Loudon is a city located in Loudon County Tennessee. It is also the county seat of Loudon County. With a 2020 population of 6,064, it is the 89th largest city in Tennessee and the 4282nd largest city in the United States . Loudon is currently growing at a rate of 1.46% annually and its population has increased by 12.69% since the most recent census, which recorded a population of 5,381 in 2010. Loudon reached it's highest population of in . Spanning over 13 miles, Loudon has a population density of 483 people per square mile.
The average household income in Loudon is $60,572 with a poverty rate of 13.26%. The median rental costs in recent years comes to $743 per month, and the median house value is $123,300. The median age in Loudon is 44.2 years, 41.9 years for males, and 45.3 years for females.