Islandia village, New York
Official LSAD Designation: Islandia village • Census GEOID: 3637840
• Suffolk County
Demographics & Population Profile
Population and demographics for Islandia village.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 3,733 | — | 2025 | Census |
| Median Age | 43.3 yrs | ±10 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 1,217 | ±178 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).