| Place Name | Decatur Township (Mifflin County) |
| Place Type | Township |
| ZIP Code(s) | 17044 17063 17841 |
| County | Mifflin County |
| Area Code(s) | 717 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 2,993 |
| Majority Ethnicity | White 97.86% |
| Metro/Micro Stats Area | Lewistown, PA |
| US Congressional District(s) | Pennsylvania 10th |
| State House Districts | 171 |
| State Senate Districts | 34 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 97.86% |
| African American | 0.97% |
| Hispanic | 1.17% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |