North Greenbush is a town located in Rensselaer County, New York. As of the 2000 census, the town had a total population of 10,805.
The Town of North Greenbush is located in the northwest part of the county. The town is southeast of the City of Troy. North Greenbush borders both Troy and the City of Rensselaer. Interstate 90 passes through the southwest corner of the town.
According to the United States Census Bureau, the town has a total area of 49.3 km² (19.0 mi²). 48.4 km² (18.7 mi²) of it is land and 0.9 km² (0.3 mi²) of it is water. The total area is 1.74% water.
The west town line is marked by the Hudson River with Albany County, New York on the opposite shore. The east town line borders the Towns of Poestenkill and Sand Lake.
As of the census of 2000, there are 10,805 people, 4,161 households, and 2,916 families residing in the town. The population density is 223.2/km² (578.0/mi²). There are 4,336 housing units at an average density of 89.6/km² (232.0/mi²). The racial makeup of the town is 96.81% White, 1.01% African American, 0.09% Native American, 0.76% Asian, 0.01% Pacific Islander, 0.24% from other races, and 1.08% from two or more races. 0.85% of the population are Hispanic or Latino of any race.
There are 4,161 households out of which 30.0% have children under the age of 18 living with them, 57.5% are married couples living together, 9.0% have a female householder with no husband present, and 29.9% are non-families. 25.2% of all households are made up of individuals and 11.9% have someone living alone who is 65 years of age or older. The average household size is 2.47 and the average family size is 2.97.
In the town the population is spread out with 22.6% under the age of 18, 5.8% from 18 to 24, 27.7% from 5 to 44, 25.0% from 45 to 64, and 18.8% who are 65 years of age or older. The median age is 41 years. For every 100 females there are 89.7 males. For every 100 females age 18 and over, there are 86.9 males.
The median income for a household in the town is $55,422, and the median income for a family is $62,845. Males have a median income of $40,872 versus $29,743 for females. The per capita income for the town is $24,025. 3.0% of the population and 2.0% of families are below the poverty line. Out of the total population, 3.0% of those under the age of 18 and 2.5% of those 65 and older are living below the poverty line.