Below are a list of the cities located in Grainger County, TN. There are 6 total unique zip codes in Grainger County, Tennessee. The time zone for Grainger County is the Time zone and they follow daylight savings time. The Federal Information Processing System (FIPS) Code for echo $county.' County, '.$state_abbrev ?> is 47057.
The population in Grainger County, TN is currently 23,763. That is an increase of 4.55% vs the population of 22,657 in 2010.
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