Tennessee County Map with Interstate You Belong Here Anderson CountyBlount CountyGrainger CountyJefferson CountyKnox CountyLoudon CountyRoane CountySevier CountyUnion County Grainger County Total population 23,527 Children < 18 20.5% Rural population 100.0% More information about Grainger County Grainger County CountyLearn about Grainger CountyLearn about Grainger County UT Extension NeighborhoodsLearn about neighborhoods in Grainger County Leisure ActivitiesGrainger County Recreation and Arts SchoolsGrainger County school system Area Information * WeatherRealtorsCost of LivingImmigration and Citizenship Area Rentals * ZillowFor RentHomes for Rent *Listing links does not imply endorsement Visit Knoxville Guide Visit UT Knoxville Tennessee County Profiles UT Off Campus Housing