The value of all farmsand rural real estate for sale in Warren County recently was nearly $41 million, representing a combined 803 acres of land for sale in Warren County. Warren County ranks 66th in the Volunteer State for the total acreage of land currently advertised for sale. There were four properties listed as sold in Warren County through the Land Network Comparable Sales Program. This represented a total value of $652,500. McMinnville had the most land for sale. From an economic perspective, manufacturing and related services are the main sectors in Warren County. Warren County is the 54th largest county (434 square miles) in Tennessee. It's located in the East Central Tennessee region of the state.