Census place · GEOID 1754534 · DuPage County
Oak Brook, IL ZIP codes
3 ZIP/ZCTAs intersecting this Census place in DuPage County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Oak Brook (GEOID 1754534). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 58,356 (3 ZIPs).
Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology
Map of Oak Brook, IL

ZIP/ZCTA overlap with Oak Brook
Population overlap
Share of each ZIP/ZCTA’s population located within Oak Brook, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Oak Brook
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 60181 | Villa Park | DuPage County | 30,247 | $90,375 |
| 60521 | Hinsdale | DuPage County | 18,097 | $244,318 |
| 60523 | Oak Brook | DuPage County | 10,012 | $114,418 |
USPS associates these ZIPs with Oak Brook
These codes list Oak Brook as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 60522 | Hinsdale | Dupage County | 350 | — |
| 60570 | Hinsdale | Dupage County | — | — |