A total of around 9,000 acres were listed for sale in Oklahoma's Delaware County recently, representing a total value of $257 million in Delaware County land for sale. Delaware County ranks sixth out of 77 counties in the Cowboy Country for the combined amount of land currently advertised for sale. Of all locations in Delaware County with land for sale, Grove had the most land for sale. Based on its natural assets, Delaware County's economy is dependent on tourism and recreation. Delaware County is Oklahoma's 43rd biggest county (792 square miles). It's located in the Green Country Oklahoma region of the state.