Irwin
Borough in Westmoreland County, Pennsylvania

Irwin is a borough in Westmoreland County, Pennsylvania, with 3,902 residents (2020 Census). It sits at 1,007 ft (307 m) above sea level. The nearest town is North Irwin, 1.1 miles NW.
- 3,902residents (2020 Census)
- 1,007 ftelevation · 307 m
- 0.8 sq miland area · 2.2 km²
- 4,657 / sq mipopulation density
- 15692main ZIP code (2 in total)
About Irwin
Irwin is a borough in Westmoreland County, Pennsylvania, United States. The population was 3,902 at the 2020 census. Located 22 miles (35 km) southeast of Pittsburgh, some of the most extensive bituminous coal deposits in the commonwealth are located in Irwin. In the past, iron foundries, flour mills, car shops, facing and planing mills, electrical goods and mirror factories were based in the borough.
Text: Wikipedia · CC BY-SA 4.0
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Living in Irwin
- Median household income
- $59,963
- Median home value
- $195,500
- Median rent
- $1,002/mo
- Median age
- 38.1
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Map of Irwin
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Open in Google Maps ›Irwin, PA population
Irwin had 3,902 residents in the 2020 Census.
| 2020 Census | 3,902 |
|---|---|
| Density | 4,657 per sq mi (1,798 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Irwin at a glance
| State | Pennsylvania (PA) |
|---|---|
| County | Westmoreland County |
| Type | Borough |
| Population | 3,902 (2020) |
| Land area | 0.84 sq mi (2.2 km²) |
| Elevation | 1,007 ft (307 m) |
| Coordinates | 40.3251° N, 79.6998° W |
| ZIP codes | 15692, 15642 |
| Official website | downtownirwin.com |
| Census code (GEOID) | 4237208 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Irwin
- North Irwin1.1 mi NW
- North Huntingdon1.8 mi W
- Manor2.2 mi NE
- Adamsburg2.5 mi E
- Penn3.1 mi E
- Harrison City3.3 mi NE
- Herminie4.3 mi S
- Jeannette4.5 mi E
- Arona4.6 mi SE
- Level Green4.6 mi N
- Grapeville4.9 mi E
- Trafford5.1 mi NW
Straight-line distance between town centers.
Frequently asked questions about Irwin
What county is Irwin in?
Irwin is in Westmoreland County, Pennsylvania.
What is the population of Irwin, PA?
3,902 people lived in Irwin at the 2020 Census.
What is the ZIP code of Irwin, PA?
The main ZIP code is 15692. Other ZIP codes: 15642.
What is the elevation of Irwin?
1,007 feet (307 m) above sea level.
What towns are near Irwin?
North Irwin (1.1 mi), North Huntingdon (1.8 mi), Manor (2.2 mi), Adamsburg (2.5 mi), Penn (3.1 mi).
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