Oak Brook village, Illinois
Official LSAD Designation: Oak Brook village • Census GEOID: 1754534
• Cook County / DuPage County
Oak Brook village is an incorporated village in Cook County, DuPage County, Illinois. According to official records from the Census (2025), Oak Brook village had an estimated population of 8,108 residents. Official Census Bureau geographic records classify this community under LSAD designation Oak Brook village (GEOID 1754534).
Local Government Administration U.S. Census Bureau GMAF
Village Of Oak Brook
Municipal
Official Title:
Treasurer Finance Director
Address:
1200 OAK BROOK RD, OAK BROOK IL 60523-2203
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 | 8,108 | 2025 |
| Median Household Income | $175,870 | 2020-2024 |
| Median Home Value | $903,200 | 2020-2024 |
| Land Area | 7.99 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).