Franklin County, Pennsylvania
Franklin County is a county in Pennsylvania. Its county FIPS code is 42055. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 42055
- Representative coordinates
- 39.926772, -77.724521
- County type
- County
- County seat or government
- Chambersburg
- Resident population, July 2025
- 160,652
- Land area
- 2,000.193 km²
- Water area
- 1.553 km²
- State
- Pennsylvania
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Franklin 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
17021 · 17201 · 17202 · 17210 · 17214 · 17217 · 17219 · 17220 · 17221 · 17222 · 17224 · 17225 · 17232 · 17235 · 17236 · 17237 · 17240 · 17244 · 17246 · 17247 · 17250 · 17251 · 17252 · 17254 · 17257 · 17261 · 17262 · 17263 · 17265 · 17268 · 17271
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.
Official county information
Use the US government local-office directory ↗ to find the office responsible for your address. A county website has not been confidently matched here. 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.
- Blue Ridge Summit CDP, PA
- Chambersburg borough, PA
- Fayetteville CDP, PA
- Fort Loudon CDP, PA
- Greencastle borough, PA
- Guilford CDP, PA
- Marion CDP, PA
- Mercersburg borough, PA
- Mont Alto borough, PA
- Orrstown borough, PA
- Pen Mar CDP, PA
- Rouzerville CDP, PA
- Scotland CDP, PA
- Shippensburg borough, PA
- State Line CDP, PA
- Wayne Heights CDP, PA
- Waynesboro borough, 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.