Jefferson is a town in Schoharie County, New York, USA. The population was 1,285 at the 2000 census.
According to the United States Census Bureau, the town has a total area of 43.4 square miles (112 km), of which, 43.3 square miles (112 km) of it is land and 0.1 square miles (0.26 km) of it (0.28%) is water.
The west town line is the border of Delaware County.
The West Branch of the Delaware River originates in Jefferson.
As of the census of 2000, there are 1,285 people, 520 households, and 364 families residing in the town. The population density is 11.5/km²
km² (29.7/sq mi). There were 904 housing units at an average density of 20.9 per square mile (8.1/km²). The racial makeup of the town was 96.42% White, 1.71% African American, 0.16% Native American, 0.08% Asian, 0.08% from other races, and 1.56% from two or more races. Hispanic or Latino of any race were 1.17% of the population.
There were 520 households out of which 27.9% had children under the age of 18 living with them, 58.3% were married couples living together, 7.5% had a female householder with no husband present, and 30.0% were non-families. 25.0% of all households were made up of individuals and 9.0% had someone living alone who was 65 years of age or older. The average household size was 2.47 and the average family size was 2.91.
In the town, the population was spread out with 23.3% under the age of 18, 4.7% from 18 to 24, 25.4% from 25 to 44, 30.7% from 45 to 64, and 15.9% who were 65 years of age or older. The median age was 43 years. For every 100 females, there were 100.8 males. For every 100 females age 18 and over, there were 100.6 males.
The median income for a household in the town was $35,000, and the median income for a family was $43,269. Males had a median income of $34,875 versus $25,417 for females. The per capita income for the town was $19,569. About 9.1% of families and 9.9% of the population were below the poverty line, including 10.8% of those under age 18 and 9.2% of those age 65 or over.