Elqui ProvinceElqui Province is a province in the Chilean region of Coquimbo. The provincial capital is the city of Coquimbo.Geography and demographyAccording to the 2012 census by the National [Statistics Institute (Chile)|National Statistics Institute], the province spans an area of and had a population of 442,999 inhabitants, giving it a population density of. It is the ninth most populated province in the country. Between the 1992 and 2002 censuses, the population grew by 28.3%.Municipalities in the province of Elqui Andacollo Coquimbo La Higuera La Serena Paihuano Vicuña