| Place Name | Upper Mifflin Township |
| Place Type | Township |
| ZIP Code(s) | 17071 17240 17241 |
| County | Cumberland County |
| Area Code(s) | 717 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 1,201 |
| Majority Ethnicity | White 98.31% |
| Metro/Micro Stats Area | Harrisburg-Carlisle, PA |
| US Congressional District(s) | Pennsylvania 11th |
| State House Districts | 199 |
| State Senate Districts | 30 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 98.31% |
| African American | 1.69% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |