| Place Name | Millboro Township |
| Place Type | Township |
| ZIP Code(s) | 57580 68778 |
| County | Tripp County |
| Area Code(s) | 605 |
| Timezone | Central Standard Time (CST) |
| Population () | |
| US Congressional District(s) | South Dakota At-Large |
| State House Districts | 21 |
| State Senate Districts | 21 |