| Place Name | Etna |
| Place Type | Borough |
| ZIP Code(s) | 15209 15215 15223 |
| County | Allegheny County |
| Area Code(s) | 412,878 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 3,471 |
| Population Growth Rate (2010-19) | -0.41% |
| Majority Ethnicity | White 90.22% |
| Metro/Micro Stats Area | Pittsburgh, PA |
| US Congressional District(s) | Pennsylvania 14th |
| State House Districts | 21 |
| State Senate Districts | 38 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 90.22% |
| African American | 3.43% |
| Hispanic | 0% |
| Asian | 4.29% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.06% |