West Mifflin, PA 15122 ZIP Code Profile

Related Place Profiles:
Pittsburgh, PA | West Mifflin, PA

ZIP Code 15122: Basic Data & USPS Preferred City Name

Preferred Name, USPS
West Mifflin, PA 15122

Acceptable Alternative
Pittsburgh, PA 15122

Not Acceptable, USPS
W Mifflin/Pleasant Hills, PA 15122

  • ZIP Code Type: STANDARD
  • County: Allegheny County
  • Centroid: Latitude 40.377, Longitude -79.893
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 462
  • PO Box Addresses: 40
  • Residential Addresses: 9,311
    • Multi-Family Addresses: 647
    • Single Family Addresses: 8,664

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

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


15122 ZIP Code Map

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West Mifflin, PA 15122 Data & Demographics (As of July 1, 2017)


Total Population 19,252
Daytime Population: Workers 9,901
Daytime Population: Residents 10,192
Total Daytime Population (TDP) 20,093
Ratio TDP/Total Population1 1.04
Population in Households 19,158
Population in Familes 15,288
Population in Group Qrtrs 94
Population Density2 1,509
Diversity Index3 29


Median Household Income $50,745
Average Household Income $60,908
Per Capita Income $26,688


Total Housing Units 9,094 (100%)
Owner Occupied HU 6,410 (70.5%)
Renter Occupied HU 1,992 (21.9%)
Vacant Housing Units 692 ( 7.6%)
Median Home Value $88,957
Average Home Value $105,784


Total Households 8,402
Average Household Size 2.28
Family Households 5,373
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  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.


2010-2017 2017-2022
Population -0.1% -0.01%
Households 0.0% 0.04%
Families -0.13% -0.05%
Median Household Income   1.79%
Per Capita Income   2.75%

West Mifflin, PA 15122 - Peer Comparisons by Rank and Percentile

The table below compares 15122 to the other 1,663 ZIP Codes in Pennsylvania by rank and percentile using July 1, 2017 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 # 209 87th
Population Density # 363 78th
Diversity Index # 346 79th
Median Household Income # 907 46th
Per Capita Income # 847 49th

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

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