The 2010 census population of Altar is 460, Liano Blanco's population was 7,927 and 16 de Septiembre was 296.
Altar is a municipality in Sonora in north-western Mexico. The municipality had a 2010 census population of 9,049 inhabitants, the vast majority of whom lived in the municipal seat of Altar, which had a population of 7,927 inhabitants. 
