Ten Mile is primarily a summer cottage community on Watts Bar Lake. It includes summer cottages, small locally owned stores and restaurants, a bank, marinas, resorts, churches, and a Post Office (ZIP code 37880). The nearby TVAWatts Bar nuclear plant (in bordering Rhea County), and Watts Bar Dam spanning the Tennessee River across the Meigs County and Rhea County lines have played, and continue to play, an important role in the local economy.
Ten Mile originated in a small community at the cross of Old Ten Mile and Ten Mile roads. The community consisted of a small school, a post office and two churches. The town has now moved closer to Watts Bar Lake. The only things that still exist in the old community are the two churches.
The Ten Mile zip code 37880 had a 2010 population of 3,477.