Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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zipcodes.pro — CITY/PA/IRWIN

Irwin ZIP code, Pennsylvania

The ZIP code for Irwin, PA is 15642, and its area code is 724.

USPS city name
1 ZIP code
Population
3,831
Area code
724

NANPA lists no telephone rate centre for Irwin itself, so these are the area codes of the nearest one, Herminie (4.1 miles). A town on an area-code boundary can differ from its neighbour.

Irwin in numbers

About 3,831 people live in Irwin, in 1,970 households. The median household income is $59,963 a year, 23% below the Pennsylvania median of $77,971 (US: $80,734). The median owner-occupied home is valued at $195,500 (23% below the Pennsylvania median), and median gross rent is $1,002 a month. The median age is 38.1; 35.8% of adults 25 and over hold a bachelor's degree or higher (35.2% across Pennsylvania); the average commute takes 27 minutes.

Population3,831Irwin3,831
Households1,970Irwin1,970
Median age38.1Irwin38.1Pennsylvania40.9US 38.9
Median household income$59,963Irwin$59,963Pennsylvania$77,971US $80,734
Median home value$195,500Irwin$195,500Pennsylvania$254,500US $332,700
Median gross rent$1,002Irwin$1,002Pennsylvania$1,209US $1,413
Bachelor's degree or higher35.8%Irwin35.8%Pennsylvania35.2%US 35.7%
Mean commute26.7 minIrwin26.7 minPennsylvania26.3 minUS 26.4 min
Population density4,572 / sq miIrwin4,572 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Irwin borough. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Irwin

ZIP codes with the USPS city name Irwin
ZIP City Type Population Median income Median home
15642 Irwin , PA Standard 46,325 $97,706 $243,800

Map of Irwin ZIP codes

15642

The ZIP codes of Irwin, PA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Irwin

The nearest larger towns are Jeannette (8,657 people, 4.5 mi), Level Green (4,409 people, 4.6 mi) and White Oak (7,468 people, 5.2 mi).

Towns near Irwin
TownPopulationDistance
Manor 3,538 2.2 mi
Jeannette 8,657 4.5 mi
Level Green 4,409 4.6 mi
Trafford 3,216 5.1 mi
White Oak 7,468 5.2 mi
Pitcairn 3,032 7.0 mi
Monroeville 28,295 7.7 mi
McKeesport 17,380 7.7 mi
Greensburg 14,741 8.2 mi
Youngwood 2,926 8.4 mi
Murrysville 20,817 8.4 mi
New Stanton 2,515 8.6 mi
Duquesne 5,149 8.6 mi
Turtle Creek 5,007 8.6 mi

More nearby: every ZIP code in Westmoreland County · Pennsylvania ZIP codes

Cite this page

zipcodes.pro. “Irwin, PA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/pa/irwin

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