| Place Name | Blawnox |
| Place Type | Borough |
| ZIP Code(s) | 15147 15238 |
| County | Allegheny County |
| Area Code(s) | 412,878 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 1,407 |
| Population Growth Rate (2010-19) | 1.54% |
| Majority Ethnicity | White 75.39% |
| Metro/Micro Stats Area | Pittsburgh, PA |
| US Congressional District(s) | Pennsylvania 14th |
| State House Districts | 32 |
| State Senate Districts | 38 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 75.39% |
| African American | 9.44% |
| Hispanic | 0% |
| Asian | 13.69% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.48% |