The Town of Niskayuna is located in the southeast part of the county, north and east of the City of Schenectady, and is the easternmost town in the county.
As of the census of 2000, there were 20,295 people, 7,787 households, and 5,793 families residing in the town. The population density was 1,438.3 people per square mile (555.3/km²). There were 8,046 housing units at an average density of 570.2/sq mi (220.2/km²). The town's population was 51.7% female and 48.3% male. The racial makeup of the town was 90.7% White, 6.0% Asian, 1.6% African-American, and 1.6% "Other."[1]
There were 7,787 households out of which 36.2% had children under the age of 18 living with them, 64.2% were married couples living together, 7.6% had a female householder with no husband present, and 25.6% were non-families. 22.1% of all households were made up of individuals and 11.5% had someone living alone who was 65 years of age or older. The average household size was 2.56 and the average family size was 3.02.
In the town the population was spread out with 26.1% under the age of 18, 4.2% from 18 to 24, 25.4% from 25 to 44, 27.1% from 45 to 64, and 17.1% who were 65 years of age or older. The median age was 42 years. For every 100 females there were 93.3 males. For every 100 females age 18 and over, there were 87.8 males.
The median income for a household in the town was $70,800, and the median income for a family was $79,539. Males had a median income of $59,738 versus $39,692 for females. The per capita income for the town was $33,257. The average family income in Niskayuna is the highest in the Capital District.[2]