| Place Name | Armstrong Township (Indiana County) |
| Place Type | Township |
| ZIP Code(s) | 15701 15748 15774 |
| County | Indiana County |
| Area Code(s) | 724,878 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 2,813 |
| Majority Ethnicity | White 99.82% |
| Metro/Micro Stats Area | Indiana, PA |
| US Congressional District(s) | Pennsylvania 9th |
| State House Districts | 62 |
| State Senate Districts | 41 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 99.82% |
| African American | 0.18% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |