Cottleville city, Missouri
Official LSAD Designation: Cottleville city • Census GEOID: 2916678
• St. Charles County
Demographics & Population Profile
Population and demographics for Cottleville city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 6,717 | — | 2025 | Census |
| Median Age | 41.1 yrs | ±4 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 2,206 | ±185 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).