Demographics & People — Gainesville, New York
Population Overview
| Population (Census) | 209 |
| Estimated 2026 | ~300 |
| Median Age | 47.8 |
| Total Households | 98 |
| Family Households | 51 |
| Average Household Size | 2.13 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 199 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 10 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 65 |
| German | 56 |
| Irish | 37 |
| English | 37 |
| Other groups | 32 |
| Italian | 13 |
| European | 13 |
| Scottish | 9 |
| Swedish | 5 |
| Dutch | 4 |
Language
| English Only | 199 |
| Spanish | 0 |
| Population 5+ | 200 |
Veterans
| Veterans | 10 |
| Population 18+ | 179 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Gainesville, New York.