Bristol is a city in Sullivan County, Tennessee, United States. The population was 26,702 at the 2010 census. It is the twin city of Bristol, Virginia, which lies directly across the state line between Tennessee and Virginia.Bristol is probably best known for being the site of some of the first commercial recordings of country music, showcasing Jimmie Rodgers and the Carter Family, and later a favorite venue of the mountain musician Uncle Charlie Osborne. Congress recognized Bristol as the Birthplace of Country Music in 1998. Bristol is the birthplace of Tennessee Ernie Ford.