Irwin Flag

Irwin

County Seat:
No
Area (mi²):
0.837
State:
Pennsylvania

Irwin is a borough located in Westmoreland County, Pennsylvania. Irwin has a 2026 population of 3,757. Irwin is currently declining at a rate of -0.53% annually and its population has decreased by -3.15% since the most recent census, which recorded a population of 3,879 in 2020.

The median household income in Irwin is $59,963 with a poverty rate of 13.49%. The median age in Irwin is 38.1 years: 34.9 years for males, and 38.5 years for females. For every 100 females there are 61.4 males.

3.8K
Total Population
4,490
Density (mi²)
-20 -0.53%
Growth

Irwin Population

Irwin Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20263,757-20-0.53%
20253,777-21-0.55%
20243,798-13-0.34%
20233,811-16-0.42%
20223,827-34-0.88%
20213,861-18-0.46%
20203,879-6-0.15%
20193,749-26-0.69%
20183,775-25-0.66%
20173,800-36-0.94%
20163,836-32-0.83%
20153,868-30-0.77%
20143,898-27-0.69%
20133,925-20-0.51%
20123,945-26-0.65%
20113,971-17-0.43%
20103,988150.38%
20004,366-238-5.17%
19904,604-391-7.83%
19804,99593623.06%
19704,059-211-4.94%
19604,270420.99%
19504,22878722.87%
19403,441-2-0.06%
19303,4432086.43%
19203,23534912.09%
19102,88600%

Median Age

Overall: 38.1 years
Female: 38.5 years
Male: 34.9 years

Irwin Adults

There are 3,078 adults, (599 of whom are seniors) in Irwin.

Sex Ratio

Female: 2,373 (61.9%)
Male: 1,458 (38.1%)

Demographics

The racial composition of Irwin includes 90.84% White, and smaller percentages for other race, Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White3,48090.84%
Two or more races2646.89%
Other race621.62%
Black or African American250.65%
Race
Population ↓
Percentage (of total)
White731.91%
Two or more races150.39%
Race
Population ↓
Percentage (of total)
White3,40788.93%
Two or more races2496.5%
Other race621.62%
Black or African American250.65%

Irwin Marital Status

Economics and Income Statistics

Irwin 's average per capita income is $53,106. Household income levels show a median of $59,963. The poverty rate stands at 13.49%.

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$115,417-
Families$84,709$99,968
Households$59,963$78,762
Non Families$52,214$60,706

$53,106

Average Income

$59,963

Median Household Income

13.49%

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)