Lookout Mountain, TN has a population of 1,930 and is the 11,221st largest city in the United States. The population density is 1,437 per sq mi which is 839% higher than the Tennessee average and 1486% higher than the national average. The median age in Lookout Mountain is 46 which is approximately 18% higher than the Tennessee average of 39. In Lookout Mountain, 75% of the population over 15 years of age are married, 97% speak English and 1% speak Spanish. 56% of Lookout Mountain residents were born in Tennessee, 41% were born out of state, 1% were born outside of the United States and 2% were foreign born.