Loudon is a somewhat small city located in the state of Tennessee. With a population of 6,235 people and five constituent neighborhoods, Loudon is the 100th largest community in Tennessee.

As is often the case in a small city, Loudon doesn't have a public transportation system that people use for their commute.

The citizens of Loudon are slightly less educated than the national average of 21.84% for the average city or town: 14.20% of adults in Loudon have a bachelor's degree or advanced degree

The per capita income in Loudon in 2018 was $27,068, which is upper middle income relative to Tennessee, and middle income relative to the rest of the US. This equates to an annual income of $108,272 for a family of four. However, Loudon contains both very wealthy and poor people as well.

Loudon is a very ethnically-diverse city. The people who call Loudon home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Loudon residents report their race to be White, followed by Asian. Loudon also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 24.10% of the city’s residents. Important ancestries of people in Loudon include Irish, English, German, Scots-Irish, and Scottish.

Loudon also has a high percentage of its population that was born in another country: 15.71%.

The most common language spoken in Loudon is English. Other important languages spoken here include Spanish and Polish.