Wilmington township Flag

Wilmington township

County:
Will County
County Seat:
No
Area (mi²):
33.029
State:
Illinois

Wilmington township is located in Will County, Illinois. Wilmington township has a 2026 population of 5,891. Wilmington township is currently declining at a rate of -0.32% annually and its population has decreased by -0.89% since the most recent census, which recorded a population of 5,944 in 2020.

The median household income in Wilmington township is $65,202 with a poverty rate of 10.59%. The median age in Wilmington township is 41.3 years: 36.9 years for males, and 47.1 years for females. For every 100 females there are 106.5 males.

5.9K
Total Population
178
Density (mi²)
-19 -0.32%
Growth

Wilmington township Population

Wilmington township Population

Year ↓
Population
Growth
Annual Change
20265,891-19-0.32%
20255,910-19-0.32%
20245,929400.68%
20235,88930.05%
20225,886-47-0.79%
20215,933-11-0.19%
20205,944-13-0.22%
20196,076-39-0.64%
20186,115-27-0.44%
20176,142-21-0.34%
20166,16320.03%
20156,161-19-0.31%
20146,180-15-0.24%
20136,195-24-0.39%
20126,219-2-0.03%
20116,221280.45%
20106,224290.47%

Median Age

Overall: 41.3 years
Female: 47.1 years
Male: 36.9 years

Wilmington township Adults

There are 4,785 adults, (1,203 of whom are seniors) in Wilmington township.

Sex Ratio

Female: 2,865 (48.4%)
Male: 3,050 (51.6%)

Demographics

The racial composition of Wilmington township includes 89.67% White, and smaller percentages for Black or African American, other race, Asian, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White5,30489.67%
Two or more races3275.53%
Black or African American1492.52%
Other race831.4%
Asian450.76%
Native American70.12%
Race
Population ↓
Percentage (of total)
White2424.09%
Two or more races1813.06%
Other race601.01%
Native American70.12%
Race
Population ↓
Percentage (of total)
White5,06285.58%
Black or African American1492.52%
Two or more races1462.47%
Asian450.76%
Other race230.39%

Wilmington township Marital Status

Economics and Income Statistics

Wilmington township's average per capita income is $50,288. Household income levels show a median of $65,202. The poverty rate stands at 10.59%.

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$111,162-
Families$101,172$112,738
Households$65,202$87,385
Non Families$40,385$50,723

$50,288

Average Income

$65,202

Median Household Income

10.59%

Poverty Rate

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)