Chateaugay /ˈʃætəɡeɪ/ is a town in Franklin County, New York, United States. As of the 2010 census, the town population was 2,155. The name is derived from a location in France, which was applied to a local land grant.
According to the United States Census Bureau, the town has a total area of 49.8 square miles (129.0 km), of which 0.01 square miles (0.03 km), or 0.02%, is water.
The northern town line is the international border with Canada (Quebec), and the east town line is the border of Clinton County.
U.S. Route 11 is an east-west highway crossing the central part of the town. New York State Route 374 is a north-south highway intersecting US-11 at Chateaugay village.
The Chateaugay River, a tributary of the Saint Lawrence River, flows northward through the town from Lower Chateaugay Lake.
As of the census of 2000, there are 2,036 people, 714 households, and 477 families residing in the town. The population density is 40.9 people per square mile (15.8/km²). There are 865 housing units at an average density of 17.4 per square mile (6.7/km²). The racial makeup of the town is 89.69% White, 6.39% Black or African American, 0.34% Native American, 0.10% Asian, 2.95% from other races, and 0.54% from two or more races. 6.19% of the population are Hispanic or Latino of any race.
There are 714 households out of which 30.7% have children under the age of 18 living with them, 52.1% are married couples living together, 9.7% have a female householder with no husband present, and 33.1% are non-families. 27.2% of all households are made up of individuals and 11.5% have someone living alone who is 65 years of age or older. The average household size is 2.46 and the average family size is 2.97.
In the town, the population is spread out with 22.9% under the age of 18, 8.5% from 18 to 24, 35.8% from 25 to 44, 20.7% from 45 to 64, and 12.1% who are 65 years of age or older. The median age is 36 years. For every 100 females, there are 126.7 males. For every 100 females age 18 and over, there are 134.0 males.
The median income for a household in the town is $32,609, and the median income for a family is $37,639. Males have a median income of $29,716 versus $21,125 for females. The per capita income for the town is $15,541. 17.5% of the population and 12.3% of families are below the poverty line. Out of the total population, 23.1% of those under the age of 18 and 14.5% of those 65 and older are living below the poverty line.