Elizabethton is located in east Tennessee. Elizabethton is part of Carter County. Elizabethton has 9.74 square miles of land area and 0.16 square miles of water area. As of 2010-2014, the total Elizabethton population is 14,322, which has grown 7.10% since 2000. The population growth rate is much lower than the state average rate of 13.40% and is lower than the national average rate of 11.61%. Elizabethton median household income is $28,721 in 2010-2014 and has grown by 10.85% 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%. Elizabethton median house value is $110,100 in 2010-2014 and has grown by 46.80% since 2000. The house value growth rate is lower than the state average rate of 50.43% and is about the same as 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 Elizabethton is much better than the state average in quality. The Elizabethton area code is 423.