Key Colony Beach city, Florida
Official LSAD Designation: Key Colony Beach city • Census GEOID: 1236325
• Monroe County
Demographics & Population Profile
Population and demographics for Key Colony Beach city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 741 | — | 2025 | Census |
| Median Age | 66.5 yrs | ±4.2 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 282 | ±102 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).