Demographics & People — Seneca Knolls, New York
Population Overview
| Population (Census) | 2,308 |
| Estimated 2026 | ~1,400 |
| Median Age | 50.0 |
| Total Households | 1,029 |
| Family Households | 628 |
| Average Household Size | 2.24 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 2,183 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 604 |
| Irish | 389 |
| German | 373 |
| Other groups | 215 |
| English | 198 |
| Italian | 195 |
| Scandinavian | 159 |
| Polish | 143 |
| French (except Basque) | 131 |
| Scottish | 87 |
Language
| English Only | 2,108 |
| Spanish | 0 |
| Population 5+ | 2,132 |
Veterans
| Veterans | 144 |
| Population 18+ | 1,933 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Seneca Knolls, New York.