercial applications for commercial property for sale in Harmon County include for hunting/fishing, commercial and homestead use. Browse all Oklahoma undeveloped acreage for sale on the Land Network to find your next commercial property or land investment.