Zip Code 60523 — Oak Brook, IL
60523 is a ZIP Code associated with Oak Brook, IL, located within DuPage. The postal region supports an estimated population of 10,144 residents across Data Pending housing units, with a population density of 437.4 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (41.837130, -87.954060)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 60523 |
| Primary City | Oak Brook |
| State / Province | IL |
| County | DuPage |
| Total Population | 10,144 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 437.4 people/sq mi |
| Timezone | America/Chicago |
How 60523 Compares
| Metric | ZIP 60523 | DuPage County | IL State Average |
|---|
| Population | 10,144 | 997,889 | 12,694,745 |
| Median Income | Data Pending | N/A | N/A |
| Population Density | 437.4 /sq mi | -- | -- |
Nearby ZIP Codes
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →