| City : | North Irwin Borough |
| County : | Westmoreland County |
| State : | Pennsylvania (PA) |
| | |
| Land Area : | 0.20 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 40.3389424 |
| Longitude : | -79.7114428 |
| | |
| Population (2010): | 846 |
| Population Estimate (2012) : | 773 |
| Population Density : | 4,183.20/sq mi |
| Housing Units (2012) : | 392 |
| Median Household Income (2012) : | $41,442 (Pennsylvania : $52,267, USA : $53,046) |
| Median Family Income (2012) : | $49,167 (Pennsylvania : $65,980, USA : $64,585) |
| Median House Price (2012) : | $92,400 (Pennsylvania : $164,900, USA : $181,400) |