| Official Zip Code Name | Onekama |
| Zip Code State | Michigan |
| Primary County: | Manistee |
| Area Code | 231 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 5 |
| Elevation Range | 578 ft. |
| Area | 10.217 Sqm. |
| Coordinates(Y,X) | 44.366141, -86.223658 |