ZIP Code 15123 is located in West Mifflin Pennsylvania. 15123 is entirely within Allegheny County. Regionally, 15123 is located in Metro Pittsburgh.
| ZIP Code Name | West Mifflin |
| Primary County | Allegheny County |
| ZIP Code Type | Standard |
| Population (2022) | 3 |
| Area Code(s) | 412 / 878 |
| Current Time | EDT |
| Population | 3 |
| Population Density | 23 People per Square Mile |
| Current Unemployment Rate (May 2026) | 4.1% |
| Sales Tax Rate (2023) | 7.0% |
| Majority Race/Ethnicty | White - 60.00% |
| Race/Ethnicty | Total | Percentage |
|---|---|---|
| White | 3 | 60% |
| Black | 0 | 0% |
| Hispanic | 1 | 20% |
| Asian | 0 | 0% |
| Native American | 1 | 20% |
| Hawaiian/Pac. Islander | 0 | 0% |
| Highest Education Level Attained | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 0 | 0% |
| Bachelor Degree | 1 | 50% |
| High School Diploma | 0 | 0% |
| No High School Diploma | 0 | 0% |
| GED or Alternate | 0 | 0% |
| 1 or More Years of College | 0 | 0% |
| Associates Degree | 0 | 0% |
| Masters Degree | 1 | 50% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 0 | 0% |
| Coordinates | 40.34027863,-79.93829346 |
| Adjacent ZIP Codes | |
| Region | Metro Pittsburgh |
| Metropolitan/Micropolitan Stat Area | Pittsburgh, PA |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |
| Area | 0.13301429 Square Miles |
| School Districts in 15123 | |
| Elementary Schools in 15123 |