Adair County is in Green Country Oklahoma. Of the 77 counties in the Sooner State, Adair County is 69th in terms of its size (577 square miles). Recent Land Network data shows about 3,000 acres of undeveloped land for sale in Oklahoma's Adair County, which is valued at a combined $18 million. The average price of undeveloped land for sale in Adair County was $265,989. Some suggested uses for undeveloped land currently for sale in Adair County include for hunting/fishing, commercial, and homestead use. Some common wildlife species to be found on undeveloped land for sale in Adair County include whitetail deer, turkey, pig, deer and dove. Current commercial applications for commercial property for sale in Adair County include for hunting/fishing, commercial and homestead use. Browse all Oklahoma undeveloped land for sale on the Land Network to find your next commercial property or land investment.