Canisteo is a town in Steuben County, New York, United States. The population was 3,391 at the 2010 census. The name was taken from a former Indian village located here.
According to the United States Census Bureau, the town has a total area of 54.4 square miles (140.8 km²), all of it land.
The Canisteo River flows west to east through the north part of the town.
New York State Route 248 begins at New York State Route 36 in Canisteo village.
As of the census of 2000, there were 3,583 people, 1,423 households, and 980 families residing in the town. The population density was 65.9 people per square mile (25.4/km²). There were 1,704 housing units at an average density of 31.3 per square mile (12.1/km²). The racial makeup of the town was 98.24% White, 0.20% Black or African American, 0.17% Native American, 0.53% Asian, 0.25% from other races, and 0.61% from two or more races. Hispanic or Latino of any race were 0.84% of the population.
There were 1,423 households out of which 30.6% had children under the age of 18 living with them, 54.5% were married couples living together, 9.1% had a female householder with no husband present, and 31.1% were non-families. 26.8% of all households were made up of individuals and 13.6% had someone living alone who was 65 years of age or older. The average household size was 2.52 and the average family size was 3.04.
In the town, the population was spread out with 26.2% under the age of 18, 7.7% from 18 to 24, 24.9% from 25 to 44, 25.8% from 45 to 64, and 15.4% who were 65 years of age or older. The median age was 39 years. For every 100 females, there were 93.9 males. For every 100 females age 18 and over, there were 91.2 males.
The median income for a household in the town was $35,308, and the median income for a family was $41,859. Males had a median income of $32,225 versus $20,192 for females. The per capita income for the town was $15,162. About 8.8% of families and 11.6% of the population were below the poverty line, including 11.9% of those under age 18 and 2.3% of those age 65 or over.