Radcliff is a city in Hardin County, Kentucky, United States. The population was 21,961 at the 2000 census. It is included in the Elizabethtown, Kentucky Metropolitan Statistical Area. Its economy is largely dominated by the county seat of Hardin County, Elizabethtown, as well as Fort Knox, as it sits by the entrance to the base. Prior to the Base Realignment and Closure (BRAC) reorganization, Radcliffs population reflected the transient nature of military officers who worked on the base. Since BRAC, and the relocation of the Human Resources Command (HRC) to Fort Knox, which is expected to have a net gain of about 5,000 full-time civilian and permanent military personnel assigned to the base, creating a more stable population, and providing an economic boost to Radcliff and the surrounding areas. Despite being in a dry county (Hardin), sales by the drink in restaurants seating at least 100 diners are allowed.