Lockport city, Illinois
Official LSAD Designation: Lockport city • Census GEOID: 1744225
• Will County
Lockport city is an incorporated city in Will County, Illinois. According to official records from the Census (2025), Lockport city had an estimated population of 27,822 residents. Official Census Bureau geographic records classify this community under LSAD designation Lockport city (GEOID 1744225).
Local Government Administration U.S. Census Bureau GMAF
City Of Lockport
Municipal
Official Title:
Director Of Finance
Address:
222 E 9TH ST, FL 2, LOCKPORT IL 60441-3464
County Of Will
County
Official Title:
Accounting Manager
Address:
302 N CHICAGO ST, JOLIET IL 60432-4059
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 27,822 | 2025 |
| Median Household Income | $111,981 | 2020-2024 |
| Median Home Value | $316,000 | 2020-2024 |
| Land Area | 11.81 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).