| Official Name: | Gainesville, New York |
| Settlement Type: | Village |
| Pushpin Map: | New York |
| Pushpin Map Caption: | Location within the state of New York |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | New York |
| Subdivision Type2: | County |
| Subdivision Name2: | Wyoming |
| Established Title: | Settled |
| Established Title1: | Incorporated |
| Named For: | Edmund P. Gaines |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 2.22 |
| Area Land Km2: | 2.22 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 0.86 |
| Area Land Sq Mi: | 0.86 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 211 |
| Population Density Km2: | 95.18 |
| Population Density Sq Mi: | 246.50 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation M: | 507 |
| Elevation Ft: | 1663 |
| Coordinates: | 42.6642°N -78.1161°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 14066 |
| Area Code: | 585 |
| Blank Name: | FIPS code |
| Blank Info: | 36-27969 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 950842 |
Gainesville is a village in Wyoming County, New York, United States. The population was 304 at the 2000 census. The village is named after General Edmund P. Gaines.[2]
The Village of Gainesville lies within the boundaries of the Town of Gainesville. The village is on NYS Route 19, south of NYS Route 78.
The Village of Gainesville was incorporated in 1902.
According to the United States Census Bureau, the village has a total area of 0.9 square mile (2.2 km2), all land.
As of the census of 2000, there were 304 people, 113 households, and 87 families residing in the village. The population density was 356.8sp=usNaNsp=us. There were 122 housing units at an average density of 55.4 persons/km2 (143.2 persons/sq mi). The racial makeup of the village was 99.67% White, 0.00% African American, 0.00% Native American, 0.33% Asian, 0.00% Pacific Islander, 0.00% from other races. 0.66% of the population were Hispanic or Latino of any race.
There were 113 households, out of which 44.2% had children under the age of 18 living with them, 53.1% were married couples living together, 15.9% have a woman whose husband does not live with her, and 23.0% were non-families. 16.8% of all households were made up of individuals, and 4.4% had someone living alone who was 65 years of age or older. The average household size was 2.69 and the average family size was 2.98.
In the village, the population was spread out, with 30.6% under the age of 18, 6.9% from 18 to 24, 30.6% from 25 to 44, 21.4% from 45 to 64, and 10.5% who were 65 years of age or older. The median age was 36 years. For every 100 females, there were 104.0 males. For every 100 females age 18 and over, there were 91.8 males.
The median income for a household in the village was $31,875, and the median income for a family was $30,500. Males had a median income of $33,571 versus $18,000 for females. The per capita income for the village was $14,385. 7.4% of the population and 6.1% of families were below the poverty line. Out of the total people living in poverty, 6.7% are under the age of 18 and 0.0% are 65 or older.