| Place Name | Seneca Township (Newton County) |
| Place Type | Township |
| ZIP Code(s) | 64850 64865 74370 |
| County | Newton County |
| Area Code(s) | 417 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 3,139 |
| Majority Ethnicity | White 89.82% |
| Metro/Micro Stats Area | Joplin, MO |
| US Congressional District(s) | Missouri 7th |
| State House Districts | 159 |
| State Senate Districts | 32 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 89.82% |
| African American | 0% |
| Hispanic | 2.77% |
| Asian | 0.53% |
| Native American | 3.97% |
| Hawaiin/Pacific Islander | 2.9% |