Smyrna is located close to the center of Tennessee. Smyrna is part of Rutherford County. Smyrna has 29.60 square miles of land area and 0.11 square miles of water area. As of 2010-2014, the total Smyrna population is 42,235, which has grown 65.18% since 2000. The population growth rate is much higher than the state average rate of 13.40% and is much higher than the national average rate of 11.61%. Smyrna median household income is $52,516 in 2010-2014 and has grown by 18.27% since 2000. The income growth rate is lower than the state average rate of 22.72% and is lower than the national average rate of 27.36%. Smyrna median house value is $149,000 in 2010-2014 and has grown by 28.78% since 2000. The house value growth rate is much lower than the state average rate of 50.43% and is much 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 Smyrna is much better than the state average in quality. The Smyrna area code is 615.