| Place Name | Duff |
| Place Type | Unincorporated |
| ZIP Code(s) | 37729 |
| County | Campbell County |
| Area Code(s) | 423 |
| Timezone | Eastern Standard Time (EST) |
| Population () | |
| Metro/Micro Stats Area | Knoxville, TN |
| US Congressional District(s) | Tennessee 2nd |
| State House Districts | 36 |
| State Senate Districts | 12 |