Knoxville is a city in the U.S. state of Tennessee, and the county seat of Knox County. The city had an estimated population of 185,291 in 2015 and a population of 178,874 as of the 2010 census, making it the state's third largest city after Nashville and Memphis. Knoxville is the principal city of the Knoxville Metropolitan Statistical Area, which, in 2013, had an estimated population of 852,715.
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