| Place Name | Grantley |
| Place Type | Census Designated Place |
| ZIP Code(s) | 17401 17403 |
| County | York County |
| Area Code(s) | 717 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 3,533 |
| Population Growth Rate (2010-19) | 24.70% |
| Majority Ethnicity | White 85.93% |
| Metro/Micro Stats Area | York-Hanover, PA |
| US Congressional District(s) | Pennsylvania 4th |
| State House Districts | 95 |
| State Senate Districts | 28 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 85.93% |
| African American | 3.26% |
| Hispanic | 0.07% |
| Asian | 5.5% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 5.25% |