Lemont, IL
Population 17,643 · Illinois
About Lemont, IL
Lemont is a mid-sized city located in Illinois with a population of 17,643 residents according to the latest US Census Bureau American Community Survey data. The median household income is $126,100 per year, which is 68% above the national median of $75,149. The median age of 43.7 years is notably older the US median age of 38.9 years, suggesting a more established community with a higher proportion of long-term residents.
Housing Market Overview
The housing market in Lemont features a median home value of $447,800, which is 83% above the national median of $244,900. This places Lemont in a higher-cost housing market, where property demand often outpaces supply. Median monthly rent is $1,211, 4% above the national average of $1,163/month. Of the 6,513 total housing units, 87% are owner-occupied (5,524 units) and 13% are renter-occupied (810 units). The high homeownership rate suggests a stable, established residential community.
Economy & Employment
The local economy in Lemont shows an unemployment rate of 4.3%, which is near the national rate of 3.7%. The poverty rate stands at 3.1%, below the national average of 12.4%, reflecting generally favorable economic conditions. Workers in Lemont have an average one-way commute time of 35.3 minutes, suggesting many residents commute to jobs in a nearby metro area.
Education & Demographics
45.6% of Lemont residents aged 25 and older hold a bachelor's degree or higher, compared to the national average of 33.7%. This significantly higher educational attainment rate often correlates with access to knowledge-economy jobs and higher household incomes. The community's demographic composition includes 8.5% White, 0.9% Hispanic or Latino, 0.5% Black or African American, and 0.6% Asian residents, with 15.4% of the population being foreign-born.
Cost of Living in Lemont, IL
Compared to national averages, Lemont has a median household income of $126,100 (68% above the national median of $75,149). Home values average $447,800, which is 83% above the national median. Monthly rent at $1,211 is 4% above the US average of $1,163. Within Illinois, Lemont's income is 68% above the state average of $75,072, and home values are 170% above the state median of $165,779.
Why Live in Lemont, IL?
Lemont offers a strong local economy with a median household income of $126,100, well above the national average, and a well-educated community where 45.6% of residents hold a bachelor’s degree or higher, and a low poverty rate of 3.1%, better than the national average.
Potential considerations include a competitive housing market where the typical home costs $447,800. However, Lemont’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Lemont has a population of 17,643 with a median age of 43.7 years. Compare Lemont with other cities to see how it stacks up, or explore all cities in Illinois.
Similar Cities Near Lemont
Cities in Illinois with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Godfrey | 17,743 | $92,746 | $181,400 | Compare |
| Jacksonville | 17,490 | $62,615 | $128,300 | Compare |
| Cary | 17,875 | $109,790 | $287,000 | Compare |
| Charleston | 17,212 | $49,057 | $133,700 | Compare |
| Bourbonnais | 18,109 | $81,017 | $242,600 | Compare |
| Cahokia Heights | 17,173 | $37,975 | $56,900 | Compare |
| Hinsdale | 17,155 | $250,001 | $999,100 | Compare |
| Palos Hills | 18,139 | $83,969 | $259,200 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in Illinois
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
Compare Lemont With Other Cities
Frequently Asked Questions about Lemont
What is the population of Lemont, IL?
The population of Lemont, IL is 17,643 according to the latest US Census Bureau American Community Survey estimates. This makes it a mid-sized city in Illinois.
What is the median household income in Lemont?
The median household income in Lemont, IL is $126,100 per year, which is 68% above the national median of $75,149.
What is the median home value in Lemont?
The median home value in Lemont, IL is $447,800, which is 83% above the national median of $244,900. The majority of housing units are owner-occupied.
What is the average rent in Lemont?
The median monthly rent in Lemont, IL is $1,211, which is 4% above the national average of $1,163/month.
What is the unemployment rate in Lemont?
The unemployment rate in Lemont, IL is 4.3%, compared to the national average of 3.7%. Job seekers may want to research the dominant industries in the area.
Is Lemont, IL a good place to live?
Lemont offers above-average incomes, a competitive housing market, and growing employment opportunities. With a population of 17,643 and a median age of 43.7, the city appeals to a broad range of residents.
How educated is Lemont, IL?
45.6% of residents in Lemont aged 25 and older hold a bachelor's degree or higher, compared to the national average of 33.7%. This above-average educational attainment often reflects a knowledge-based local economy.
What is the cost of living in Lemont?
Key cost-of-living indicators for Lemont, IL: median home value is $447,800 (83% above national), median rent is $1,211/month, and median household income is $126,100. The home-value-to-income ratio is 3.6x, a moderate figure by national standards.
What is the poverty rate in Lemont?
The poverty rate in Lemont, IL is 3.1%, compared to the national average of 12.4%. This below-average poverty rate reflects generally favorable economic conditions in the community.
How diverse is Lemont, IL?
Lemont's population is 8.5% White, 0.9% Hispanic or Latino, 0.5% Black or African American, 0.6% Asian, and 1.3% two or more races. 15.4% of residents are foreign-born.