Collinsville

County:: Madison County
County Seat:: No
Area (mi²):: 15.241
State:: Illinois

Collinsville is a city located in Madison County, Illinois. Collinsville has a 2025 population of 23,413. Collinsville is currently declining at a rate of -0.78% annually and its population has decreased by -3.76% since the most recent census, which recorded a population of 24,327 in 2020.

The average household income in Collinsville is $87,041 with a poverty rate of 13.01%. The median age in Collinsville is 39.7 years: 37.6 years for males, and 42.6 years for females.

Demographics

The racial composition of Collinsville includes 73.94% White, 16.4% Black or African American, and smaller percentages for Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Black or African American

Two or more races

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	17,839	73.94%
Black or African American	3,956	16.4%
Two or more races	1,649	6.83%
Asian	315	1.31%
Other race	224	0.93%
Native American	143	0.59%
Native Hawaiian or Pacific Islander	0	0%

Collinsville Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Collinsville's average per capita income is $45,656. Household income levels show a median of $65,170. The poverty rate stands at 13.01%.

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	$102,870	-
Families	$82,306	$99,353
Households	$65,170	$87,041
Non Families	$39,349	$66,594

$45,656

Average Income

$65,170

Median Household Income

13.01%

Poverty Rate