Marine City city, Michigan
Official LSAD Designation: Marine City city • Census GEOID: 2651600
• St. Clair County
Demographics & Population Profile
Population and demographics for Marine City city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 3,997 | — | 2025 | Census |
| Median Age | 51.1 yrs | ±3.3 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 2,024 | ±156 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).