Irwin, PA 15642 ZIP Code Profile

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Irwin, PA | North Irwin, PA

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ZIP Code 15642: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Irwin, PA 15642

Acceptable Alternative
N Huntingdon, PA 15642
No Huntingdon, PA 15642
North Huntingdon, PA 15642
North Irwin, PA 15642

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 1,102
  • Single Family Addresses: 18,317
  • Multi-Family Addresses: 795
  • County: Westmoreland County
  • Centroid: Latitude 40.329, Longitude -79.721
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

ZIP Code 15642 has segments in 2 Counties (Allegheny, Westmoreland).

Neighborhood Data

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15642 ZIP Code Map

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Irwin, PA 15642 Data & Demographics (As of July 1, 2016)


Total Population 45,587
Population in Households 45,501
Population in Familes 38,580
Population in Group Qrtrs 86
Population Density1 1,042
Diversity Index2 7


Total Households 18,631
Average Household Size 2.44
Family Households 13,200
Average Family Size 3


Total Housing Units 19,746 (100%)
Owner Occupied HU 15,058 (76.3%)
Renter Occupied HU 3,573 (18.1%)
Vacant Housing Units 1,115 ( 5.6%)
Median Home Value $171,987
Average Home Value $207,112


Median Household Income $66,371
Average Household Income $81,704
Per Capita Income $33,433
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.06% -0.04%
Households 0.14% 0.02%
Families 0.04% -0.04%
Median Household Income   3.0%
Per Capita Income   1.92%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Irwin, PA 15642 - Peer Comparisons by Rank and Percentile

The table below compares 15642 to the other 1,669 ZIP Codes in Pennsylvania by rank and percentile using July 1, 2016 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 27 98th
Population Density1 # 468 72nd
Diversity Index2 # 1055 38th
Median Household Income # 254 85th
Per Capita Income # 274 84th

Additional comparisons and rankings can be made with a VERY EASY TO USE Pennsylvania Census Data Comparison Tool.

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