Lehigh County, Pennsylvania
Lehigh County is a county in Pennsylvania. Its county FIPS code is 42077. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 42077
- Representative coordinates
- 40.614241, -75.590627
- County type
- County
- County seat or government
- Allentown
- Resident population, July 2025
- 384,383
- Land area
- 894.415 km²
- Water area
- 7.451 km²
- State
- Pennsylvania
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Lehigh County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| America/New_York | UTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Listed zones overlap the mapped area. A point lookup can distinguish sides of a boundary. Your device’s zone may differ.
Census ZIP areas
18011 · 18015 · 18017 · 18018 · 18031 · 18032 · 18034 · 18036 · 18037 · 18041 · 18046 · 18049 · 18051 · 18052 · 18053 · 18059 · 18062 · 18065 · 18066 · 18069 · 18078 · 18079 · 18080 · 18087 · 18092 · 18101 · 18102 · 18103 · 18104 · 18106 · 18109 · 18195 · 18951 · 19529 · 19530 · 19539
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.
Official county information
Lehigh County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
Cities, towns and communities
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Alburtis borough, PA
- Allentown city, Pennsylvania
- Ancient Oaks CDP, PA
- Bethlehem city, Pennsylvania
- Breinigsville CDP, PA
- Catasauqua borough, PA
- Cementon CDP, PA
- Cetronia CDP, PA
- Coopersburg borough, PA
- Coplay borough, PA
- DeSales University CDP, PA
- Dorneyville CDP, PA
- Egypt CDP, PA
- Emmaus borough, PA
- Fountain Hill borough, PA
- Fullerton CDP, PA
- Hokendauqua CDP, PA
- Laurys Station CDP, PA
- Macungie borough, PA
- New Tripoli CDP, PA
- Schnecksville CDP, PA
- Slatedale CDP, PA
- Slatington borough, PA
- Stiles CDP, PA
- Trexlertown CDP, PA
- Wescosville CDP, PA
Areas sharing the mapped boundary
These areas touch this mapped boundary.
Before using this answer on a form
Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.
Find the county at your current point, check its ZIP area, or find its physical time zone.