Demographics & People — Hillside Lake, New York
Population Overview
| Population (Census) | 1,073 |
| Estimated 2026 | ~400 |
| Median Age | 59.2 |
| Total Households | 412 |
| Family Households | 340 |
| Average Household Size | 2.6 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 1,044 |
| Black or African American | 25 |
| Asian | 2 |
| Hispanic or Latino | 21 |
Heritage & Ancestry
| Group | Count |
| Italian | 565 |
| German | 224 |
| Irish | 218 |
| Unclassified or not reported | 176 |
| American | 103 |
| Czech | 62 |
| English | 60 |
| British | 49 |
| Other groups | 34 |
| Polish | 25 |
Language
| English Only | 1,057 |
| Spanish | 0 |
| Population 5+ | 1,073 |
Veterans
| Veterans | 28 |
| Population 18+ | 1,042 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Hillside Lake, New York.