| Official Zip Code Name | Decatur |
| Zip Code State | Tennessee |
| Primary County: | Meigs |
| Area Code | 423 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 5 |
| Elevation Range | 837 ft. |
| Area | 134.772 Sqm. |
| Coordinates(Y,X) | 35.498638, -84.825914 |