The latitude and longitude of Oak Brook, Illinois is:

41° 50' 28" N

/ 87° 56' 57" W

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Oak Brook, IL

Do you live in Oak Brook, Illinois? Help us verify the data and let us know if you see any information that needs to be changed or updated.

County: DuPage County

State: Illinois

Country: United States

Latitude: 41.841291

Longitude: -87.949216

Time zone: America/Chicago

Current time zone offset: UTC/GMT -5 hours

The current time and date in Oak Brook is 7:23 AM on Friday, August 1, 2025.

Local map of Oak Brook

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