Marthasville city, Missouri
Official LSAD Designation: Marthasville city • Census GEOID: 2946424
• Warren County
Demographics & Population Profile
Population and demographics for Marthasville city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 1,302 | — | 2025 | Census |
| Median Age | 30.5 yrs | ±5.6 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 686 | ±181 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).