Harper County is in Red Carpet Country Oklahoma. Of the 77 counties in the Sooner State, 1,041-square-mile Harper County ranks 17th by size. Oklahoma's Harper County includes about 1,000 acres of undeveloped land for sale based on recent Land Network data. The combined market value of land for sale here was about $400,000. The average price of undeveloped land for sale in Harper County was $131,333. The economy here is largely agricultural. Some suggested uses for undeveloped land currently for sale in Harper County include for hunting/fishing, commercial, and homestead use. Some common wildlife species to be found on undeveloped land for sale in Harper County include whitetail deer, turkey, pig, deer and dove. Current commercial applications for commercial property for sale in Harper 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.