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Mountain City, Johnson County, Tennessee, United States (36.47456 -81.80484)
Mountain City is a town in, and the county seat of Johnson County, Tennessee, United States. The population was 2,383 at the 2000 census and 2,531 at the 2010 census. It is the northeasternmost county seat in Tennessee. In addition, at an elevation of 2,418 feet (737 m), it has the distinction of being the highest incorporated city in the state.