Lockport is a city in Will County, Illinois, home to about 26,409 people across 12 square miles. Its ZIP code is 60441, and parts of 60491 are in Lockport too.
Homes sold for a median of $215 per square foot in the three months ending August 2026, a seller’s market.
Mostly Lockport; also Crest Hill and Romeoville
Mostly Homer Glen; part is in Lockport
Each card is that ZIP code’s whole market, including any part outside Lockport. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Lockport’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Lockport well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Chicago Midway International Airport (MDW)20 miles away |
|---|---|
| Nearest city of 250,000+ | Chicago, IL25 miles away |
Straight-line distances from the center of Lockport; 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.
Lockport had 26,094 residents in the 2020 census, up 72% since 2000.
It’s the 84th largest of 1,450 towns in Illinois by population.
Will County grew from 74,764 residents in 1900 to 696,355 in 2020.
Will County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 85°F in summer, and winter lows average 16°F. About 41.3 inches of rain and melted snow fall in a typical year, with about 33 inches of snow.
Source: NOAA 1991–2020 climate normals, Romeoville Wfo, IL weather station (2 miles away).
267,545 jobs at 17,085 businesses in Will County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
152 doctors and other health care providers list an office in Lockport.
Nearest hospitals
Providers with an office here
| Primary care doctors | 12 |
|---|---|
| Specialist doctors | 7 |
| Dentists | 19 |
| Nurse practitioners and physician assistants | 22 |
| Mental health providers | 38 |
| Physical and occupational therapists | 39 |
| Optometrists | 4 |
| Chiropractors | 11 |
| Pharmacies | 6 |
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 (17 nearby)
Grocery stores (4 nearby)
Pharmacies (2 nearby)
Libraries (1 nearby)
Museums (3 nearby)
Theaters and performance venues (2 nearby)
Counts are within about 2.5 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 1853.
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 Fairmont SD 89, Lockport SD 91, Taft SD 90 and others. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Fairmont SchoolLockport | Pre-K–8 | 300 | Public | 2.2 mi |
| Milne Grove Elem SchoolLockport | Pre-K–3 | 233 | Public | 0.3 mi |
| Taft Grade SchoolLockport | Pre-K–8 | 272 | Public | 1.1 mi |
| Walsh Elem SchoolLockport | Pre-K–1 | 363 | Public | 0.9 mi |
| William J Butler SchoolLockport | 2–4 | 557 | Public | 1.4 mi |
| Kelvin Grove Jr High SchoolLockport | 4–8 | 260 | Public | 0.4 mi |
| Ludwig Elem SchoolLockport | 4–5 | 321 | Public | 0.8 mi |
| Lockport Township High Sch EastLockport | 9–12 | 3,678 | Public | 0.8 mi |
| LASEC AcademyLockport | — | — | Special Education | 0.4 mi |
| LASEC-CAD ProgramLockport | — | — | Special Education | 0.4 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Bobbie Noonans Child Care CenterLockport | Pre-K–K | 7 | Nonsectarian | 0.8 mi |
| Lupine Montessori SchoolLockport | Pre-K–9 | 65 | Nonsectarian | 1.0 mi |
| St Dennis and Joseph Catholic AcademyLockport | Pre-K–8 | 169 | Roman Catholic | 0.8 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 Homer Glen, Crest Hill, Romeoville, Fairmont, Lockport Heights, Bonnie Brae and New Lenox.
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.