Tupper Lake is a town in the southwest corner of Franklin County, New York, United States. The population was 5,971 at the 2010 census. The town contains a village called Tupper Lake. Until July 2004, the town was known as “Altamont”, not to be confused with the village of Altamont in Albany County.
According to the United States Census Bureau, the town has a total area of 130.1 square miles (337.0 km), of which 117.3 square miles (303.9 km) is land and 12.7 square miles (33.0 km), or 9.80%, is water.
The town is inside the Adirondack Park. The south town line is the border of Hamilton County, and the west town line is the border of St. Lawrence County.
Tupper Lake is a water body in the southwest part of the town, and crosses the county line into St. Lawrence County.
New York State Route 3 joins New York State Route 30 at Tupper Lake village; the highways are conjoined through the eastern part of the town.
The Raquette River, a northwest flowing tributary of the St. Lawrence River, flows past Tupper Lake village.
As of the census of 2000, there were 6,137 people, 2,429 households, and 1,530 families residing in the town. The population density was 52.2 people per square mile (20.1/km²). There were 3,118 housing units at an average density of 26.5 per square mile (10.2/km²). The racial makeup of the town was 97.56% White, 1.27% African American, 0.29% Native American, 0.08% Asian, 0.08% from other races, and 0.72% from two or more races. Hispanic or Latino of any race were 0.57% of the population.
There were 2,429 households out of which 32.0% had children under the age of 18 living with them, 46.2% were married couples living together, 12.4% had a female householder with no husband present, and 37.0% were non-families. 30.6% of all households were made up of individuals and 14.7% had someone living alone who was 65 years of age or older. The average household size was 2.38 and the average family size was 2.97.
In the town, the population was spread out with 24.6% under the age of 18, 7.4% from 18 to 24, 29.3% from 25 to 44, 22.0% from 45 to 64, and 16.7% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 101.7 males. For every 100 females age 18 and over, there were 95.9 males.
The median income for a household in the town was $35,636, and the median income for a family was $45,000. Males had a median income of $30,951 versus $25,938 for females. The per capita income for the town was $15,696. About 6.9% of families and 33.4% of the population were below the poverty line, including 11.8% of those under age 18 and 14.1% of those age 65 or over.