Fort White is a town in Columbia County, Florida, United States, named after a military fort built in the 1830s. It is the closest town to Ichetucknee Springs State Park. Fort White High School and the Fort White Public School Historic District are located within the town's borders. The original school building was constructed in 1915. As of the 2020 census, the population of Fort White was 618, up from 567 at the 2010 census. It is part of the Lake City, Florida Micropolitan Statistical Area.