Lemont

County:: Cook County
County Seat:: No
Area (mi²):: 8.471
State:: Illinois

Lemont is a village located in Cook County, Illinois. Lemont has a 2025 population of 17,437. Lemont is currently declining at a rate of -0.39% annually and its population has decreased by -1.94% since the most recent census, which recorded a population of 17,782 in 2020.

The average household income in Lemont is $146,268 with a poverty rate of 3.14%. The median age in Lemont is 43.7 years: 42.4 years for males, and 45.7 years for females.

Demographics

The racial composition of Lemont includes 88.22% White, and smaller percentages for Asian, Black or African American, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Asian

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	15,565	88.22%
Two or more races	1,314	7.45%
Asian	265	1.5%
Black or African American	235	1.33%
Other race	201	1.14%
Native American	63	0.36%
Native Hawaiian or Pacific Islander	0	0%

Lemont Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Lemont's average per capita income is $74,690. Household income levels show a median of $126,100. The poverty rate stands at 3.14%.

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	$170,304	-
Families	$158,103	$172,292
Households	$126,100	$146,268
Non Families	$54,051	$68,406

$74,690

Average Income

$126,100

Median Household Income

3.14%

Poverty Rate