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 2026 population of 1,232. Irwin township is currently growing at a rate of 0.16% annually but its population has decreased by -1.52% since the most recent census, which recorded a population of 1,251 in 2020.

The median household income in Irwin township is $69,231 with a poverty rate of 6.18%. The median age in Irwin township is 47.6 years: 49.4 years for males, and 46.6 years for females. For every 100 females there are 108.2 males.

1.2K
Total Population
41
Density (mi²)
2 0.16%
Growth

Irwin township Population

Irwin township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20261,23220.16%
20251,23020.16%
20241,22820.16%
20231,226-6-0.49%
20221,232-10-0.81%
20211,242-9-0.72%
20201,251-2-0.16%
20191,258-11-0.87%
20181,269-14-1.09%
20171,283-20-1.53%
20161,303-14-1.06%
20151,317-13-0.98%
20141,330-14-1.04%
20131,344-12-0.88%
20121,356-13-0.95%
20111,369-22-1.58%
20101,381-1-0.07%

Median Age

Overall: 47.6 years
Female: 46.6 years
Male: 49.4 years

Irwin township Adults

There are 1,111 adults, (260 of whom are seniors) in Irwin township.

Sex Ratio

Female: 635 (48%)
Male: 687 (52%)

Demographics

The racial composition of Irwin township includes 92.59% White, and smaller percentages for other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White1,22492.59%
Two or more races957.19%
Other race30.23%
Race
Population ↓
Percentage (of total)
Two or more races604.54%
White70.53%
Race
Population ↓
Percentage (of total)
White1,21792.06%
Two or more races352.65%
Other race30.23%

Irwin township Marital Status

Economics and Income Statistics

Irwin township 's average per capita income is $48,429. Household income levels show a median of $69,231. The poverty rate stands at 6.18%.

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$84,375-
Families$80,125$98,332
Households$69,231$86,537
Non Families$45,417$56,214

$48,429

Average Income

$69,231

Median Household Income

6.18%

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)