County · Pennsylvania · United States
Dauphin County ZIP codes
25 ZIP codes · 16 cities · FIPS 42043
Key facts
- State
- Pennsylvania (PA)
- FIPS code
- 42043
- Population
- 287,484
- Median household income
- $74,159
- Median age
- 39.4
- Land area
- 524.9 sq mi (1,359.4 km²)
- Population density
- 548 / sq mi
- Area codes
- 223, 717
Cities and ZIP codes in Dauphin County (16)
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.