| Official Zip Code Name | Waldo |
| Zip Code State | Arkansas |
| Primary County: | Columbia |
| Area Code | 870 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 6 |
| Elevation Range | 304 ft. |
| Area | 149.715 Sqm. |
| Coordinates(Y,X) | 33.347010, -93.326400 |