Millbrook township Flag

Millbrook township

County:
Kendall County
County Seat:
No
Area (mi²):
36.535
State:
Illinois

Millbrook township is located in Kendall County, Illinois. Millbrook township has a 2026 population of 404. Millbrook township is currently growing at a rate of 0.5% annually but its population has decreased by -0.49% since the most recent census, which recorded a population of 406 in 2020.

The median household income in Millbrook township is $65,000 with a poverty rate of 7.67%. The median age in Millbrook township is 56.6 years: 57.5 years for males, and 54.9 years for females. For every 100 females there are 94.2 males.

404
Total Population
11
Density (mi²)
2 0.5%
Growth

Millbrook township Population

Millbrook township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202640420.5%
202540220.5%
202440020.5%
2023398-1-0.25%
2022399-3-0.75%
2021402-4-0.99%
2020406-1-0.25%
2019468-4-0.85%
2018472-5-1.05%
2017477-6-1.24%
2016483-4-0.82%
2015487-3-0.61%
2014490-3-0.61%
201349351.02%
201248810.21%
2011487-1-0.2%
2010487-1-0.2%

Median Age

Overall: 56.6 years
Female: 54.9 years
Male: 57.5 years

Millbrook township Adults

There are 367 adults, (101 of whom are seniors) in Millbrook township.

Sex Ratio

Female: 208 (51.5%)
Male: 196 (48.5%)

Demographics

The racial composition of Millbrook township includes 99.5% White, and smaller percentages for Two or more races and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White40299.5%
Two or more races20.5%
Race
Population ↓
Percentage (of total)
White40299.5%
Two or more races20.5%

Millbrook township Marital Status

Economics and Income Statistics

Millbrook township 's average per capita income is $45,208. Household income levels show a median of $65,000. The poverty rate stands at 7.67%.

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$75,882$97,102
Households$65,000$82,134
Married Families--
Non Families-$32,198

$45,208

Average Income

$65,000

Median Household Income

7.67%

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)