Lenox is a town in Madison County, New York, United States. The population was 9,112 as of the 2010 census.
The north town line, defined by Oneida Lake, is the border of Oneida County, New York. The Oneida Creek is on the east town boundary. The New York State Thruway (Interstate 90) crosses the town.
According to the United States Census Bureau, the town has a total area of 36.4 square miles (94 km), all of which is land.
The village of New Lenox, Illinois is named in honor of Lenox.
As of the census of 2000, there were 8,665 people, 3,485 households, and 2,359 families residing in the town. The population density was 238.0 per square mile (91.9/km²). There were 3,877 housing units at an average density of 106.5 per square mile (41.1/km²). The racial makeup of the town was 97.66% White, 0.66% African American, 0.46% Native American, 0.24% Asian, 0.01% Pacific Islander, 0.24% from other races, and 0.73% from two or more races. Hispanic or Latino of any race were 0.87% of the population.
There were 3,485 households out of which 31.2% had children under the age of 18 living with them, 52.4% were married couples living together, 10.2% had a female householder with no husband present, and 32.3% were non-families. 26.7% of all households were made up of individuals and 13.1% had someone living alone who was 65 years of age or older. The average household size was 2.48 and the average family size was 2.99.
In the town, the population was spread out with 25.7% under the age of 18, 6.6% from 18 to 24, 29.4% from 25 to 44, 23.5% from 45 to 64, and 14.8% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 93.8 males. For every 100 females age 18 and over, there were 92.5 males.
The median income for a household in the town was $38,491, and the median income for a family was $46,458. Males had a median income of $34,602 versus $24,922 for females. The per capita income for the town was $17,398. About 6.5% of families and 10.6% of the population were below the poverty line, including 13.4% of those under age 18 and 14.5% of those age 65 or over.