37421 Zip Code
37421 zip code is located in southeast Tennessee. 37421 zip code is part of Hamilton County. 37421 zip code has 30.38 square miles of land area and 0.01 square miles of water area. As of 2010-2014, the total 37421 zip code population is 47,397, which has grown 16.09% since 2000. The population growth rate is higher than the state average rate of 13.40% and is higher than the national average rate of 11.61%. 37421 zip code median household income is $54,203 in 2010-2014 and has grown by 15.75% since 2000. The income growth rate is lower than the state average rate of 22.72% and is much lower than the national average rate of 27.36%. 37421 zip code median house value is $170,800 in 2010-2014 and has grown by 42.21% 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 37421 zip code is much better than the state average in quality. The 37421 zip code area code is 423.
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