North Irwin Flag

North Irwin

County Seat:
No
Area (mi²):
0.202
State:
Pennsylvania

North Irwin is a borough located in Allegheny County, Pennsylvania. North Irwin has a 2026 population of 808. North Irwin is currently declining at a rate of -0.25% annually and its population has decreased by -1.7% since the most recent census, which recorded a population of 822 in 2020.

The median household income in North Irwin is $49,063 with a poverty rate of 9.89%. The median age in North Irwin is 37.6 years: 34.8 years for males, and 40.6 years for females. For every 100 females there are 101.3 males.

808
Total Population
3,995
Density (mi²)
-2 -0.25%
Growth

North Irwin Population

North Irwin Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026808-2-0.25%
2025810-3-0.37%
2024813-2-0.25%
202381540.49%
2022811-7-0.86%
2021818-4-0.49%
2020822-1-0.12%
2019787-4-0.51%
2018791-5-0.63%
2017796-10-1.24%
2016806-6-0.74%
2015812-6-0.73%
2014818-6-0.73%
2013824-6-0.72%
2012830-5-0.6%
2011835-11-1.3%
2010839-1-0.12%

Median Age

Overall: 37.6 years
Female: 40.6 years
Male: 34.8 years

North Irwin Adults

There are 687 adults, (172 of whom are seniors) in North Irwin.

Sex Ratio

Female: 397 (49.7%)
Male: 402 (50.3%)

Demographics

The racial composition of North Irwin includes 93.62% White, and smaller percentages for other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White74893.62%
Two or more races496.13%
Other race20.25%
Race
Population ↓
Percentage (of total)
Two or more races121.5%
Other race20.25%
Race
Population ↓
Percentage (of total)
White74893.62%
Two or more races374.63%

North Irwin Marital Status

Economics and Income Statistics

North Irwin 's average per capita income is $39,375. Household income levels show a median of $49,063. The poverty rate stands at 9.89%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$100,104-
Families$75,417$94,624
Households$49,063$68,648
Non Families$29,792$39,579

$39,375

Average Income

$49,063

Median Household Income

9.89%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)