AreaVibes reveals the best places to live in Tennessee for 2016 using our Livability Score. The Livability Score for each city in Tennessee is calculated out of 100 from a unique algorithm based on various metrics, including: amenities, cost of living, crime, education, employment, housing and weather. Tennessee has a population of 6,451,365 and a population density of 153.1 people per square mile. The capital city is Nashville and the largest city in Tennessee is Memphis. To filter the results, use the dropdown options to sort by population or category.