Hilltown is a small village within the townland of Carcullion in County Down, Northern Ireland. Hilltown is the main village of the parish of Clonduff which contains the village and the rural areas around it at one end, and the rural enclave of Cabra at the other end of the parish. It had a population of 899 people in the 2001 census. On 27 March 2011, the usually resident population of Hilltown was 1,709.