| Place Name | Ottumwa Township |
| Place Type | Township |
| ZIP Code(s) | 66839 66856 66871 |
| County | Coffey County |
| Area Code(s) | 620 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 607 |
| Majority Ethnicity | White 92.91% |
| US Congressional District(s) | Kansas 2nd |
| State House Districts | 76 |
| State Senate Districts | 14 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 92.91% |
| African American | 0% |
| Hispanic | 0.81% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 6.28% |