| Place Name | Shirley Mills |
| Place Type | Unincorporated |
| ZIP Code(s) | 04464 |
| County | Piscataquis County |
| Area Code(s) | 207 |
| Timezone | Eastern Standard Time (EST) |
| Population () | |
| US Congressional District(s) | Maine 2nd |
| State House Districts | 30 |
| State Senate Districts | 4 |