| Official Zip Code Name | Grethel |
| Zip Code State | Kentucky |
| Primary County: | Floyd |
| Area Code | 606 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 5 |
| Elevation Range | 1514 ft. |
| Area | 9.392 Sqm. |
| Coordinates(Y,X) | 37.461192, -82.699877 |