Land for sale in Trousdale County recently totaled nearly $3 million and approximately 1,000 acres. Trousdale County ranks 95th out of 95 counties in the Volunteer State for the total acreage of land currently advertised for sale. Of all land and rural real estate for sale in Trousdale County, Hartsville featured the most land for sale. Trousdale County is Tennessee's 95th largest county (116 square miles). It's located in the Middle Tennessee region of Tennessee.