Smithville is a city in DeKalb County, Tennessee, United States. The population was 5,004 at the 2020 census, up from 3,994 at the 2010 census. It is the county seat of DeKalb County. Smithville is home to the Smithville Fiddler's Jamboree, which it has hosted annually since 1972.
AdCreate your online family tree. Add names, dates & photos and share it with your relatives. Join millions of families around the world that use MyHeritage™ to explore their history.