West Mifflin ZIP codes, Pennsylvania
West Mifflin, PA has 2 ZIP codes (15122 and 15123) and area codes 412 and 878. The largest is 15122.
- USPS city name
- 2 ZIP codes
- Overlapping the city
- 3 more
- Population
- 19,190
- County
- Allegheny County
- State
- Pennsylvania
NANPA lists no telephone rate centre for West Mifflin itself, so these are the area codes of the nearest one, Pittsburgh (2.2 miles). A town on an area-code boundary can differ from its neighbour.
Mail addressed to West Mifflin uses the ZIP codes above. 3 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.
West Mifflin in numbers
About 19,190 people live in West Mifflin, in 8,286 households, the 35th-largest of Pennsylvania's 1,944 census places. The median household income is $76,563 a year, about the same as the Pennsylvania median of $77,971 (US: $80,734). The median owner-occupied home is valued at $151,600 (40% below the Pennsylvania median), and median gross rent is $780 a month. The median age is 43.4; 24.5% of adults 25 and over hold a bachelor's degree or higher (35.2% across Pennsylvania); the average commute takes 26 minutes.
| Population | 19,190 |
|---|---|
| Households | 8,286 |
| Median age | 43.4 |
| Median household income | $76,563 |
| Median home value | $151,600 |
| Median gross rent | $780 |
| Bachelor's degree or higher | 24.5% |
| Mean commute | 26.1 min |
| Population density | 1,350 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place West Mifflin borough. Survey estimates carry margins of error, wider for small places. Sources and methods.
ZIP codes addressed as West Mifflin
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
15122 | West Mifflin , PA | Standard | 18,816 | $72,485 | $151,400 |
15123 | West Mifflin , PA | Standard | 2 | — | — |
Other ZIP codes overlapping West Mifflin
These ZIP codes cover part of West Mifflin but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
15025 | Clairton , PA | Standard | 16,939 | $76,531 | $227,800 |
15207 | Pittsburgh , PA | Standard | 10,961 | $57,427 | $150,200 |
15236 | Pittsburgh , PA | Standard | 31,313 | $90,767 | $233,400 |
Map of West Mifflin ZIP codes
The ZIP codes of West Mifflin, 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 West Mifflin
The nearest larger towns are Baldwin (21,057 people, 2.6 mi), Pittsburgh (304,759 people, 6.8 mi) and Bethel Park (32,881 people, 7.3 mi).
| Town | Population | Distance |
|---|---|---|
| Port Vue | 3,620 | 2.1 mi |
| Glassport | 4,368 | 2.4 mi |
| Munhall | 10,548 | 2.5 mi |
| Baldwin | 21,057 | 2.6 mi |
| Duquesne | 5,149 | 3.1 mi |
| McKeesport | 17,380 | 3.4 mi |
| Homestead | 2,874 | 3.4 mi |
| Pleasant Hills | 8,399 | 3.4 mi |
| Brentwood | 9,866 | 3.9 mi |
| North Braddock | 4,219 | 4.1 mi |
| Clairton | 6,044 | 4.3 mi |
| Swissvale | 8,418 | 4.4 mi |
| Whitehall | 14,811 | 4.4 mi |
| Jefferson Hills | 12,317 | 4.6 mi |
More nearby: every ZIP code in Allegheny County · Pennsylvania ZIP codes
Cite this page
zipcodes.pro. “West Mifflin, PA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/pa/west-mifflin
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