| Official Zip Code Name | Karnack |
| Zip Code State | Texas |
| Primary County: | Harrison |
| Area Code | 430/903 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 6 |
| Elevation Range | 232 ft. |
| Area | 128.508 Sqm. |
| Coordinates(Y,X) | 32.639537, -94.167384 |