Preston is a town in Chenango County, New York, United States. The population was 1,044 at the 2010 census. Preston is an interior town of Chenango County and is west of the city of Norwich.
According to the United States Census Bureau, the town has a total area of 35.1 square miles (90.8 km), of which 34.9 square miles (90.3 km) is land and 0.15 square miles (0.4 km), or 0.49%, is water.
As of the census of 2000, there were 928 people, 344 households, and 243 families residing in the town. The population density was 26.6 people per square mile (10.3/km²). There were 426 housing units at an average density of 12.2 per square mile (4.7/km²). The racial makeup of the town was 97.74% White, 0.86% African American, 0.22% Native American, 0.32% Asian, 0.32% from other races, and 0.54% from two or more races. Hispanic or Latino of any race were 0.54% of the population.
There were 344 households out of which 34.0% had children under the age of 18 living with them, 57.3% were married couples living together, 7.6% had a female householder with no husband present, and 29.1% were non-families. 22.4% of all households were made up of individuals and 6.7% had someone living alone who was 65 years of age or older. The average household size was 2.59 and the average family size was 2.94.
In the town, the population was spread out with 25.3% under the age of 18, 7.2% from 18 to 24, 27.8% from 25 to 44, 26.2% from 45 to 64, and 13.5% who were 65 years of age or older. The median age was 39 years. For every 100 females, there were 109.5 males. For every 100 females age 18 and over, there were 106.9 males.
The median income for a household in the town was $32,431, and the median income for a family was $37,917. Males had a median income of $26,985 versus $19,200 for females. The per capita income for the town was $14,760. About 5.6% of families and 11.5% of the population were below the poverty line, including 9.1% of those under age 18 and 9.6% of those age 65 or over.