Fort Drum is a U.S. Army military reservation and a census-designated place (CDP) in Jefferson County, on the northern border of New York, United States. The population of the CDP portion of the base was 12,955 at the 2010 census. It is home to the 10th Mountain Division.
According to the United States Census Bureau, the CDP portion of Fort Drum has a total area of 14.42 square miles (37.35 km), of which 14.33 square miles (37.11 km) are land and 0.093 square miles (0.24 km), or 0.65%, are water.
The military reservation occupies a large tract in the eastern part of Jefferson County, including parts of the towns of Antwerp, Leray, Philadelphia, and Wilna. The reservation also extends east into the town of Diana in Lewis County. Several villages in Jefferson County are on the border of Fort Drum: Antwerp, Black River, Carthage, Evans Mills, and Philadelphia. The nearest city is Watertown, New York, 13 miles (21 km) to the southwest, which is the service and shopping destination for the fort’s personnel.
The Indian and Black rivers flow along part of the reservation boundary.
As of the census of 2000, there were 12,123 people, 2,253 households, and 2,203 families residing in the CDP. The population density was 479.8 per square mile (185.2/km²). There were 2,280 housing units at an average density of 90.2/sq mi (34.8/km²). The racial makeup of the CDP was 64.2% White, 19.8% African American, 0.8% Native American, 2.4% Asian, 0.7% Pacific Islander, 7.6% from other races, and 4.5% from two or more races. Hispanic or Latino of any race were 13.3% of the population.
There were 2,253 households of which 75.3% had children under the age of 18 living with them, 91.9% were married couples living together, 4.3% had a female householder with no husband present, and 2.2% were non-families. Of all households, 2.0% were made up of individuals and none had someone living alone who was 65 years of age or older. The average household size was 3.33 and the average family size was 3.36.
In the CDP, the population was spread out with 24.9% under the age of 18, 37.5% from 18 to 24, 36.0% from 25 to 44, 1.5% from 45 to 64, and 0.1% who were 65 years of age or older. The median age was 22 years. For every 100 females, there were 186.9 males. For every 100 females age 18 and over, there were 235.4 males.
The median income for a household in the CDP was $31,699, and the median income for a family was $31,202. Males had a median income of $19,779 versus $19,401 for females. The per capita income for the CDP was $13,395. About 6.3% of families and 6.2% of the population were below the poverty line, including 6.8% of those under age 18 and none of those age 65 or over.