| Place Name | Osago Township |
| Place Type | Township |
| ZIP Code(s) | 58254 58361 58380 |
| County | Nelson County |
| Area Code(s) | 701 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 53 |
| Majority Ethnicity | White 60.78% |
| US Congressional District(s) | North Dakota At-Large |
| State House Districts | 23 |
| State Senate Districts | 23 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 60.78% |
| African American | 21.57% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 17.65% |