Collinsville township Flag

Collinsville township

County:
Madison County
County Seat:
No
Area (mi²):
34.854
State:
Illinois

Collinsville township is located in Madison County, Illinois. Collinsville township has a 2025 population of 34,902. Collinsville township is currently declining at a rate of -0.39% annually and its population has decreased by -1.96% since the most recent census, which recorded a population of 35,598 in 2020.

The average household income in Collinsville township is $99,229 with a poverty rate of 10.53%.The median age in Collinsville township is 42.4 years: 40.8 years for males, and 44.2 years for females.

34.9K
Total Population
1,001
Density (mi²)
-138 -0.39%
Growth

Collinsville township Population

Collinsville township Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Collinsville township includes 79.15% White, 12.21% Black or African American, and smaller percentages for Asian, other race, Native American and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White28,07679.15%
Black or African American4,33212.21%
Two or more races2,2696.4%
Asian3490.98%
Other race3040.86%
Native American1430.4%

Collinsville township Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Collinsville township's average per capita income is $48,821. Household income levels show a median of $74,029. The poverty rate stands at 10.53%.

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$112,557-
Families$99,926$115,685
Households$74,029$99,229
Non Families$46,963$70,375

$48,821

Average Income

$74,029

Median Household Income

10.53%

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)