- source: Getty Thesaurus of Geographic Names
- the text in this section is copied from an article in Wikipedia
Monticello is a village in Lewis County, Missouri, United States, along the North Fabius River. The population was 98 at the 2010 census. It is the county seat of Lewis County.
Monticello is part of the Quincy, IL–MO Micropolitan Statistical Area.
According to the 2010 UC census, Monticello is the county seat with the smallest population in the State of Missouri.