North Greenbush is a town in Rensselaer County, New York, United States. North Greenbush is located in the western part of the county. The population was 12,075 at the 2010 census.
According to the United States Census Bureau, the town has a total area of 19.0 square miles (49 km), of which, 18.7 square miles (48 km) of it is land and 0.3 square miles (0.78 km) of it (1.74%) is water. The western section of the town is steeply sloped and cut by various ravines, the clay bluffs rise between 100 and 200 feet (61 m) above the river with little to no flood plain. The central and eastern parts consist of more gently rolling hills and valleys. The Hudson River is the river of the town, though it is inaccessible to the public at this time, the Wynants Kill in the northeastern section is a creek of some respectable size. Snyder’s Lake near the eastern border is the largest lake in the town and is accessible to the public.
The west town line is marked by the Hudson River with Albany County on the opposite shore. The city of Albany shares a brief common border with the town, the rest of the western boundary in the Hudson River is shared with the village of Menands within the town of Colonie. To the north is Troy and the town of Brunswick with the towns of Poestenkill and Sand Lake to the east. Most of the southern border is shared with East Greenbush, while the city of Rensselaer’s northern section is partially surrounded by North Greenbush in the town’s southwestern corner.
As of the census of 2000, there were 10,805 people, 4,161 households, and 2,916 families residing in the town. The population density was 578.0 people per square mile (223.2/km²). There were 4,336 housing units at an average density of 232.0 per square mile (89.6/km²). The racial makeup of the town was 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. Hispanic or Latino of any race were 0.85% of the population.
There were 4,161 households out of which 30.0% had children under the age of 18 living with them, 57.5% were married couples living together, 9.0% had a female householder with no husband present, and 29.9% were non-families. 25.2% of all households were made up of individuals and 11.9% 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 2.97.
In the town, the age distribution of the population shows 22.6% under the age of 18, 5.8% from 18 to 24, 27.7% from 25 to 44, 25.0% from 45 to 64, and 18.8% who were 65 years of age or older. The median age was 41 years. For every 100 females, there were 89.7 males. For every 100 females age 18 and over, there were 86.9 males.
The median income for a household in the town was $82,227, and the median income for a family was $62,845. Males had a median income of $40,872 versus $29,743 for females. The per capita income for the town was $24,025. About 2.0% of families and 3.0% of the population were below the poverty line, including 3.0% of those under age 18 and 2.5% of those age 65 or over.