Smithfield, PA zip code
Smithfield, Pennsylvania uses one zip code: 15478. Most of it is in Fayette County. Together these zip codes are home to about 5.6K people.
Zip codes
1
Population
5.6K
All zips combined
Largest zip
15478
5,560 residents
Zip codes in Smithfield
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 15478 | 5,560 | $67,449 |