Brookside township

County:: Clinton County
County Seat:: No
Area (mi²):: 24.314
State:: Illinois

Brookside township is located in Clinton County, Illinois. Brookside township has a 2025 population of 4,358. Brookside township is currently declining at a rate of -0.43% annually and its population has decreased by -1.63% since the most recent census, which recorded a population of 4,430 in 2020.

The average household income in Brookside township is $65,492 with a poverty rate of 22.86%.The median age in Brookside township is 44.3 years: 42.2 years for males, and 52.6 years for females.

Demographics

The racial composition of Brookside township includes 74.24% White, 20.44% Black or African American, and smaller percentages for Asian, other race and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	3,291	74.24%
Black or African American	906	20.44%
Two or more races	143	3.23%
Asian	80	1.8%
Other race	13	0.29%

Brookside township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Brookside township's average per capita income is $45,250. Household income levels show a median of $43,224. The poverty rate stands at 22.86%.

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	$84,750	-
Families	$59,688	$78,112
Households	$43,224	$65,492
Non Families	$34,825	$47,578

$45,250

Average Income

$43,224

Median Household Income

22.86%

Poverty Rate