Monticello is a city located in the Florida region of the United States. It serves as the sole city within and the county seat of Jefferson County.
The city was named after Monticello, the estate of Thomas Jefferson. The local Jefferson County Courthouse was modeled after this historic estate. As of the 2020 census, the population of Monticello was 2,589. It is also considered part of the Tallahassee metropolitan area.