Bristol is a city in and the county seat of Liberty County, Florida, United States. The population was 845 at the 2000 census; in 2005, the population according to U. S Census estimates was 910. http://www. census. gov/popest/cities/tables/SUB-EST2005-04-12. csv Two schools are based in Bristol: Liberty County High School and W. R. Tolar Elementary and Middle School.