| Place Name | Monaghan Township |
| Place Type | Township |
| ZIP Code(s) | 17019 17055 17339 |
| County | York County |
| Area Code(s) | 717 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 2,682 |
| Majority Ethnicity | White 97.06% |
| Metro/Micro Stats Area | York-Hanover, PA |
| US Congressional District(s) | Pennsylvania 4th |
| State House Districts | 92 |
| State Senate Districts | 31 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 97.06% |
| African American | 0.48% |
| Hispanic | 0% |
| Asian | 0.11% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.34% |