| Place Name | Oak Valley Township |
| Place Type | Township |
| ZIP Code(s) | 56361 56453 56482 56527 56551 |
| County | Otter Tail County |
| Area Code(s) | 218 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 325 |
| Majority Ethnicity | White 99.07% |
| Metro/Micro Stats Area | Fergus Falls, MN |
| US Congressional District(s) | Minnesota 7th |
| State House Districts | 08B |
| State Senate Districts | 8 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 99.07% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.93% |