Irwin, PA zip code
Irwin, Pennsylvania uses one zip code: 15642. Most of it is in Westmoreland County. Together these zip codes are home to about 46K people.
Zip codes
1
Population
46K
All zips combined
Largest zip
15642
46,325 residents
Zip codes in Irwin
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 15642 | 46,325 | $97,706 |