Lemont Flag

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.

17.4K
Total Population
2,058
Density (mi²)
-69 -0.39%
Growth

Lemont Population

Lemont Population

Data after 2023 is projected based on recent change

Demographics

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

Population by Race

Race
Population
Percentage (of total)
White15,56588.22%
Two or more races1,3147.45%
Asian2651.5%
Black or African American2351.33%
Other race2011.14%
Native American630.36%

Lemont Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)