| Official Zip Code Name | Willow Hill |
| Zip Code State | Pennsylvania |
| Primary County: | Franklin |
| Area Code | 717 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 5 |
| Elevation Range | 868 ft. |
| Area | 12.724 Sqm. |
| Coordinates(Y,X) | 40.112029, -77.783738 |