Irwin, Pennsylvania
Irwin is a borough in Westmoreland County, Pennsylvania, with an estimated population of 3,813 in 2023. It sits at 40.3251, -79.6998 in the America/New_York time zone.
| Field | Value |
|---|---|
| Place name | Irwin |
| Type | borough |
| State | Pennsylvania (PA) |
| County | Westmoreland County |
| Population (2023 est.) | 3,813 |
| Land area | 0.84 sq mi (2.17 km²) |
| Coordinates | 40.3251, -79.6998 |
| Time zone | America/New_York |
| ZIP codes | 15642 |
ZIP codes and area codes for Irwin
Irwin covers 1 ZIP code: 15642. Browse all ZIP codes in Pennsylvania for the full list.
Where is Irwin?
Irwin is located in Pennsylvania, in Westmoreland County. The coordinates above can be pasted directly into any map service. The nearest indexed places are listed below, which is a useful check when two states share a place name.
Nearby places
North Irwin 2 km · PAManor 3 km · PAPenn 5 km · PAJeannette 7 km · PAArona 7 km · PATrafford 8 km · PAWhite Oak 8 km · PAMadison 9 km · PA
Other places in Westmoreland County
Murrysville 20,745Greensburg 14,603New Kensington 11,911Lower Burrell 11,561Jeannette 8,591Latrobe 7,922Monessen 6,723Vandergrift 4,958Arnold 4,676Scottdale 4,337
Frequently asked questions
What county is Irwin, PA in?
Irwin is in Westmoreland County, Pennsylvania.
What is the population of Irwin, PA?
The 2023 Census Bureau estimate is 3,813.
What time zone is Irwin in?
Irwin is in the America/New_York time zone.