| Place Name | Mifflinville |
| Place Type | Census Designated Place |
| ZIP Code(s) | 18631 |
| County | Columbia County |
| Area Code(s) | 272,570 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 1,169 |
| Population Growth Rate (2010-19) | -1.60% |
| Majority Ethnicity | White 97.56% |
| Metro/Micro Stats Area | Bloomsburg-Berwick, PA |
| US Congressional District(s) | Pennsylvania 11th |
| State House Districts | 109 |
| State Senate Districts | 27 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 97.56% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.44% |