Forestville is a hamlet (and census-designated place) in Chautauqua County, New York, United States. The population was 697 at the 2010 census. The hamlet is within the town of Hanover and in the northeast part of the county. It was an incorporated village from 1848 to 2016.
Forestville is in the southwest part of the town of Hanover at 42°28′18″N 79°10′27″W / 42.47167°N 79.17417°W / 42.47167; -79.17417 (42.471658, -79.174028).
According to the United States Census Bureau, the hamlet has a total area of 0.97 square miles (2.5 km), all of it land. Walnut Creek is joined by Tupper Creek north of the hamlet and flows northward to Lake Erie.
New York State Route 39 passes east–west through the hamlet as its main street and intersects county routes 85, 87, and 89. Route 39 leads east 12 miles (19 km) to Gowanda. Fredonia is 8 miles (13 km) to the west via Route 39 and U.S. Route 20.
As of the census of 2000, there were 770 people, 304 households, and 209 families residing in what was then a village. The population density was 787.9123 people per square mile (303.4/km²). There were 324 housing units at an average density of 331.5 per square mile (127.7/km²). The racial makeup of the village was 95.45% White, 0.26% African American, 1.04% Native American, 1.43% from other races, and 1.82% from two or more races. Hispanic or Latino of any race were 2.47% of the population. Of note, there is an estimated 91% of the population that is classified as “white”.
There were 304 households out of which 30.3% had children under the age of 18 living with them, 51.0% were married couples living together, 11.8% had a female householder with no husband present, and 31.3% were non-families. 25.0% of all households were made up of individuals and 10.5% had someone living alone who was 65 years of age or older. The average household size was 2.51 and the average family size was 2.99.
In the village, the population was spread out with 25.5% under the age of 18, 6.9% from 18 to 24, 28.7% from 25 to 44, 24.0% from 45 to 64, and 14.9% who were 65 years of age or older. The median age was 37 years. For every 100 females, there were 104.2 males. For every 100 females age 18 and over, there were 97.9 males.
The median income for a household in the village was $32,778, and the median income for a family was $41,042. Males had a median income of $32,159 versus $25,139 for females. The per capita income for the village was $15,993. About 4.8% of families and 10.2% of the population were below the poverty line, including 12.0% of those under age 18 and 18.1% of those age 65 or over.