The Town Files

Irwin, Pennsylvania

Borough in Westmoreland County · population 3,902 (2020 Census)

Map: where Irwin is in PennsylvaniaIrwin
Median home
$195,500
Household income
$59,963
Jan low / Jul high
22° / 86°
Snow a year
25 in
Tornadoes ≤10 mi since 1950
24
Median age
38.1

Irwin is a borough of 3,902 people in Westmoreland County, Pennsylvania. The median home is worth $195,500, below the typical Pennsylvania town ($214,250). It ranks hipper than 100% of Pennsylvania towns, more vibrant than 95% of Pennsylvania towns, more walkable than 94% of Pennsylvania towns.

Irwin in our rankings:

How Irwin ranks

Percentile among Pennsylvania towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of Pennsylvania towns.

Irwin lifestyle rankings vs other Pennsylvania townsRetirement84th pctFamilies13th pctQuiet15th pctWalkability94th pctFirst-time buyersbottomYoung professionals93rd pctVibrancy95th pctHip & trendy100th pctCollege town61st pctUpscale68th pctVacation homesbottomSeaside characterbottomCyclingbottomTransit80th pctDriving65th pcttypical
The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025).

Homes and cost of living

The median home in Irwin is worth $195,500, below the typical Pennsylvania town ($214,250). Homes cost about 3.3 times the median household income of $59,963, which is more affordable than 29% of Pennsylvania towns. Median rent is $1,002 a month. 43.1% of households own their home.

Irwin vs Westmoreland County vs typical Pennsylvania townIrwinWestmoreland CountyTypical Pennsylvania townHome value$195,500$203,500$214,250Household income$59,963$74,109$75,278Monthly rent$1,002$879$996
Census ACS 5-year estimates, 2020–2024. "Typical town" = median of Pennsylvania towns with 500+ people.
HousingIrwinTypical Pennsylvania town
Median home value$195,500$214,250
Median rent$1,002$996
Median household income$59,963$75,278
Home value ÷ income3.3×2.8×
Homeownership43.1%81.5%
Median year built19541971
Seasonal / vacation homes0.0%—

Who lives in Irwin

PeopleIrwinTypical Pennsylvania town
Median age38.144.2
Age 65 and over15.6%21.1%
Under 1819.7%—
Bachelor's degree or higher35.8%23.8%
Below the poverty line13.5%8.5%
Veterans5.5%—
Born outside the U.S.2.4%—
Work from home9.0%10.6%
Average commute26.7 min25.9 min
Homes with broadband86.8%89.0%

Weather in Irwin

July highs average 85.8°F and January lows 21.5°F. About 43.6 inches of rain and melted snow fall a year, with 25.0 inches of snow (typical Pennsylvania town: 31.8 in). Expect about 27 days a year at 90°F or hotter and 129 nights at or below freezing.

Irwin monthly temperatures and precipitation20°30°40°50°60°70°80°90°32° freezing38°22°Jan41°22°Feb50°29°Mar64°39°Apr74°51°May83°59°Jun86°64°Jul84°62°Aug77°55°Sep65°43°Oct52°33°Nov41°27°DecPrecipitation (in) · snow (in) in blue3.210.22.85.63.33.03.80.24.14.64.84.23.43.42.90.73.25.3
NOAA 1991–2020 climate normals: average daily high and low by month; precipitation and snowfall in inches. Temperatures from the Murrysville 2 Sw station (6.1 mi away).

Tornadoes, storms and disasters

24 tornadoes have passed within 10 miles of Irwin since 1950, compared with 10 for the typical Pennsylvania town. 9 rated (E)F2 or stronger. The strongest, an F3, struck on August 3, 1963 about 9.5 miles from the town center and killed 2. Tornadoes within 10 miles have caused 2 deaths and 139 injuries since 1950. The most recent was on June 26, 2024.

Tornadoes within 10 miles of Irwin by decade21950s21960s21970s21980s61990s12000s42010s52020s
NOAA Storm Events Database, tornado tracks (start to end point) passing within 10 miles of the town center, 1950–2026.

Hail of 1 inch or larger has been reported within 10 miles 86 times; the largest was 2.00 inches on July 4, 2012.

Severe weather in Westmoreland County since 1996

Storm events in Westmoreland County since 1996 by typeHail249Flood84Tornado29High Wind18Lightning13Heavy Rain18Heavy Snow23Flash Flood246
NOAA Storm Events Database, Westmoreland County, 1996–2026 (all event types recorded since 1996). 6 deaths recorded.

Westmoreland County has been included in 20 federal disaster or emergency declarations since 1953, most often for flood, tornado, hurricane.

DeclaredIncidentDeclaration
March 30, 2020BiologicalDR-4506: Covid-19 Pandemic
March 13, 2020BiologicalEM-3441: Covid-19
March 23, 2016SnowstormDR-4267: Severe Winter Storm And Snowstorm
October 29, 2012HurricaneEM-3356: Hurricane Sandy
April 16, 2010SnowstormDR-1898: Severe Winter Storms And Snowstorms

Jobs and pay in Westmoreland County

Westmoreland County had 129,350 jobs in 2024, paying an average of $56,519 a year. Unemployment was 3.5% in 2023; in Irwin itself the ACS puts it at 2.7%.

Largest industries in Westmoreland CountyHealth care & social assistan…19,201 jobs · $56,460Manufacturing17,674 jobs · $74,443Retail16,988 jobs · $37,439Hotels & restaurants12,873 jobs · $20,422Transportation & warehousing7,905 jobs · $60,029Construction6,945 jobs · $71,023
BLS Quarterly Census of Employment and Wages, 2024, private-sector jobs and average annual pay.
Unemployment rate in Westmoreland County, 2000–20230%2%4%6%8%10%2000200420082012201620202023Westmoreland 3.5%
Annual average unemployment rate (BLS Local Area Unemployment Statistics via USDA ERS).

Public schools in Irwin

3 public schools with 1,484 students, about 12.4 students per teacher.

SchoolGradesStudentsPer teacher
West Hempfield MS6-855911.2
West Hempfield El SchPK-550412.0
Sunrise El SchK-542115.0

Towns near Irwin

Irwin questions

Is Irwin, Pennsylvania a good place to retire?

On The Town Files lifestyle rankings, Irwin scores better for retirees than 84% of Pennsylvania towns and quieter than 15%. 15.6% of residents are 65 or older (median age 38.1).

How much does a house cost in Irwin?

The median owner-occupied home in Irwin is valued at $195,500 (Census ACS 2020–2024), against a median household income of $59,963, so homes cost about 3.3 times income. Median rent is $1,002 a month.

What is the weather like in Irwin?

July highs average 85.8°F and January lows 21.5°F (NOAA 1991–2020 normals). It gets about 43.6 inches of precipitation a year and 25.0 inches of snow.

Does Irwin get tornadoes?

24 tornadoes have passed within 10 miles of Irwin since 1950 (NOAA Storm Events); the strongest was a F3 on August 3, 1963. The typical Pennsylvania town has had 10.

How this page is made. Every number comes from public data, matched to Irwin's Census boundary (GEOID 4237208). Comparisons use the median of Pennsylvania towns with at least 500 people. Weather comes from the nearest NOAA normals station; storm counts use NOAA tornado tracks within 10 miles of the town center. Data snapshot 2026-11-12.