Monticello Flag

Monticello

County:
Lewis County
County Seat:
Yes
Area (mi²):
0.261
State:
Missouri

Monticello is a village located in Lewis County, Missouri. Monticello has a 2026 population of 104. It is also the county seat of Lewis County. Monticello is currently declining at a rate of 0% annually and its population has decreased by -2.8% since the most recent census, which recorded a population of 107 in 2020.

The median household income in Monticello is $93,125 with a poverty rate of 14.68%. The median age in Monticello is 31.1 years: 28.6 years for males, and 31.6 years for females. For every 100 females there are 102.6 males.

104
Total Population
399
Density (mi²)

Monticello Population

Monticello Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202610400%
2025104-1-0.95%
202410500%
202310500%
2022105-2-1.87%
202110700%
202010700%
20199422.17%
201892-4-4.17%
201796-1-1.03%
20169700%
20159700%
20149700%
20139700%
201297-1-1.02%
20119800%
20109800%

Median Age

Overall: 31.1 years
Female: 31.6 years
Male: 28.6 years

Monticello Adults

There are 194 adults, (24 of whom are seniors) in Monticello.

Sex Ratio

Female: 115 (49.4%)
Male: 118 (50.6%)

Demographics

The racial composition of Monticello includes 84.55% White, 5.15% Black or African American, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White19784.55%
Two or more races2410.3%
Black or African American125.15%
Race
Population ↓
Percentage (of total)
Two or more races10.43%
Race
Population ↓
Percentage (of total)
White19784.55%
Two or more races239.87%
Black or African American125.15%

Monticello Marital Status

Economics and Income Statistics

Monticello 's average per capita income is $34,000. Household income levels show a median of $93,125. The poverty rate stands at 14.68%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Families$105,625$112,590
Married Families$94,688-
Households$93,125$92,455
Non Families-$49,973

$34,000

Average Income

$93,125

Median Household Income

14.68%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)