Colonie /ˌkɒləˈniː/ is a town in Albany County, New York, United States. It is the most populous suburb of Albany, New York, and is the third largest town in area in Albany County, occupying about 11% of the county. Several hamlets exist within the town. As of the 2010 census, the town had a total population of 81,591.
According to the United States Census Bureau, the town has a total area of 57.9 square miles (149.9 km²). 56.1 square miles (145.2 km²) of it is land and 1.8 square miles (4.7 km²) of it (3.11%) is water.
The north town line borders Schenectady County, and Saratoga County, marked by the Mohawk River. The east town line is the border of Rensselaer County, marked by the Hudson River. The town lies near the junction of the Hudson and the Mohawk.
Interstate 87, Interstate 787, and U.S. Route 9 pass through the town. State Routes 2, 5, 7, 32 and 155 are also important arterials within the town.
As of the census of 2000, there were 79,258 people, 30,980 households, and 20,539 families residing in the town. The population density was 1,413.6 inhabitants per square mile (545.8/km²). There were 32,280 housing units at an average density of 575.7 per square mile (222.3/km²). The racial makeup of the town was 90.55% White, 3.96% Black or African American, 0.15% Native American, 3.59% Asian, 0.02% Pacific Islander, 0.61% from other races, and 1.13% from two or more races. Hispanic or Latino of any race were 1.86% of the population.
There were 30,980 households out of which 29.2% had children under the age of 18 living with them, 53.3% were married couples living together, 9.6% had a female householder with no husband present, and 33.7% were non-families. 28.1% of all households were made up of individuals and 11.1% had someone living alone who was 65 years of age or older. The average household size was 2.43 and the average family size was 3.00.
In the town, the population was spread out with 21.8% under the age of 18, 8.9% from 18 to 24, 27.8% from 25 to 44, 25.1% from 45 to 64, and 16.3% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 92.8 males. For every 100 females age 18 and over, there were 89.6 males.
The median income for a household in the town was $51,817, and the median income for a family was $62,649. Males had a median income of $41,453 versus $30,763 for females. The per capita income for the town was $25,231. About 3.0% of families and 4.7% of the population were below the poverty line, including 4.5% of those under age 18 and 6.0% of those age 65 or over.