Lemont township

County:: Cook County
County Seat:: No
Area (mi²):: 20.366
State:: Illinois

Lemont township is located in Cook County, Illinois. Lemont township has a 2025 population of 22,113. Lemont township is currently declining at a rate of -0.3% annually and its population has decreased by -2.33% since the most recent census, which recorded a population of 22,641 in 2020.

The average household income in Lemont township is $149,704 with a poverty rate of 3.64%. The median age in Lemont township is 44.1 years: 43 years for males, and 46.6 years for females.

Demographics

The racial composition of Lemont township includes 87.22% White, and smaller percentages for Asian, other race, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Asian

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	19,570	87.22%
Two or more races	1,669	7.44%
Asian	476	2.12%
Other race	360	1.6%
Black or African American	299	1.33%
Native American	63	0.28%
Native Hawaiian or Pacific Islander	0	0%

Lemont township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Lemont township's average per capita income is $73,077. Household income levels show a median of $123,529. The poverty rate stands at 3.64%.

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	$170,504	-
Families	$161,323	$180,917
Households	$123,529	$149,704
Non Families	$46,510	$59,780

$73,077

Average Income

$123,529

Median Household Income

3.64%

Poverty Rate