There are 23 zip codes in Knox County, Tennessee. The most populated is 37918, located in Knoxville. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
3791845,741Knoxville
3792042,537Knoxville
3792239,373Knoxville
3792331,364Knoxville
3791930,956Knoxville
3793130,463Knoxville
3784929,022Powell
3792128,571Knoxville
3793427,675Farragut
3791725,418Knoxville
3791222,051Knoxville
3793221,117Knoxville
3791420,579Knoxville
3793817,366Knoxville
3790916,868Knoxville
3791614,864Knoxville
3772114,522Corryton
3792414,092Knoxville
378719,487Strawberry Plains
379155,318Knoxville
378062,884Mascot
379022,384Knoxville
379290Knoxville

Zip Codes in Knox County, Tennessee by Population (2024)