| Official Zip Code Name | Grand Coteau |
| Zip Code State | Louisiana |
| Primary County: | Saint Landry |
| Area Code | 337 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 6 |
| Elevation Range | 51 ft. |
| Area | 2.054 Sqm. |
| Coordinates(Y,X) | 30.420054, -92.049236 |