Coal County is in Lake & Trail Country Oklahoma. Of the 77 counties in the state, Coal County is 73rd in terms of its size (333,661 acres). A recent survey of Land Network data records about 1,000 acres of residential land for sale in Oklahoma's Coal County, which is valued at a combined $6 million. The average price of residential acreage for sale in Coal County was $784,475. The economy here is largely agricultural. 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.