37921 Zip Code
37921 zip code is located in east Tennessee. 37921 zip code is part of Knox County. 37921 zip code has 15.30 square miles of land area and 0.01 square miles of water area. As of 2010-2014, the total 37921 zip code population is 28,499, which has grown 8.61% since 2000. The population growth rate is lower than the state average rate of 13.40% and is lower than the national average rate of 11.61%. 37921 zip code median household income is $37,449 in 2010-2014 and has grown by 19.83% 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%. 37921 zip code median house value is $113,500 in 2010-2014 and has grown by 46.64% 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 37921 zip code is much better than the state average in quality. The 37921 zip code area code is 865.
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