| Place Name | Gainesville |
| Place Type | Village |
| ZIP Code(s) | 14066 |
| County | Wyoming County |
| Area Code(s) | 585 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 312 |
| Population Growth Rate (2010-19) | -7.86% |
| Majority Ethnicity | White 97.76% |
| US Congressional District(s) | New York 27th |
| State Assembly Districts | 147 |
| State Senate Districts | 59 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 97.76% |
| African American | 0% |
| Hispanic | 1.87% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.37% |