Lake Luzerne, formerly the Town of Fairfield and then Luzerne, is a town in southern Warren County, New York, United States. The town is located within the Adirondack Park. The town is part of the Glens Falls Metropolitan Statistical Area. Lake Luzerne is west of the city of Glens Falls. The town population was 3,347 at the 2010 census.
According to the United States Census Bureau, the town has a total area of 54.1 square miles (140 km), of which, 52.6 square miles (136 km) of it is land and 1.4 square miles (3.6 km) of it (2.66%) is water.
The south and west town lines are the border of Saratoga County, New York and the Hudson River. The north town line is the border with the town of Warrensburg. the east town line is the border with the towns of Queensbury and Lake George.
Just north of the bridge across the Hudson to Hadley is the most narrow point of the entire Hudson River, Rockwell Falls. Just south of here is where the Sacandaga River meets the Hudson.
As of the census of 2000, there were 3,219 people, 1,264 households, and 883 families residing in the town. The population density was 61.2 people per square mile (23.6/km). There were 1,949 housing units at an average density of 37.0 per square mile (14.3/km). The racial makeup of the town was 97.79% White, 0.25% African American, 0.34% Native American, 0.28% Asian, 0.22% from other races, and 1.12% from two or more races. Hispanic or Latino of any race were 1.03% of the population.
There were 1,264 households out of which 31.9% had children under the age of 18 living with them, 57.4% were married couples living together, 8.6% had a female householder with no husband present, and 30.1% were non-families. 23.7% of all households were made up of individuals and 9.7% had someone living alone who was 65 years of age or older. The average household size was 2.54 and the average family size was 2.99.
In the town, the population was spread out with 24.9% under the age of 18, 6.8% from 18 to 24, 29.7% from 25 to 44, 25.1% from 45 to 64, and 13.6% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 98.0 males. For every 100 females age 18 and over, there were 96.7 males.
The median income for a household in the town was $36,348, and the median income for a family was $40,104. Males had a median income of $30,152 versus $20,654 for females. The per capita income for the town was $16,246. About 7.7% of families and 10.3% of the population were below the poverty line, including 16.1% of those under age 18 and 6.9% of those age 65 or over.