| Official Zip Code Name | Gilliam |
| Zip Code State | Louisiana |
| Primary County: | Caddo |
| Area Code | 318 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 6 |
| Elevation Range | 185 ft. |
| Area | 25.06 Sqm. |
| Coordinates(Y,X) | 32.835477, -93.819476 |