Roan Mountain, TN has a population of 1,454 and is the 12,880th largest city in the United States. The population density is 219 per sq mi which is 43% higher than the Tennessee average and 142% higher than the national average. The median age in Roan Mountain is 38 which is approximately 1% lower than the Tennessee average of 39. In Roan Mountain, 58% of the population over 15 years of age are married, 99% speak English and 1% speak Spanish. 61% of Roan Mountain residents were born in Tennessee, 38% were born out of state, 1% were born outside of the United States and 0% were foreign born.