Coalmont is located close to the center of Tennessee. Coalmont is part of Grundy County. Coalmont has 5.95 square miles of land area and 0.14 square miles of water area. As of 2010-2014, the total Coalmont population is 619, which has shrunk 34.70% 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%. Coalmont median household income is $20,469 in 2010-2014 and has has shrunk by 5.89% 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%. Coalmont median house value is $76,400 in 2010-2014 and has shrunk by -40.18% 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 Coalmont is much better than the state average in quality. The Coalmont area code is 615.