| Place Name | Seneca |
| Place Type | City |
| ZIP Code(s) | 64865 |
| County | Newton County |
| Area Code(s) | 417 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 2,168 |
| Population Growth Rate (2010-19) | -4.54% |
| Majority Ethnicity | White 86.29% |
| 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 | 86.29% |
| African American | 0% |
| Hispanic | 4.09% |
| Asian | 0.79% |
| Native American | 5.87% |
| Hawaiin/Pacific Islander | 2.96% |