A total of approximately 3,000 acres were listed for sale in Jackson County recently; the value of all Jackson County land and rural real estate for sale was around $15 million. Jackson County ranks 56th out of 77 counties in Oklahoma for the total acreage of land currently advertised for sale. Altus featured 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 Oklahoma's 40th largest county (804 square miles). It's located in the Great Plains Country Oklahoma region of Oklahoma.