| Place Name | Millstone Township |
| Place Type | Township |
| ZIP Code(s) | 15828 15860 16239 |
| County | Elk County |
| Area Code(s) | 814 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 115 |
| Majority Ethnicity | White 98.26% |
| Metro/Micro Stats Area | St. Marys, PA |
| US Congressional District(s) | Pennsylvania 5th |
| State House Districts | 75 |
| State Senate Districts | 25 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 98.26% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.74% |