Roger Mills County is in Great Plains Country Oklahoma. Of the 77 counties in the state, Roger Mills County ranks 13th in terms of size (1,146 square miles). The total value of almost 1,000 acres of residential land and property recently listed for sale in Roger Mills County, Oklahoma, was around $2 million. The average price of residential land for sale in Roger Mills County was $261,428. Browse all residential land and rural property for sale in Oklahoma to find residential land and properties that suit your lifestyle needs, from existing residential homes and estates to land ready for future residential-property development.