Irwin township Flag

Irwin township

County Seat:
No
Area (mi²):
30.301
State:
Pennsylvania

Irwin township is located in Westmoreland County, Pennsylvania. Irwin township has a 2025 population of 1,212. Irwin township is currently declining at a rate of -0.57% annually and its population has decreased by -3.04% since the most recent census, which recorded a population of 1,250 in 2020.

The average household income in Irwin township is $88,932 with a poverty rate of 5.44%.The median age in Irwin township is 45.6 years: 45.4 years for males, and 46.6 years for females.

1.2K
Total Population
40
Density (mi²)
-7 -0.57%
Growth

Irwin township Population

Irwin township Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Irwin township includes 95.45% White, and smaller percentages for other race and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White1,26095.45%
Two or more races574.32%
Other race30.23%

Irwin township Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Irwin township's average per capita income is $47,436. Household income levels show a median of $69,615. The poverty rate stands at 5.44%.

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$90,833-
Families$80,893$95,336
Households$69,615$88,932
Non Families$62,083$72,332

$47,436

Average Income

$69,615

Median Household Income

5.44%

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)