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 2026 population of 35,049. Collinsville township is currently declining at a rate of -0.23% annually and its population has decreased by -1.64% since the most recent census, which recorded a population of 35,635 in 2020.

The median household income in Collinsville township is $77,785 with a poverty rate of 9.84%. The median age in Collinsville township is 42.8 years: 40.8 years for males, and 44.8 years for females. For every 100 females there are 92.3 males.

35K
Total Population
1,006
Density (mi²)
-81 -0.23%
Growth

Collinsville township Population

Collinsville township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202635,049-81-0.23%
202535,130-81-0.23%
202435,211-81-0.23%
202335,292-100-0.28%
202235,392-124-0.35%
202135,516-119-0.33%
202035,635-35-0.1%
201935,695-166-0.46%
201835,861-146-0.41%
201736,007580.16%
201635,949-77-0.21%
201536,026-53-0.15%
201436,079-110-0.3%
201336,189-175-0.48%
201236,364130.04%
201136,351860.24%
201036,380280.08%

Median Age

Overall: 42.8 years
Female: 44.8 years
Male: 40.8 years

Collinsville township Adults

There are 28,916 adults, (7,211 of whom are seniors) in Collinsville township.

Sex Ratio

Female: 18,412 (52%)
Male: 16,998 (48%)

Demographics

The racial composition of Collinsville township includes 78.02% White, 11.32% Black or African American, and smaller percentages for Asian, other race, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White27,62678.02%
Black or African American4,01011.32%
Two or more races3,0508.61%
Asian3581.01%
Other race2590.73%
Native American1070.3%
Race
Population ↓
Percentage (of total)
Two or more races1,3063.69%
White3591.01%
Other race2590.73%
Native American1010.29%
Black or African American210.06%
Race
Population ↓
Percentage (of total)
White27,26777%
Black or African American3,98911.27%
Two or more races1,7444.93%
Asian3581.01%
Native American60.02%

Collinsville township Marital Status

Economics and Income Statistics

Collinsville township 's average per capita income is $51,844. Household income levels show a median of $77,785. The poverty rate stands at 9.84%.

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$112,112-
Families$99,579$113,156
Households$77,785$96,206
Non Families$50,356$63,923

$51,844

Average Income

$77,785

Median Household Income

9.84%

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)