| Place Name | Duncanville |
| Place Type | Unincorporated |
| ZIP Code(s) | 35456 |
| County | Tuscaloosa County |
| Area Code(s) | 205,659 |
| Timezone | Central Standard Time (CST) |
| Population () | |
| Metro/Micro Stats Area | Tuscaloosa, AL |
| US Congressional District(s) | Alabama 7th |
| State House Districts | 62 |
| State Senate Districts | 21 |