City
Irwin, PA
Westmoreland County, Pennsylvania · Population 3,831 · 1 ZIP code
Population
3,831
Safety Score
50
50
Average
Livability
50
50
Average
Median Home Price
N/A
Loading map…
About Irwin
Irwin is a city located in Westmoreland County, Pennsylvania. With a population of 3,831, it spans 1 ZIP code.