Thurston is a town in Steuben County, New York, United States. The population was 1,309 at the 2000 census. The town is named after early landowner William Thurston.
According to the United States Census Bureau, the town has a total area of 36.5 square miles (95 km), of which, 36.4 square miles (94 km) of it is land and 0.1 square miles (0.26 km) of it (0.25%) is water.
Former New York State Route 333 (decommissioned and now County Road 333) passes across the town.
As of the census of 2000, there were 1,309 people, 462 households, and 351 families residing in the town. The population density was 35.9 people per square mile (13.9/km²). There were 587 housing units at an average density of 16.1 per square mile (6.2/km²). The racial makeup of the town was 97.78% White, 0.46% African American, 0.61% Native American, 0.23% Asian, and 0.92% from two or more races. Hispanic or Latino of any race were 0.84% of the population.
There were 462 households out of which 39.0% had children under the age of 18 living with them, 61.9% were married couples living together, 7.4% had a female householder with no husband present, and 24.0% were non-families. 15.8% of all households were made up of individuals and 5.0% had someone living alone who was 65 years of age or older. The average household size was 2.83 and the average family size was 3.20.
In the town, the population was spread out with 29.6% under the age of 18, 6.8% from 18 to 24, 32.1% from 25 to 44, 23.2% from 45 to 64, and 8.3% who were 65 years of age or older. The median age was 35 years. For every 100 females, there were 102.6 males. For every 100 females age 18 and over, there were 102.2 males.
The median income for a household in the town was $36,375, and the median income for a family was $39,602. Males had a median income of $29,792 versus $20,909 for females. The per capita income for the town was $13,725. About 9.6% of families and 12.1% of the population were below the poverty line, including 13.9% of those under age 18 and 2.6% of those age 65 or over.