County · Pennsylvania · United States
Franklin County ZIP codes
28 ZIP codes · 27 cities · FIPS 42055
Key facts
- State
- Pennsylvania (PA)
- FIPS code
- 42055
- Population
- 156,626
- Median household income
- $74,946
- Median age
- 42.2
- Land area
- 772.3 sq mi (2,000.3 km²)
- Population density
- 203 / sq mi
- Area codes
- 223, 582, 717, 814
Cities and ZIP codes in Franklin County (27)
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.