County · Pennsylvania · United States
Lehigh County ZIP codes
28 ZIP codes · 22 cities · FIPS 42077
Key facts
- State
- Pennsylvania (PA)
- FIPS code
- 42077
- Population
- 375,408
- Median household income
- $77,493
- Median age
- 39.3
- Land area
- 345.3 sq mi (894.4 km²)
- Population density
- 1,087 / sq mi
- Area codes
- 484, 610, 835
Cities and ZIP codes in Lehigh County (22)
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.