Townapedia
Irwin, Pennsylvania
Irwin, Pennsylvania · André Carrotflower, CC BY-SA 2.0
FULLERTON INN, WESTMORELAND COUNTY, PA
FULLERTON INN, WESTMORELAND COUNTY, PA · JERRYE AND ROY KLOTZ MD, CC BY-SA 3.0
Brush creek salems church
Brush creek salems church · Matthew Newberg, CC BY-SA 3.0
Sewickley Manor Pa 2011-a
Sewickley Manor Pa 2011-a · Canadian2006, CC BY-SA 3.0
BRUSH HILL, WESTMORELAND COUNTY, PA
BRUSH HILL, WESTMORELAND COUNTY, PA · JERRYE & ROY KLOTZ MD, CC BY-SA 3.0
William Larimer, Sr House-0160
William Larimer, Sr House-0160 · Matthew Newberg, CC BY-SA 3.0

Irwin, Pennsylvania

Irwin is a borough of 3,831 people in Westmoreland County, Pennsylvania, founded in September 1853.

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Population3,831 +0.9% since 2019
Elevation1,007 ft 307 m
FoundedSeptember 1853
Land area0.8 sq mi
ZIP code15642
Nearest airportAllegheny County Airport (AGC) 12 mi

Why visit Irwin

Townapedia lists 9 museums and landmarks, 7 parks and trails, 29 places to eat, 2 places to stay and 3 attractions in and around town.

Highlights include Andrew and Jennie McFarlane House and Brush Hill.

July is the warmest month, with average highs of 86°F; January lows average 22°F, and about 25 inches of snow fall in a normal year.

About Irwin

Irwin is a borough in Westmoreland County, Pennsylvania, United States. The population was 3,902 at the 2020 census. Located 22 miles (35 km) southeast of Pittsburgh, some of the most extensive bituminous coal deposits in the commonwealth are located in Irwin. In the past, iron foundries, flour mills, car shops, facing and planing mills, electrical goods and mirror factories were based in the borough.

From the Wikipedia article Irwin, Pennsylvania (this version), under CC BY-SA 4.0.

Things to do3

1182

Scenic view · 1.5 mi

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1240

Scenic view · 1.5 mi

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Lamp Theatre

Cinema and theater · 0.8 mi

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Museums and landmarks9

Andrew and Jennie McFarlane House

Monument and historic site · National Register of Historic Places · 2.1 mi

House in North Huntingdon Township, Pennsylvania

Open in Google Maps · Wikipedia

Brush Hill

Monument and historic site · National Register of Historic Places · 0.5 mi

Building in Pennsylvania, United States

Open in Google Maps · Wikipedia

Fullerton Inn

Monument and historic site · National Register of Historic Places · 1.4 mi

Hotel in Pennsylvania, United States of America

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Sewickley Manor

Monument and historic site · National Register of Historic Places · 2.1 mi

Building in Pennsylvania, United States

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Big Mac Museum

Museum · 0.5 mi

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Brick Hill War Memorial

Monument and historic site · 0.9 mi

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Hahntown War Memorial

Monument and historic site · 0.8 mi

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Irwin War Memorial

Monument and historic site · 0.6 mi

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Norwin Veteran Memorial

Monument and historic site · 1.3 mi

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Parks, trails and playgrounds7

North Irwin Park

Park · 1.3 mi

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Hillcrest Intermediate School

Park · 1.5 mi

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Hilltop Park

Park · 1.2 mi

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Irwin Park

Park · 0.5 mi

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Penn Glyn Park

Park

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Tinkers Run Park

Park · 1.3 mi

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Westmoreland City Park

Park · 1.1 mi

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Restaurants and cafes29

Eat'n Park

Diner · American · 0.6 mi

8891 Route 30, Irwin

Mo-Su 07:00-23:00

Open in Google Maps · +1-724-864-8031

Pizza Hut

Restaurant · Pizza

9253 Route 30, Irwin

Open in Google Maps · +1 724-864-4016

Applebee's

Diner · American · 0.8 mi

Open in Google Maps · +1 724-863-2053

Burgher Burger

Restaurant · Burger · 0.7 mi

108 Fourth Street, North Huntingdon

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Bob Evans

Diner · American · 0.6 mi

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China House

Restaurant · Chinese · 0.6 mi

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Denny's

Diner · American · 0.4 mi

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Fox's Pizza

Restaurant · Pizza · 1.2 mi

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Julie's Bubble Tea & Smoothies

Cafe · Smoothie, Bubble Tea

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Mama Pepino's Pizza

Restaurant · Pizza · 0.6 mi

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Abruzzi Italian Cucina

Restaurant

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Cafe Supreme

Restaurant · 0.8 mi

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17 more on the map.

History

Irwin was named for John Irwin, the original owner of the town site.

Irwin was the original western terminus of the Pennsylvania Turnpike when it opened in October 1940.

Brush Hill was listed on the National Register of Historic Places in 1975.

From the History section of Irwin, Pennsylvania on Wikipedia, under CC BY-SA 4.0.

Where to stay2

Churches and places of worship10

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Shopping7

Gas and EV charging5

Schools, colleges and libraries34

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Healthcare4

Map of Irwin

110 places. The map loads OpenStreetMap tiles when you open it.

Climate by month

20°40°60°80°January: 3.2 in of rainFebruary: 2.8 in of rainMarch: 3.3 in of rainApril: 3.8 in of rainMay: 4.1 in of rainJune: 4.6 in of rainJuly: 4.8 in of rainAugust: 4.2 in of rainSeptember: 3.4 in of rainOctober: 3.4 in of rainNovember: 2.9 in of rainDecember: 3.2 in of rainJanuary: 38°FFebruary: 41°FMarch: 50°FApril: 64°FMay: 74°FJune: 83°FJuly: 86°FAugust: 84°FSeptember: 77°FOctober: 65°FNovember: 52°FDecember: 41°FJanuary: 22°FFebruary: 22°FMarch: 29°FApril: 39°FMay: 51°FJune: 59°FJuly: 64°FAugust: 62°FSeptember: 55°FOctober: 43°FNovember: 33°FDecember: 27°FJFMAMJJASOND
Average high Average low Rain
Monthly table
MonthHighLowRainSnow
Jan38°F22°F3.2 in10.2 in
Feb41°F22°F2.8 in5.6 in
Mar50°F29°F3.3 in3.0 in
Apr64°F39°F3.8 in0.2 in
May74°F51°F4.1 in0.0 in
Jun83°F59°F4.6 in0.0 in
Jul86°F64°F4.8 in0.0 in
Aug84°F62°F4.2 in0.0 in
Sep77°F55°F3.4 in0.0 in
Oct65°F43°F3.4 in0.0 in
Nov52°F33°F2.9 in0.7 in
Dec41°F27°F3.2 in5.3 in

U.S. Climate Normals 1991-2020 for Murrysville 2 Sw (6 mi away), NOAA NCEI.

People and cost of living

$59,963median household income
$195,500median home value
$1,002median monthly rent
38.1median age
35.8%of adults have a bachelor's degree or higher
43.1%of homes are owner-occupied
26.7 minaverage commute
Age of residents
Under 1820%18 to 3427%35 to 6438%65 and over16%

American Community Survey 5-year estimates, 2020-2024, U.S. Census Bureau. Estimates have margins of error, larger for small towns.

Disaster history

Westmoreland County has had 9 federal disaster declarations since 2000, most often for hurricanes.

  • 2020-03-30: Covid-19 Pandemic (Biological)
  • 2020-03-13: Covid-19 (Biological)
  • 2016-03-23: Severe Winter Storm And Snowstorm (Snowstorm)
  • 2012-10-29: Hurricane Sandy (Hurricane)
  • 2010-04-16: Severe Winter Storms And Snowstorms (Snowstorm)
  • 2005-09-10: Hurricane Katrina (Hurricane)

OpenFEMA disaster declarations summaries.

Getting there and nearby towns

Allegheny County Airport (AGC) is the nearest airport with scheduled flights listed in OpenStreetMap, 12 miles away.

Drive times are estimates from straight-line distance, not routes.

Reviews, tips and questions

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Sources and licences

Photo credits

Page built October 30, 2026. Spotted a mistake? Tell us or suggest a place.