There was a total of almost $38 million of farmsand rural real estate for sale in Tennessee's Jackson County recently on Land.com. The total size of all Jackson County land and rural real estate for sale was around 3,000 acres. Jackson County ranks 64th in the Volunteer State for the total number of acres of land currently advertised for sale. Of all farms, rural land, hunting land and other land for sale in Jackson County, Gainesboro featured the most land for sale. Jackson County is Tennessee's 72nd biggest county (319 square miles). It's located in the East Central Tennessee region of Tennessee.