Demographics & People — Quasset Lake, Connecticut
Population Overview
| Population (Census) | 233 |
| Estimated 2026 | ~1,000 |
| Median Age | 36.2 |
| Total Households | 79 |
| Family Households | 68 |
| Average Household Size | 2.95 |
| Diversity Index | 0.0 (relatively homogeneous) |
Race & Ethnicity
| White | 233 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 117 |
| French Canadian | 25 |
| European | 24 |
| Greek | 23 |
| German | 23 |
| Polish | 23 |
| British | 12 |
| Armenian | 12 |
| Swedish | 12 |
| Irish | 12 |
Language
| English Only | 149 |
| Spanish | 36 |
| Population 5+ | 185 |
Veterans
| Veterans | 8 |
| Population 18+ | 180 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Quasset Lake, Connecticut.