Huasco Province (Spanish pronunciation: [ˈwasko], Spanish: Provincia de Huasco) is one of three provinces of the northern Chilean region of Atacama (III). Vallenar is the capital city.
According to the 2012 census by the National Statistics Institute, the province spans an area of 18,201.5 km (7,028 sq mi) and had a population of 72,145, giving it a population density of 3.7/km (10/sq mi). The province had a 2002 population of 66,491 Of these, 53,664 (80.7%) lived in urban areas and 12,827 (19.3%) in rural areas. Between the 1992 and 2002 censuses, the population grew by 2.7% (1,761 persons).
As a province, Huasco is a second-level administrative division of Chile, which is further divided into four communes (comunas). The province is administered by a presidentially appointed provincial delegate. Rodrigo Loyola Morenilla was appointed by president Gabriel Boric.