| Place Name | South Williamsport |
| Place Type | Borough |
| ZIP Code(s) | 17701 17702 |
| County | Lycoming County |
| Area Code(s) | 272,570 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 6,370 |
| Population Growth Rate (2010-19) | -1.85% |
| Majority Ethnicity | White 91.9% |
| Metro/Micro Stats Area | Williamsport, PA |
| US Congressional District(s) | Pennsylvania 10th |
| State House Districts | 83 |
| State Senate Districts | 23 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 91.9% |
| African American | 3.47% |
| Hispanic | 0% |
| Asian | 3.31% |
| Native American | 0.65% |
| Hawaiin/Pacific Islander | 0.67% |