| Place Name | Mount Joy Township (Lancaster County) |
| Place Type | Township |
| ZIP Code(s) | 17022 17545 17552 |
| County | Lancaster County |
| Area Code(s) | 717 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 10,672 |
| Majority Ethnicity | White 89.41% |
| Metro/Micro Stats Area | Lancaster, PA |
| US Congressional District(s) | Pennsylvania 16th |
| State House Districts | 37 |
| State Senate Districts | 36 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 89.41% |
| African American | 0.74% |
| Hispanic | 0.29% |
| Asian | 1.79% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 7.77% |