Lemont Flag

Lemont

County:
Cook County
County Seat:
No
Area (mi²):
9.137
State:
Illinois

Lemont is a village located in Cook County, Illinois. Lemont has a 2026 population of 18,203. Lemont is currently growing at a rate of 2.66% annually and its population has increased by 2.25% since the most recent census, which recorded a population of 17,802 in 2020.

18.2K
Total Population
1,992
Density (mi²)
472 2.66%
Growth

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)