A combined around 3,000 acres were listed for sale in DeKalb County recently; the overall value of all DeKalb County land for sale was $88 million. DeKalb County ranks 23rd in the Volunteer State for the total acreage 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. Smithville featured the most land for sale. From an economic perspective, manufacturing and related services are the main sectors in DeKalb County. DeKalb County is Tennessee's 70th biggest county (328 square miles). It's located in the East Central Tennessee region of the state.