| Place Name | Middlesex Township (Cumberland County) |
| Place Type | Township |
| ZIP Code(s) | 17013 17015 17050 17053 17090 |
| County | Cumberland County |
| Area Code(s) | 717 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 7,040 |
| Majority Ethnicity | White 93.04% |
| Metro/Micro Stats Area | Harrisburg-Carlisle, PA |
| US Congressional District(s) | Pennsylvania 11th |
| State House Districts | 199 |
| State Senate Districts | 31 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 93.04% |
| African American | 3.85% |
| Hispanic | 0% |
| Asian | 1.66% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.45% |