Marco Island city, Florida
Official LSAD Designation: Marco Island city • Census GEOID: 1243083
• Collier County
Demographics & Population Profile
Population and demographics for Marco Island city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 16,421 | — | 2025 | Census |
| Median Age | 67.9 yrs | ±1.8 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 8,609 | ±261 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).