Seminole County is in Frontier Country Oklahoma. Of the 77 counties in the Cowboy Country, Seminole County ranks 61st in terms of size (640 square miles). The total value of 1,000 acres of residential land and property recently listed for sale in Oklahoma's Seminole County was around $12 million. The average price of residential land for sale in Seminole County was $246,986. 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.