Fort Lee, in Prince George County, Virginia, United States, is a United States Army post and headquarters of the United States Army Combined Arms Support Command (CASCOM)/ Sustainment Center of Excellence (SCoE), the U.S. Army Quartermaster School, the U.S. Army Ordnance School, the U.S. Army Transportation School, the Army Logistics University (ALU), Defense Contract Management Agency (DCMA), and the U.S. Defense Commissary Agency (DeCA). Fort Lee is a census-designated place (CDP) with a population of 9,874 as of the 2020 census – nearly triple the size of the 2010 census count.