PlainZIP

Irwin, PA

Single-footprint Census roll-up for Irwin, PA: 1 USPS ZIP, population 45,286. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.

U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage

ACS city ledger plate

Sheet IRWIN-PA · Irwin, PA 1 ZIPs · 45,286 pop · #4835/25278 · Westmoreland County

INC-HIGH · RANK-TOP · ABOVE-PEER · BOOK-ONE · OWN-HIGH · POP-SMALL · SPREAD-UNK · HOME-MID

  • INC-HIGH $97,706
  • RANK-TOP #4835/25278
  • ABOVE-PEER over Export
  • BOOK-ONE 1 ZIP
  • OWN-HIGH 85% owners
  • POP-SMALL 45,286
  • SPREAD-UNK Single-ZIP book
  • HOME-MID $243,800

Nearest income peer: Export, PA ( $4,042 income $)

Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.

Income neighbourhood around Irwin

Lowest/highest poles plus county-sharing cities nearest Irwin on average ZIP median household income. Full ladder: /cities.

median HH income

What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2026-08-25

National city placement

According to ACS 5-Year Estimates, Irwin, PA sits among US cities with an upper-quartile household income, on a small-city population base, across a single-ZIP footprint.

Top 19%
household income vs 25,278 US cities
45,286
city population (Census)
1
USPS ZIP codes covered
$97,706
avg ZIP median income

Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.

High-income footprint on only 1 ZIP: the city page and the ZIP page nearly coincide. Headline income $97,706 and home value $243,800 should be read as near-neighborhood numbers ; bachelor's attainment averages 42.1%.

Owner-occupancy here runs high (85.2%) - tenure is stable enough that the ZIP detail's owner share is the right next click, not a renter-heavy compare.

Within Pennsylvania, Mount Joy is the closest lower-income city and Wyncote the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Irwin.

Population concentration

Irwin's single ZIP 15642 carries the town

Irwin is published as a single USPS ZIP. Code 15642 is the entire residential footprint (45,286 ACS residents), so the city page and the ZIP page tell the same household story, open that ZIP for income, tenure, and commute detail.

Census ZBP business roll-up

Mid-pack ZBP load on Irwin's one ZIP

Citywide ZBP: 995 establishments, 12,433 employees , annual payroll $581,642k (~22 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 15642 (995 units) ; leading NAICS Construction (140) · also Health care and social assistance · Retail trade .

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ZIP Codes in Irwin, PA

These ZIP codes sit in Westmoreland County, which covers 78 ZIP codes in all; 1 of them fall in Irwin. See the Westmoreland County roll-up →

Irwin sits in the upper half of Westmoreland County on income: Greensburg, New Kensington and Latrobe report less, while Murrysville reports more. Vandergrift marks the far end of that range at $55,457, 43% below Irwin.

ZIP Code Population Median income Establishments Density
15642 45,286 $97,706 995 395
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Irwin roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Irwin, .