State: Pennsylvania
County: Westmoreland County
Close cities: Penn, PA, Keesport, PA, Wendel, PA, Larimer, PA, North Irwin, PA, Harrison City, PA, Westmoreland City, PA, Rillton, PA, Adamsburg, PA, Manor, PA, Ardara, PA
Irwin Population (census data)| Total | 4,073 (-5.9% since 2000) |
| Male | 1,905 (46.8%) |
| Female | 2,168 (53.2%) |
Population Density: 4,615 people per sq. mile
Cost of Living Index: 79.7 (US Avg is 100)
Irwin Elevation: 992 feet above sea level
Incorporated in 1864
Land Area: 0.88 square miles
Median Household Income: $40,660
Zip Codes:
15642.