Sea Cliff village, New York
Official LSAD Designation: Sea Cliff village • Census GEOID: 3666047
• Nassau County
Demographics & Population Profile
Population and demographics for Sea Cliff village.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 5,031 | — | 2025 | Census |
| Median Age | 40.5 yrs | ±5.3 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 1,769 | ±117 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).