Oak Brook, Illinois
Oak Brook is a village in DuPage County, Illinois, with an estimated population of 8,049 in 2023. It sits at 41.8364, -87.9532 in the America/Chicago time zone.
| Field | Value |
|---|---|
| Place name | Oak Brook |
| Type | village |
| State | Illinois (IL) |
| County | DuPage County |
| Population (2023 est.) | 8,049 |
| Land area | 7.98 sq mi (20.66 km²) |
| Coordinates | 41.8364, -87.9532 |
| Time zone | America/Chicago |
| ZIP codes | 60523 |
This place also extends into Cook County.
ZIP codes and area codes for Oak Brook
Oak Brook covers 1 ZIP code: 60523. Browse all ZIP codes in Illinois for the full list.
Where is Oak Brook?
Oak Brook is located in Illinois, in DuPage County. The coordinates above can be pasted directly into any map service. The nearest indexed places are listed below, which is a useful check when two states share a place name.
Nearby places
Oakbrook Terrace 2 km · ILClarendon Hills 4 km · ILHinsdale 4 km · ILWestmont 5 km · ILWestchester 5 km · ILHillside 5 km · ILWestern Springs 6 km · ILVilla Park 6 km · IL
Other places in DuPage County
Naperville 150,245Wheaton 52,938Downers Grove 49,706Elmhurst 45,336Lombard 43,779Bartlett 39,992Carol Stream 38,966Addison 35,167Woodridge 33,566Glendale Heights 32,409
Related
Frequently asked questions
What county is Oak Brook, IL in?
Oak Brook is in DuPage County, Illinois.
What is the population of Oak Brook, IL?
The 2023 Census Bureau estimate is 8,049.
What time zone is Oak Brook in?
Oak Brook is in the America/Chicago time zone.