Altamont is a village located in the town of Guilderland in Albany County, New York. The village is in the western part of the town. The population was 1,720 at the 2010 census. The name means “high mountain.”
According to the United States Census Bureau, the village has a total area of 1.2 square miles (3.1 km), all of it land. However, there are two major streams that run through the town center, the Joriohenen and the Ostenraakie.
As of the census of 2000, there were 1,737 people, 646 households, and 474 families residing in the village. The population density was 1,451.5 people per square mile (558.9/km²). There were 674 housing units at an average density of 563.2 per square mile (216.9/km²). The racial makeup of the village was 97.64% White, 1.09% African American, 0.12% Asian, 0.06% Pacific Islander, 0.17% from other races, and 0.92% from two or more races. Hispanic or Latino of any race were 1.04% of the population.
There were 646 households out of which 42.6% had children under the age of 18 living with them, 60.1% were married couples living together, 11.3% had a female householder with no husband present, and 26.5% were non-families. 22.0% of all households were made up of individuals and 11.6% had someone living alone who was 65 years of age or older. The average household size was 2.66 and the average family size was 3.14.
In the village, the population was spread out with 30.1% under the age of 18, 5.1% from 18 to 24, 30.2% from 25 to 44, 22.3% from 45 to 64, and 12.4% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 87.8 males. For every 100 females age 18 and over, there were 87.2 males.
The median income for a household in the village was $52,500, and the median income for a family was $61,750. Males had a median income of $45,865 versus $32,721 for females. The per capita income for the village was $23,232. About 2.7% of families and 4.0% of the population were below the poverty line, including 3.5% of those under age 18 and 5.9% of those age 65 or over.