ZIP Code 63457
About Monticello
Monticello is a rural village in, and county seat of, Lewis County, Missouri, United States, along the North Fabius River. The population was 104 at the 2020 census, and according to this census, Monticello is the county seat with the smallest population in the State of Missouri. The town is named in honor of President Thomas Jefferson's estate in Virginia. Monticello is part of the Quincy, IL–MO Micropolitan Statistical Area.
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Area Profile
US Census (ACS 5-year · Gazetteer)
562
population
$61,705
median household income
16
people / sq mi
$179,900
median home value
$779
median gross rent
31.3
median age
157
housing units
119
households
35.0
land area (sq mi)