The value of farms, ranches, hunting land and other land for sale in Jackson County recently on Land.com was $12 million. This represents 2,000 acres of farms, ranches, hunting land and other land for sale in Jackson County. Jackson County ranks 59th in the Sooner State for the combined amount of land currently advertised for sale. Of all locations in Jackson County with farms, ranches, hunting land and other land for sale, Altus had the most land for sale. From an economic perspective, government and state-level services contribute most to Jackson County's overall GDP. Jackson County is the 40th largest county (804 square miles) in Oklahoma. It's located in the Great Plains Country Oklahoma region of Oklahoma.