Monticello township Flag

Monticello township

County:
Piatt County
County Seat:
No
Area (mi²):
47.998
State:
Illinois

Monticello township is located in Piatt County, Illinois. Monticello township has a 2026 population of 6,133. Monticello township is currently declining at a rate of -0.23% annually but its population has increased by 0.46% since the most recent census, which recorded a population of 6,105 in 2020.

The median household income in Monticello township is $99,256 with a poverty rate of 5.25%. The median age in Monticello township is 46.7 years: 44.5 years for males, and 49.5 years for females. For every 100 females there are 92.7 males.

6.1K
Total Population
128
Density (mi²)
-14 -0.23%
Growth

Monticello township Population

Monticello township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20266,133-14-0.23%
20256,147-14-0.23%
20246,161-14-0.23%
20236,175360.59%
20226,139-18-0.29%
20216,157520.85%
20206,10550.08%
20195,89420.03%
20185,892-1-0.02%
20175,893-21-0.36%
20165,914701.2%
20155,844-17-0.29%
20145,861-2-0.03%
20135,863450.77%
20125,818-61-1.04%
20115,879-27-0.46%
20105,899-5-0.08%

Median Age

Overall: 46.7 years
Female: 49.5 years
Male: 44.5 years

Monticello township Adults

There are 5,158 adults, (1,429 of whom are seniors) in Monticello township.

Sex Ratio

Female: 3,194 (51.9%)
Male: 2,960 (48.1%)

Demographics

The racial composition of Monticello township includes 96.78% White, and smaller percentages for other race, Asian, Two or more races, Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White5,95696.78%
Other race771.25%
Asian550.89%
Two or more races420.68%
Black or African American240.39%
Race
Population ↓
Percentage (of total)
Other race771.25%
Two or more races420.68%
Race
Population ↓
Percentage (of total)
White5,95696.78%
Asian550.89%
Black or African American240.39%

Monticello township Marital Status

Economics and Income Statistics

Monticello township 's average per capita income is $58,646. Household income levels show a median of $99,256. The poverty rate stands at 5.25%.

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
Married Families$122,849-
Families$114,922$128,009
Households$99,256$112,109
Non Families$60,625$67,964

$58,646

Average Income

$99,256

Median Household Income

5.25%

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)