County · Pennsylvania · United States
Delaware County ZIP codes
41 ZIP codes · 41 cities · FIPS 42045
Key facts
- State
- Pennsylvania (PA)
- FIPS code
- 42045
- Population
- 576,195
- Median household income
- $88,576
- Median age
- 39
- Land area
- 183.8 sq mi (476.1 km²)
- Population density
- 3,135 / sq mi
- Area codes
- 215, 267, 445, 484, 570, 610, 724, 835, 878
Cities and ZIP codes in Delaware County (41)
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.