Oak Forest city, Illinois
Official LSAD Designation: Oak Forest city • Census GEOID: 1754638
• Cook County
Oak Forest city is an incorporated city in Cook County, Illinois. According to official records from the Census (2025), Oak Forest city had an estimated population of 26,792 residents. Official Census Bureau geographic records classify this community under LSAD designation Oak Forest city (GEOID 1754638).
Local Government Administration U.S. Census Bureau GMAF
City Of Oak Forest
Municipal
Official Title:
City Clerk
Address:
15440 CENTRAL AVE, OAK FOREST IL 60452-2195
County Of Cook
County
Official Title:
Comptroller
Address:
118 N CLARK ST, ROOM 1127, CHICAGO IL 60602-1394
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 26,792 | 2025 |
| Median Household Income | $91,990 | 2020-2024 |
| Median Home Value | $255,100 | 2020-2024 |
| Land Area | 6.05 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).