chattanooga statistical population
Chattanooga is located about 120 miles southwest of Knoxville and 120 miles northwest of Atlanta, Georgia. Chattanooga has a population of 167,000, which makes it the 4th largest city in Tennessee, although the population is estimated to have reached 175,000 in 2015. The city proper has a population density of 1,223 people per square mile (472/square kilometer).