Lemont is a village in Cook County, Illinois, home to about 17,820 people across 8.3 square miles. Its ZIP code is 60439.
Homes sold for a median of $264 per square foot in the three months ending August 2026, a seller’s market.
Mostly Lemont; also Palos Park and Woodridge
Each card is that ZIP code’s whole market, including any part outside Lemont. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Lemont’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Chicago Midway International Airport (MDW)13 miles away |
|---|---|
| Nearest city of 250,000+ | Chicago, IL17 miles away |
Straight-line distances from the center of Lemont; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Lemont had 17,629 residents in the 2020 census, up 35% since 2000.
It’s the 145th largest of 1,450 towns in Illinois by population.
Cook County grew from 1,838,735 residents in 1900 to 5,275,541 in 2020.
Cook County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 90°F in summer, and winter lows average 15°F. About 41.5 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Little Red School Hse, IL weather station (5 miles away).
2,492,328 jobs at 134,513 businesses in Cook County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
139 doctors and other health care providers list an office in Lemont.
Nearest hospitals
Providers with an office here
| Primary care doctors | 17 |
|---|---|
| Specialist doctors | 4 |
| Dentists | 20 |
| Nurse practitioners and physician assistants | 14 |
| Mental health providers | 43 |
| Physical and occupational therapists | 28 |
| Optometrists | 8 |
| Chiropractors | 5 |
| Pharmacies | 3 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (6 nearby)
Grocery stores
Pharmacies (1 nearby)
Libraries (1 nearby)
Museums (2 nearby)
Counts are within about 2 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1836.
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Lemont-Bromberek CSD 113A, Lemont Twp HSD 210. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Oakwood SchoolLemont | Pre-K–1 | 629 | Public | 3.5 mi |
| River Valley SchoolLemont | 2–3 | 588 | Public | 3.6 mi |
| Central SchoolLemont | 4–5 | 591 | Public | 2.6 mi |
| Old Quarry Middle SchLemont | 6–8 | 856 | Public | 4.1 mi |
| Lemont Twp High SchoolLemont | 9–12 | 1,284 | Public | 2.4 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Everest AcademyLemont | Pre-K–8 | 164 | Roman Catholic | 2.9 mi |
| Montessori School of LemontLemont | Pre-K–9 | 95 | Nonsectarian | 5.1 mi |
| Ss Cyril & Methodius SchoolLemont | Pre-K–8 | 178 | Roman Catholic | 2.7 mi |
| St Alphonsus/St Patrick SchoolLemont | Pre-K–8 | 153 | Roman Catholic | 2.3 mi |
| Ziburelis Lithuanian MontessoriLemont | Pre-K–K | 12 | Roman Catholic | 3.3 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Palos Park and Woodridge.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.