| Official Zip Code Name | Sidney |
| Zip Code State | Michigan |
| Primary County: | Montcalm |
| 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 | 879 ft. |
| Area | 17.548 Sqm. |
| Coordinates(Y,X) | 43.247850, -85.153076 |