Viola is located close to the center of Tennessee. Viola is part of Warren County. Viola has 0.17 square miles of land area and has no water area. As of 2010-2014, the total Viola population is 58, which has shrunk 55.04% since 2000. The population growth rate is much lower than the state average rate of 13.40% and is much lower than the national average rate of 11.61%. Viola median household income is $26,250 in 2010-2014 and has has shrunk by 29.41% since 2000. The income growth rate is much lower than the state average rate of 22.72% and is much lower than the national average rate of 27.36%. Viola median house value is $79,500 in 2010-2014 and has shrunk by -35.20% since 2000. The house value growth rate is lower than the state average rate of 50.43% and is lower than the national average rate of 46.91%. As a reference, the national Consumer Price Index (CPI) inflation rate for the same period is 26.63%. On average, the public school district that covers Viola is much better than the state average in quality. The Viola area code is 931.