The combined value of farms, hunting land and other rural land and acreage for sale in DeKalb County recently on Land.com was nearly $89 million. This represents around 3,000 acres of land and rural real estate for sale in DeKalb County. DeKalb County ranks 23rd in the state for the combined amount of land currently advertised for sale. There were three properties listed as sold in DeKalb County through the Land Network Comparable Sales Program. This represented a total value of $39,598. Of all locations in DeKalb County with farms and rural land for sale, Smithville featured the most land for sale. Manufacturing and related services are the largest economic sectors in DeKalb County. DeKalb County is the 70th largest county (328 square miles) in Tennessee. It's located in the East Central Tennessee region of Tennessee.