Irwin township

County:: Westmoreland County
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.

Demographics

The racial composition of Irwin township includes 95.45% White, and smaller percentages for other race, Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	1,260	95.45%
Two or more races	57	4.32%
Other race	3	0.23%
Black or African American	0	0%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

Irwin township Marital Status

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