| Place Name | Underwood Township |
| Place Type | Township |
| ZIP Code(s) | 56229 56258 56263 56292 56297 |
| County | Redwood County |
| Area Code(s) | 507 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 236 |
| Majority Ethnicity | White 77.5% |
| US Congressional District(s) | Minnesota 7th |
| State House Districts | 16A |
| State Senate Districts | 16 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 77.5% |
| African American | 19.58% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.92% |