Loudon County is a county located in the U.S. state of Tennessee. Its population was 49,793 at the 2010 census. Its county seat is Loudon, and it is included in the Knoxville Metropolitan Area.

The first settlers of Loudon County were the Overhill Cherokee Indians who built their villages along the banks of the Tennessee and Little Tennessee Rivers. The first white settlers were English soldiers, many of whom had families garrisoned in Fort Loudoun. The white settlers built opposite to the Indian settlers.

Loudon County was formed on May 27, 1870 from portions of Roane, Monroe and Blount Counties. Originally, it was named Christiana County, but a few days later the name was changed to Loudon in honor of nearby colonial Fort Loudoun. The fort was named for John Campbell, 4th Earl of Loudoun, and a commander of the all British forces during the French and Indian Wars. Several earlier attempts to form this county failed due to the difficulty in satisfying the general provisions of Tennessee’s old constitution. The act to establish this county was the first act ever approved by a governor of Tennessee. Governor D. W. C. Senter signed this act into law on June 2, 1870, and Loudon County was born.

In August 1870, the county officers were chosen. On September 5, 1870, the county court was organized at the Baptist Church in Loudon. This church became the temporary quarters of the county court until the new building, built by J. W. Clark & Brothers, was finished in 1872. The Loudon County Court House is on the National Register of Historic Places and is still in use today.

There is a strong local tradition that the Griffitts House and Farm near Jackson Ferry was a station on the Underground Railroad. The Griffitts were Quakers, who were reputed to have also given aid to Cherokee Indians during the Trail of Tears.

There is no 1870 Census for Loudon County. Those citizens who were enumerated in the 1880 census for Loudon County were enumerated in the 1870 Censuses for Roane, Blount, and Monroe Counties. As of the census of 2020, there were 54,886 total people in 20,669 households spread among 24,559 housing units residing in the county. The racial makeup of the county was 87.7% White, 9.2% Hispanic, 1.6% Black or African American, 0.9% Asian, and 0.6% Native American.

The average persons per household is 2.51. The median income per household in the county was $58,065. The per capita income for the county was $31,478. About 10.6% of the population were below the poverty line.


Nestled within the foothills of the glorious Smoky Mountains, discover the rare natural beauty of the planned communities in Loudon County. Sweeping mountain views, waterfront lake views, and acres of pristine wooded preserve characterize the Tennessee mountain lifestyle known for its cool summers, mild winters, and gorgeous fall colors.


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