Fort Drum is a U.S. Army military reservation and a census-designated place (CDP) in Jefferson County, near the western border of northern 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. Fort Drum consists of 107,265 acres. Its mission includes command of active component units assigned to the installation, providing administrative and logistical support to tenant units, support to active and reserve…