Loudon County was recognized in 1870 and was named for Fort Loudoun. It has a total area of 247 sq mi. The County seat is Loudon while the largest city is Lenoir City. The total population of the county is over 48.5K with a racial makeup including White, Native American, black or African American, Asian, Hispanic or Latino, Pacific Islander, and others with more than 15.9K housing units and 11.7K families. The County is included in the Knoxville Metropolitan Area.

Today the Loudon County records website is one of the most competent online data site, with a rich resource of information regarding census data, real estate and property facts, civil court case lookups, last will, American Civil War history, immigration and naturalization specifics, burial and cemetery details, land and estate data, demise facts, obituary notice, probate specifics, World War I and II information, origin and birth details, marriage and divorce details, war and enlistment data and the likes that is being retained and maintained at regular basis.