Granby is a town in Oswego County, New York, United States. The population was 6,821 at the 2010 census.
According to the United States Census Bureau, the town has a total area of 46.5 square miles (120 km), of which, 44.9 square miles (116 km) of it is land and 1.6 square miles (4.1 km) of it (3.36%) is water.
The east town line borders the Oswego River and the City of Fulton. The south town line is the border of Onondaga County, New York. Granby borders the town of Hannibal on the west and towns of Oswego and Minetto on the north.
As of the census of 2000, there were 7,009 people, 2,605 households, and 1,917 families residing in the town. The population density was 156.0 people per square mile (60.2/km²). There were 2,869 housing units at an average density of 63.9 per square mile (24.7/km²). The racial makeup of the town was 97.57% White, 0.54% African American, 0.46% Native American, 0.23% Asian, 0.34% from other races, and 0.86% from two or more races. Hispanic or Latino of any race were 1.37% of the population.
There were 2,605 households out of which 37.0% had children under the age of 18 living with them, 55.5% were married couples living together, 11.6% had a female householder with no husband present, and 26.4% were non-families. 19.8% of all households were made up of individuals and 6.7% had someone living alone who was 65 years of age or older. The average household size was 2.69 and the average family size was 3.07.
In the town, the population was spread out with 28.3% under the age of 18, 7.5% from 18 to 24, 30.1% from 25 to 44, 23.8% from 45 to 64, and 10.3% who were 65 years of age or older. The median age was 36 years. For every 100 females, there were 98.3 males. For every 100 females age 18 and over, there were 96.4 males.
The median income for a household in the town was $36,610, and the median income for a family was $41,127. Males had a median income of $33,390 versus $24,125 for females. The per capita income for the town was $16,826. About 11.1% of families and 14.2% of the population were below the poverty line, including 22.6% of those under age 18 and 1.8% of those age 65 or over.
Granby New York neighborhoods include: Emery-Oneida Streets, Fulton, Lysander, Pollard Hills, South Granby, The Glen, Volney, W 4th St, West Side