Loudon is located in Loudon County (of which it is the county seat). The population estimate for July 1, 1998 was 4,570, an increase of 282 since 1990.

Accommodations in Loudon include Holiday Inn Express, Knights Inn and Mason Place Bed & Breakfast. Click for more details, including other accommodations in the area, as well as online reservations.

Loudon is part of the Knoxville, Tennessee metro area.