Harper County is in Red Carpet Country Oklahoma. Of the 77 counties in the state, Harper County ranks 17th in terms of size (1,041 square miles). The total value of roughly 1,000 acres of recreational land and property recently listed for sale in Harper County, Oklahoma, was around $900,000. The average price of recreational acreage for sale in Harper County was $281,416. The economy here is mainly agricultural. Browse all recreational property for sale in Oklahoma to find the recreational tract that suits your lifestyle needs, from hunting and fishing properties for the outdoor enthusiast to undeveloped acreage ready for future residential-property development.