| Official Zip Code Name | Riverdale |
| Zip Code State | Michigan |
| Primary County: | Gratiot |
| Area Code | 989 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 5 |
| Elevation Range | 808 ft. |
| Area | 36.948 Sqm. |
| Coordinates(Y,X) | 43.397306, -84.845690 |