| Place Name | McHenry |
| Place Type | Unincorporated |
| ZIP Code(s) | 21541 |
| County | Garrett County |
| Area Code(s) | 240,301 |
| Timezone | Eastern Standard Time (EST) |
| Population () | |
| US Congressional District(s) | Maryland 6th |
| House of Delegates Districts | 01A |
| State Senate Districts | 01 |