Willow Creek township Flag

Willow Creek township

County:
Lee County
County Seat:
No
Area (mi²):
35.114
State:
Illinois

Willow Creek township is located in Lee County, Illinois. Willow Creek township has a 2026 population of 621. Willow Creek township is currently declining at a rate of -0.32% annually and its population has decreased by -2.36% since the most recent census, which recorded a population of 636 in 2020.

The median household income in Willow Creek township is $78,802 with a poverty rate of 5.88%. The median age in Willow Creek township is 27.1 years: 37.4 years for males, and 21.4 years for females. For every 100 females there are 83.1 males.

621
Total Population
18
Density (mi²)
-2 -0.32%
Growth

Willow Creek township Population

Willow Creek township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026621-2-0.32%
2025623-2-0.32%
2024625-2-0.32%
2023627-5-0.79%
2022632-7-1.1%
202163930.47%
2020636-2-0.31%
2019642-4-0.62%
2018646-5-0.77%
201765100%
2016651-3-0.46%
2015654-7-1.06%
201466100%
2013661-8-1.2%
2012669-9-1.33%
2011678-10-1.45%
2010687-1-0.15%

Median Age

Overall: 27.1 years
Female: 21.4 years
Male: 37.4 years

Willow Creek township Adults

There are 533 adults, (107 of whom are seniors) in Willow Creek township.

Sex Ratio

Female: 492 (54.6%)
Male: 409 (45.4%)

Demographics

The racial composition of Willow Creek township includes 81.58% White, 3.55% other race, and smaller percentages for Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White73581.58%
Two or more races13314.76%
Other race323.55%
Black or African American10.11%
Race
Population ↓
Percentage (of total)
Two or more races202.22%
Other race101.11%
White91%
Race
Population ↓
Percentage (of total)
White72680.58%
Two or more races11312.54%
Other race222.44%
Black or African American10.11%

Willow Creek township Marital Status

Economics and Income Statistics

Willow Creek township 's average per capita income is $62,578. Household income levels show a median of $78,802. The poverty rate stands at 5.88%.

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$80,000$99,627
Married Families$79,766-
Households$78,802$102,492
Non Families$60,313$105,296

$62,578

Average Income

$78,802

Median Household Income

5.88%

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)