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 and multiracial populations.

Population by Race

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%

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