| Place Name | Marshallton (Northumberland County) |
| Place Type | Census Designated Place |
| ZIP Code(s) | 17866 17872 |
| County | Northumberland County |
| Area Code(s) | 272,570 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 1,294 |
| Population Growth Rate (2010-19) | -6.45% |
| Majority Ethnicity | White 99.02% |
| Metro/Micro Stats Area | Sunbury, PA |
| US Congressional District(s) | Pennsylvania 11th |
| State House Districts | 107 |
| State Senate Districts | 27 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 99.02% |
| African American | 0.16% |
| Hispanic | 0% |
| Asian | 0.82% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |