County · Illinois · United States
DuPage County ZIP codes
36 ZIP codes · 32 cities · FIPS 17043
Key facts
- State
- Illinois (IL)
- FIPS code
- 17043
- Population
- 927,263
- Median household income
- $110,502
- Median age
- 40
- Land area
- 327.8 sq mi (849 km²)
- Population density
- 2,829 / sq mi
- Area codes
- 224, 312, 331, 464, 618, 630, 708, 779, 815, 847
Cities and ZIP codes in DuPage County (32)
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.