Oak Brook, IL ZIP code
The ZIP code for Oak Brook, Illinois is 60523. It is in DuPage County.
- Population in these ZIPs
- 10,144
- Avg. median income
- $118,200population-weighted
- Typical home value
- $1,008,700population-weighted
- Metro area
- Chicago-Naperville-Elgin, IL-IN
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Oak Brook, IL ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 60523 | 10,144 | $118,194 | $1,008,700 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Oak Brook
- Clarendon Hills 3 mi
- Villa Park 3 mi
- Hinsdale 3 mi
- Westmont 3 mi
- Westchester 3 mi
- Hillside 3 mi
- La Grange Park 4 mi
- Western Springs 4 mi
- Berkeley 4 mi
- Elmhurst 4 mi
- Lombard 4 mi
- Downers Grove 5 mi
Frequently asked questions
What is the ZIP code for Oak Brook, IL?
The ZIP code for Oak Brook, IL is 60523.
What county is Oak Brook, Illinois in?
Oak Brook ZIP codes are in DuPage County.