Fernandina Beach city, Florida
Official LSAD Designation: Fernandina Beach city • Census GEOID: 1222175
• Nassau County
Demographics & Population Profile
Population and demographics for Fernandina Beach city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 13,869 | — | 2025 | Census |
| Median Age | 58.6 yrs | ±2.3 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 6,464 | ±365 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).