Louisville is a suburban town in Blount County, Tennessee. Its population was 4,384 at the 2020 census. It is included in the Knoxville, Tennessee Metropolitan Statistical Area.

Blount County is a county located in the East Tennessee Grand Division of the U.S. state of Tennessee. As of the 2020 census, its population was 135,280. The county seat is Maryville, which is also the county's largest city. Blount County is included in the Knoxville metropolitan area.