37721 Frequently Asked Questions

A: ZIP Code 37721 is Located in Corryton Tennessee. Portions of 37721 are also in Plainview.

A: ZIP Code 37721 is Located Primarily in Knox County Tennessee with Portions in Union County.

A: The Current Sales Tax in ZIP Code 37721 is 9.2%

A: The Area Code for 37721 is 865.

A: ZIP Code 37721 is in the Tennessee 2nd Congressional District.

A: 37721 is within Tennessee State House of Representatives District 19 and Tennessee State House of Representatives District 36.

A: 37721 is within Tennessee State Senate District 6 and Tennessee State Senate District 8.

A: The 2022 population of ZIP Code 37721 is 14522. The population growth rate in 37721 is 0.00%. The population density of 37721 is 305.

A: The majority race/ethnicity of people residing in 37721 is White (97.92%). The majority race/ethnicity of students attending public schools in 37721 is White(89.00%).

A: The median household income in 37721 is $57,793 (2021) and the average adjusted income is $377,640 (2021).