Land for sale in Montgomery County, Tennessee, recently totaled nearly $69 million and almost 3,000 acres. Montgomery County ranks 69th out of 95 counties in Tennessee for the total acreage of land currently advertised for sale. There were two properties listed as sold in Montgomery County through the Land Network Comparable Sales Program. This represented a total value of $5,330,000. Clarksville featured the most land for sale. Montgomery County is Tennessee's 29th largest county (543 square miles). It's located in the Middle Tennessee region of Tennessee.