| Place Name | Johannesburg |
| Place Type | Unincorporated |
| ZIP Code(s) | 49751 |
| County | Otsego County |
| Area Code(s) | 989 |
| Timezone | Eastern Daylight Time (EDT) |
| Population () | |
| US Congressional District(s) | Michigan 1st |
| State House Districts | 105 |
| State Senate Districts | 36 |