Each edition grades its towns against each other only.
Few places in the country grade higher. Irwin earns an A+, ranked 28th of 1032 in Pennsylvania. Its schools rank ahead of 96% of Pennsylvania towns, crime is low: it reports less per resident than 89% of U.S. towns, and a typical home costs about $276K, 3.6 years of the Pittsburgh metro’s $76K median household income. Its lowest mark, a B−, is in health. 43% of households own their home in Irwin, below both Pennsylvania’s towns (78%) and U.S. towns (73%). Brush Hill is on the National Register of Historic Places.
Where Irwin beats most towns.
Brush HillWhere Irwin’s working residents go each day. Line width shows the share.
Census LEHD 2023
Each subject compared with towns across the country (schools within Pennsylvania), ordered by how far Irwin is from typical.
How TownRatings grades towns →
Census counts: 405 in 1820, 3,902 in 2020. The archive holds 18 old photos and papers going back to 1897 and 4 maps from 1904 on.
1 place on the National Register of Historic Places.
Museums, parks, gardens and other places to visit around Irwin. Close and well known come first.
Big draw31 mi MuseumFallingwater
Big draw19 mi Stadium & arenaAcrisure Stadium
10 mi Theme parkKennywood
18 mi LandmarkFort Duquesne
18 mi Stadium & arenaPNC Park
17 mi Stadium & arenaPPG Paints ArenaFallingwater: Carol M. Highsmith, Public domain · Acrisure Stadium: Fo2grfr, CC BY-SA 4.0 · Kennywood: Ski2007 of English Wikipedia, Public domain · Fort Duquesne: Sébastien Paquin, CC BY-SA 3.0 · PNC Park: alpineinc, CC BY 2.0 · PPG Paints Arena: Jleedev, CC BY-SA 4.0
Who provides power, water and the rest in Irwin, and how to reach them.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Nov 18, 2024.
Ordered by what stands out in Irwin.
Irwin is healthier than towns with similar incomes, is mostly renters and is safe by national standards but not by Pennsylvania’s.
At 5.8 crimes per 1,000 residents a year, it reports less crime than 76% of Pennsylvania’s graded towns. Violent crime is rare: 2 reported in 2024, 0.4 per 1,000 residents.
The property crime rate in Irwin is 0.9 per 1,000 residents.
| Irwin | Pennsylvania towns | U.S. towns | |
|---|---|---|---|
| Property crimes per 1,000 (2024) | 0.9 per 1,000 residents | 6.8 | 11.5 |
| Violent crimes per 1,000 (2024) | 0.4 per 1,000 residents | 0.8 | 1.7 |
FBI crime data, 2024 · crimes reported to police
Expected storm and flood damage is lower than in 88% of U.S. communities. Since 1980, 4 flood insurance claims have been paid out in Irwin.
FEMA flood insurance claims · FEMA National Risk Index · OpenFEMA
Jobs based here grew from 966 in 2013 to 1,322.
Most working residents leave Irwin for work: only 3% work in town. Since 2013, Irwin has added 356 jobs, to 1,322 in 2023. 14% of Irwin residents live below the poverty line.
| Irwin | Pennsylvania towns | U.S. towns | |
|---|---|---|---|
| Below the poverty line | 14% | 7.6% | 9.6% |
| Median household income | $60,000 | $81,000 | $80,000 |
| Working residents who work in town | 3.3% | 6.3% | 8% |
| Average trip to work | 27 minutes | 26 minutes | 25 minutes |
Census LEHD 2023 · ACS
Irwin has chilly winters and pleasant summers. July afternoons reach 83°, January nights drop to 21° and about 25 inches of snow falls in a winter.
NOAA U.S. Climate Normals, 1991–2020
Only 43.1% of households own their home, against 69.3% across Pennsylvania.
Adults 18 to 34 are 27% of residents (22% statewide). 16% of residents are 65 or older in Irwin. Irwin has lost 3.1% of its people since 2020, down to 3,759 in the Census Bureau’s 2025 estimate.
| Irwin | Pennsylvania towns | U.S. towns | |
|---|---|---|---|
| Median age | 38.1 years | 43.2 years | 40.5 years |
| Aged 65 or older | 16% | 21% | 18% |
| Bachelor’s degree or more, 25+ | 36% | 29% | 29% |
62% women, 38% men
About 61 men for every 100 women (the survey’s margin: ±5.6 points). Across Pennsylvania, 50.7% of residents are women. Among residents 65 to 74, 89% are women (PA 53%).
| Irwin | PA | U.S. | |
|---|---|---|---|
| Under 10 | 12.8% | 10.8% | 11.6% |
| 10 to 17 | 6.9% | 9.7% | 10.3% |
| 18 to 24 | 6.3% | 9% | 9.1% |
| 25 to 34 | 20.2% | 13% | 13.7% |
| 35 to 44 | 16.2% | 12.6% | 13.2% |
| 45 to 54 | 8.5% | 11.9% | 12.2% |
| 55 to 64 | 13.4% | 13.6% | 12.7% |
| 65 to 74 | 6.6% | 11.4% | 10.2% |
| 75 and older | 9.1% | 8.1% | 7% |
| No diploma | 3.8% | 7.9% | 10.4% |
| High school | 30.7% | 32.9% | 26% |
| Some college | 14.9% | 15.1% | 19.1% |
| Associate’s | 14.7% | 8.9% | 8.8% |
| Bachelor’s | 19.8% | 20.9% | 21.6% |
| Graduate | 16% | 14.3% | 14.1% |
Census population estimates, 2025 · U.S. Census Bureau · ACS 2020-2024 5-year estimates · in a town of 3,800, single groups can be off by several points
The typical Irwin home is worth about $276,000, up 0.7% in a year, close to the Pennsylvania typical home.
Zillow Home Value Index · Redfin Data Center
| Irwin | Pennsylvania towns | U.S. towns | |
|---|---|---|---|
| Conserved land | 2.7% | 8.2% | 4.3% |
| Miles of trail per square mile | 0.4 miles per square mile | 0.5 | 0.4 |
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Irwin Park | 0.1 mi | 6 |
| 2. Penn Glyn Park | — | 4 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
Against the 8,895 U.S. towns with household incomes like Irwin’s, it is healthier than 74%, so its B− isn’t only a matter of income. Its widest gap with Pennsylvania is tooth loss: 7.8% of those 65+ have lost all their teeth, against 14.5% statewide.
Irwin beats the Pennsylvania average on 1 of 26 CDC measures and trails it on 2.
| Irwin | Pennsylvania towns | U.S. towns | |
|---|---|---|---|
| Sleep under 7 hours (CDC PLACES) | 41% | 38% | 36% |
| Smoke cigarettes (CDC PLACES) | 18% | 16% | 14% |
| Depression (CDC PLACES) | 25% | 24% | 23% |
| Frequent mental distress (CDC PLACES) | 18% | 16% | 17% |
| What stands out | Irwin | PA |
|---|---|---|
| Fewer older adults who have lost all their teeth | 7.8% | 14.5% |
| More adults with COPD | 9% | 7.7% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
6 within 15 miles of the center of Irwin
About 3 of every 100 Irwin residents are enrolled in college, against 6 across Pennsylvania.
6 notable people were born in Irwin.
Borough in Pennsylvania, US
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 Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
Yes, by almost any measure. Irwin grades A+ overall, among the top 2% of U.S. towns and #28 of 1032 in Pennsylvania. It grades B− for health, A for safety and A+ for schools.
Not for the area. Cost of living, which also weighs rents, property taxes and how many households pay 30% or more of their income for housing, grades A−.
6 notable people were born here, including Mark Critz and David Marchand.
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