 The Stewart County portion of Tennessee Ridge is part of the Clarksville, TN–KY Metropolitan Statistical Area.Tennessee Ridge is located at (36.320797, -87.763012), at an elevation of 742 feet above sea level.According to the United States Census Bureau, the town has a total area of 3.7 square miles (9.6 km²), of which 3.7 square miles (9.6 km²) is land and 0.27% is water.