Seneca city, Missouri
Official LSAD Designation: Seneca city • Census GEOID: 2966674
• Newton County
Demographics & Population Profile
Population and demographics for Seneca city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 2,343 | — | 2025 | Census |
| Median Age | 39.9 yrs | ±11.7 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 645 | ±116 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).