North Irwin is a borough located in Allegheny County, Pennsylvania. North Irwin has a 2025 population of 810 . North Irwin is currently declining at a rate of -0.37% annually and its population has decreased by -1.46% since the most recent census, which recorded a population of 822 in 2020.
The average household income in North Irwin is $69,829 with a poverty rate of 8.05%. The median age in North Irwin is 39 years: 38.2 years for males, and 42.3 years for females. For every 100 females there are 105.2 males.
Data after 2023 is projected based on recent change
The racial composition of North Irwin includes 95.84% White, and smaller percentages for other race and multiracial populations.
White (95.84%)
Two or more races (3.49%)
Other race (0.67%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 714 | 95.84% |
| Two or more races | 26 | 3.49% |
| Other race | 5 | 0.67% |
Married
Widowed
Divorced
Separated
Never Married
North Irwin's average per capita income is $41,458. Household income levels show a median of $52,798. The poverty rate stands at 8.05%.
Name | Median | Mean |
|---|---|---|
| Married Families | $96,719 | - |
| Families | $74,688 | $97,612 |
| Households | $52,798 | $69,829 |
| Non Families | $36,667 | $42,783 |
Average Income
Median Household Income
Poverty Rate