The value of all farmsand rural real estate for sale in Union County recently was nearly $60 million, representing a total of 1,250 acres of land for sale in Union County. Union County ranks 46th in Tennessee for the combined amount of land currently advertised for sale. There were two properties listed as sold in Union County through the Land Network Comparable Sales Program. This represented a total value of $100,000. Among cities in Union County with farms, hunting land and other rural land and acreage for sale, Sharps Chapel had the most land for sale. From an economic perspective, manufacturing and related services are the main sectors in Union County. Union County is Tennessee's 86th biggest county (247 square miles). It's located in the Eastern Tennessee region of the state.