Demographics & People — Islandia, New York
Population Overview
| Population (Census) | 3,581 |
| Estimated 2026 | ~3,600 |
| Median Age | 43.3 |
| Total Households | 1,241 |
| Family Households | 973 |
| Average Household Size | 2.83 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 1,431 |
| Black or African American | 476 |
| Asian | 201 |
| Hispanic or Latino | 1,300 |
Heritage & Ancestry
| Group | Count |
| Other groups | 1,465 |
| Hispanic: Hispanic or Latino | 1,363 |
| Unclassified or not reported | 1,059 |
| Hispanic: Central American | 536 |
| Hispanic: Salvadoran | 475 |
| Italian | 328 |
| Hispanic: South American | 312 |
| Hispanic: Puerto Rican | 221 |
| Hispanic: Dominican (Dominican Republic) | 215 |
| American | 192 |
Language
| English Only | 1,724 |
| Spanish | 1,313 |
| Population 5+ | 3,463 |
Veterans
| Veterans | 142 |
| Population 18+ | 2,888 |
Commuting
| Mean Commute Time | 30.3 minutes |
| Work from Home | 6.0% |
| Commuter Profile | N/A |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Islandia, New York.