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| Irwin, Pennsylvania | |
|---|---|
| Borough | |
| Country | United States |
| State | Pennsylvania |
| County | Westmoreland |
| Settled | September 1853 |
| Incorporated | November 14, 1864 |
| Area | |
| • Total | 0.84 sq mi (2.17 km2) |
| • Land | 0.84 sq mi (2.17 km2) |
| • Water | 0.00 sq mi (0.00 km2) |
| Elevation | 1,007 ft (307 m) |
| Population (2010) | |
| • Total | 3,973 |
| • Density | 4,520.91/sq mi (1,745.99/km2) |
| Time zone | Eastern (EST) (UTC-5) |
| • Summer (DST) | EDT (UTC-4) |
| Zip code | 15642 |
| Area code(s) | 724 Exchanges: 861,863,864 |
| Website | http://www.downtownirwin.com |
| For infobox source see[1] | |