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 and multiracial populations.

Population by Race

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%

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