The value of farms and rural land for sale in Sumner County, Tennessee, recently on Land.com was nearly $87 million. This represents approximately 2,000 acres of land for sale in Sumner County. Sumner County ranks 52nd in the Volunteer State for the total number of acres of land currently advertised for sale. There were two properties listed as sold in Sumner County through the Land Network Comparable Sales Program. This represented a total value of $674,999. Of all locations in Sumner County with farms and rural real estate for sale, Gallatin had the most land for sale. Sumner County is Tennessee's 30th largest county (543 square miles). It's located in the Middle Tennessee region of Tennessee.