Irwin, PA 15642 ZIP Code Profile

Related Place Profiles:
Irwin, PA | North Irwin, PA

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
  • 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).

  • Businesses Addresses: 1,103
  • PO Box Addresses: 140
  • Residential Addresses: 19,357
    • Multi-Family Addresses: 788
    • Single Family Addresses: 18,569

The ZIP Code maps and database are updated 4 times per year.
Database updated: August 1, 2018, Maps updated: August 1, 2018.

Jump to... (On This Page!)
  1. 15642 2018 Demographic Data
  2. Growth Rates for 15642 (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Pennsylvania Research Tools (Easy Tools & Current Data)
  3. Pennsylvania Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Irwin, PA 15642 Data & Demographics (As of July 1, 2018)


Total Population 45,711
Population in Households 45,614
Population in Familes 38,490
Population in Group Qrtrs 97
Population Density2 1,005
Diversity Index3 8


Median Household Income $70,414
Average Household Income $87,835
Per Capita Income $35,820


Total Housing Units 19,614 (100%)
Owner Occupied HU 15,847 (80.8%)
Renter Occupied HU 2,770 (14.1%)
Vacant Housing Units 997 ( 5.1%)
Median Home Value $175,518
Average Home Value $210,877


Total Households 18,617
Average Household Size 2.45
Family Households 13,145
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood 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.


2010-2018 2018-2023
Population 0.05% -0.17%
Households 0.06% -0.17%
Families -0.07% -0.24%
Median Household Income   2.31%
Per Capita Income   2.44%

Irwin, PA 15642 - Peer Comparisons by Rank and Percentile

The table below compares 15642 to the other 1,675 ZIP Codes in Pennsylvania by rank and percentile using July 1, 2018 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 # 28 98th
Population Density # 460 73rd
Diversity Index # 1044 38th
Median Household Income # 269 84th
Per Capita Income # 285 83rd

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

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