Salgar is a town and municipality in the Colombian department of Antioquia. With a population of 15,782, as per the 2018 census, Salg…Salgar is a town and municipality in the Colombian department of Antioquia. With a population of 15,782, as per the 2018 census, Salgar is part of the sub-region of Southwestern Antioquia. The town was hit by a massive landslide in 2015.