West Mifflin, PA ZIP Codes
2 ZIP codes serve West Mifflin, Pennsylvania: 15122 and 15123. Together they are home to 18,818 residents in 8,185 households.
West Mifflin borough limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 19,190 |
| Households | 8,286 |
| Median household income | $76,563 |
| Median home value | $151,600 |
| Median age | 43.4 |
| Median rent | $780 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 18,818 |
| Households (sum of ZIP codes) | 8,185 |
| Median household income, range across ZIP codes | $72,485 (15122) to $72,485 (15122) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $72,485 |
| Homeowners | 78.4% |
| Households with kids under 18 | 23.0% |
| Moved in the past year | 5.4% |
| Carrier routes in EDDM2GO's route library | 16 routes, 9,109 homes (1 of 2 ZIP codes) |
Every ZIP code in West Mifflin
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 15122 | West Mifflin | 18,816 | 8,185 | $72,485 | $151,400 | 78.4% | 23.0% | 5.4% | 16 | 9,534 | 98% of its land; mailing city |
| 15123 | West Mifflin | 2 | 0 | — | — | — | — | 0.0% | — | — | 100% of its land; mailing city |
A ZIP code is listed for West Mifflin when at least 10% of its land lies inside West Mifflin borough limits, when it holds at least 10% of the place's land, or when its USPS mailing city is West Mifflin. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside West Mifflin.
Counties
- Allegheny County — 112 ZIP codes
Price a mailing to West Mifflin ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in West Mifflin, PA?
- 15122 and 15123. A ZIP code is listed for West Mifflin when at least 10% of its land lies inside West Mifflin borough limits, when it holds at least 10% of the place's land, or when its USPS mailing city is West Mifflin.
- What is the population of West Mifflin, PA?
- The Census Bureau counts 19,190 residents inside West Mifflin borough limits (ACS 2020–2024). The 2 ZIP codes that serve West Mifflin hold 18,818 residents in all.
- What is the median household income in West Mifflin, PA?
- $76,563 inside West Mifflin borough limits, per the Census Bureau. Across its ZIP codes the medians run from $72,485 to $72,485.
- How many carrier routes and mailboxes are in West Mifflin, PA?
- For the 1 of 2 ZIP codes in EDDM2GO's stored route library: 16 carrier routes reaching 9,109 residential and 424 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.