ZIP code 15642
Where is ZIP code 15642?
Irwin, Pennsylvania
Westmoreland County · Standard ZIP code
ZIP code 15642 belongs to Irwin, Pennsylvania in Westmoreland County. 15642 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area codes 412, 724 and 878. About 46,325 people live in the 15642 area, where the median household income is $97,706. The closest ZIP codes are 15647 (Larimer, 1.8 mi north), 15692 (Westmoreland City, 2.2 mi east) and 15678 (Rillton, 2.2 mi south).
| ZIP code | 15642 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Irwin |
| Also accepted | N Huntingdon, No Huntingdon, North Huntingdon, North Irwin |
| State | Pennsylvania (PA) |
| County | Westmoreland County |
| Time zone | Eastern Time · now |
| Area codes | 412, 724, 878 |
| Coordinates | 40.3191, -79.7205 map |
| 3-digit prefix | 156 |
Population and income in 15642
| Population | 46,325 · higher than 98% of Pennsylvania ZIP codes |
|---|---|
| People per square mile | 1,006 · higher than 74% of Pennsylvania ZIP codes |
| Median age | 45 years · higher than 55% of Pennsylvania ZIP codes |
| Men / women | 49% / 51% |
| Median household income | $97,706 · higher than 83% of Pennsylvania ZIP codes |
| Income per person | $49,889 |
| Below the poverty line | 5.7% |
| Bachelor’s degree or higher | 42% of adults 25+ |
| Median home value | $243,800 · higher than 68% of Pennsylvania ZIP codes |
| Median rent | $1,008 a month |
| Housing units | 20,192 |
| Households | 19,251 (2.39 people on average) |
| Owners / renters | 85% / 15% |
| Land area | 46.04 sq mi (plus 0.12 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 15642. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 15642
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 15647 | Larimer, PA | 1.8 mi N | Standard |
| 15692 | Westmoreland City, PA | 2.2 mi E | Standard |
| 15678 | Rillton, PA | 2.2 mi S | Standard |
| 15691 | Wendel, PA | 2.5 mi SE | PO Box only |
| 15615 | Ardara, PA | 2.8 mi N | Standard |
| 15665 | Manor, PA | 2.9 mi E | Standard |
| 15611 | Adamsburg, PA | 3.4 mi E | Standard |
| 15675 | Penn, PA | 4.2 mi E | Standard |
| 15625 | Darragh, PA | 4.2 mi SE | PO Box only |
| 15028 | Coulters, PA | 4.5 mi W | PO Box only |
| 15047 | Greenock, PA | 4.6 mi W | PO Box only |
| 15085 | Trafford, PA | 4.6 mi N | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 15642 or measure the distance to another ZIP code.
How to address mail to 15642
123 MAIN ST
IRWIN PA 15642
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts N HUNTINGDON, NO HUNTINGDON, NORTH HUNTINGDON and NORTH IRWIN as the city name for 15642. Adding the 4-digit ZIP+4 code (15642-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 15642?
- 15642 is a Irwin, Pennsylvania ZIP code. N Huntingdon, No Huntingdon, North Huntingdon and North Irwin are also accepted as the city name.
- What county is 15642 in?
- ZIP code 15642 is in Westmoreland County, Pennsylvania.
- What time zone is ZIP code 15642 in?
- 15642 is in the Eastern Time zone (America/New_York).
- What area code is 15642?
- Phone numbers in ZIP code 15642 use area codes 412, 724 and 878.
- What is the population of ZIP code 15642?
- About 46,325 people live in ZIP code 15642, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 15642?
- The median household income in 15642 is $97,706 a year, higher than 83% of Pennsylvania ZIP codes.
- What ZIP codes are near 15642?
- The nearest ZIP codes to 15642 are 15647 (Larimer, 1.8 miles), 15692 (Westmoreland City, 2.2 miles), 15678 (Rillton, 2.2 miles) and 15691 (Wendel, 2.5 miles).