| Place Name | Hadley |
| Place Type | Unincorporated |
| ZIP Code(s) | 16130 |
| County | Mercer County |
| Area Code(s) | 724,878 |
| Timezone | Eastern Daylight Time (EDT) |
| Population () | |
| Metro/Micro Stats Area | Youngstown-Warren-Boardman, OH-PA |
| US Congressional District(s) | Pennsylvania 16th |
| State House Districts | 17 |
| State Senate Districts | 50 |