Roseboom is a town in Otsego County, New York, United States. The population was 711 at the 2010 census. The town name is that of an early landowners and settlers Abram and John Roseboom.
According to the United States Census Bureau, the town has a total area of 33.1 square miles (86 km), of which, 33.0 square miles (85 km) of it is land and 0.1 square miles (0.26 km) of it (0.18%) is water.
New York State Route 165 intersects New York State Route 166 near the west town line at Roseboom village.
Cherry Valley Creek flows southward near the west town line, receiving the inflow of Pleasant Brook and Snyder Creek.
As of the census of 2000, there were 684 people, 267 households, and 191 families residing in the town. The population density was 20.7 people per square mile (8.0/km²). There were 416 housing units at an average density of 12.6 per square mile (4.9/km²). The racial makeup of the town was 98.39% White, 0.15% African American, 0.88% Asian, 0.15% from other races, and 0.44% from two or more races. Hispanic or Latino of any race were 0.73% of the population.
There were 267 households out of which 33.3% had children under the age of 18 living with them, 55.1% were married couples living together, 9.4% had a female householder with no husband present, and 28.1% were non-families. 21.0% of all households were made up of individuals and 8.6% had someone living alone who was 65 years of age or older. The average household size was 2.56 and the average family size was 2.98.
In the town, the population was spread out with 24.4% under the age of 18, 7.5% from 18 to 24, 27.8% from 25 to 44, 27.6% from 45 to 64, and 12.7% who were 65 years of age or older. The median age was 39 years. For every 100 females, there were 106.6 males. For every 100 females age 18 and over, there were 106.8 males.
The median income for a household in the town was $37,841, and the median income for a family was $43,438. Males had a median income of $24,205 versus $19,940 for females. The per capita income for the town was $19,977. About 7.4% of families and 10.6% of the population were below the poverty line, including 19.4% of those under age 18 and 2.7% of those age 65 or over.