Oak Brook, Illinois
Oak Brook, Illinois | |
|---|---|
| Village of Oak Brook | |
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Flag Seal | |
Location of Oak Brook in DuPage and Cook Counties, Illinois | |
| Coordinates: 41°50′14″N 87°57′06″W / 41.83722°N 87.95167°W | |
| Country | United States |
| State | Illinois |
| Counties | DuPage, Cook |
| Townships | York, Downers Grove, Proviso |
| Incorporated | 1958 |
| Government | |
| • Type | Council–manager |
| Area | |
• Total | 8.30 sq mi (21.49 km2) |
| • Land | 7.98 sq mi (20.66 km2) |
| • Water | 0.32 sq mi (0.83 km2) |
| Elevation | 666 ft (203 m) |
| Population (2020) | |
• Total | 8,163 |
| • Density | 1,023.4/sq mi (395.15/km2) |
| Time zone | UTC-6 (CST) |
| • Summer (DST) | UTC-5 (CDT) |
| ZIP Code | 60523 |
| Area codes | 630 and 331 |
| FIPS code | 17-54534 |
| GNIS feature ID | 2399533 |
Oak Brook is a village in DuPage County, Illinois, with a very small portion in Cook County. The population was 8,163 at the 2020 census.
A suburb of Chicago, it contains the headquarters of Ace Hardware, Portillo's Restaurants, Blistex, Federal Signal, CenterPoint Properties, Sanford L.P., TreeHouse Foods, Lions Clubs International, the U.S. Census Bureau Chicago regional office, and former headquarters of McDonald's and Ferrara Candy. The Lizzadro Museum of Lapidary Art moved there in 2019.