Demographics & People — Harbor Isle, New York
Population Overview
| Population (Census) | 1,401 |
| Estimated 2026 | ~800 |
| Median Age | 45.7 |
| Total Households | 460 |
| Family Households | 390 |
| Average Household Size | 3.05 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 1,229 |
| Black or African American | 0 |
| Asian | 172 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| Irish | 718 |
| Italian | 316 |
| German | 230 |
| Unclassified or not reported | 223 |
| Other groups | 130 |
| American | 85 |
| Hispanic: Hispanic or Latino | 81 |
| Hispanic: South American | 55 |
| Hispanic: Argentinean | 55 |
| English | 23 |
Language
| English Only | 1,171 |
| Spanish | 0 |
| Population 5+ | 1,368 |
Veterans
| Veterans | 31 |
| Population 18+ | 1,083 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Harbor Isle, New York.