There are 6 zip codes in Grainger County, Tennessee. The most populated is 37861, located in Rutledge. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
378618,256Rutledge
377086,365Bean Station
377093,746Blaine
378883,623Washburn
378811,829Thorn Hill
37848135Powder Springs

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