| Official Zip Code Name | Duncan |
| Zip Code State | South Carolina |
| Primary County: | Spartanburg |
| Area Code | 864 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 5 |
| Elevation Range | 715 ft. |
| Area | 22.969 Sqm. |
| Coordinates(Y,X) | 34.908130, -82.117325 |