 New definitions from February 28, 2013 placed the population at 363,000.Teays Valley is located at (38.447204, -81.937324).According to the United States Census Bureau, the CDP has a total area of 7.3 square miles (18.8 km²), of which 7.2 square miles (18.6 km²) is land and 0.1 square mile (0.3 km²) (1.34%) is water.