 The town had a population of 10,677 inhabitants in 2011, in an area of .First referred to as "Almansil", Almancil had an Arabic origin; it was likely "Almançal", which means "inn" or another variant suggesting a watercourse ("Almansil").The territory that is today Almancil remotes to the Paleolithic, with archaeological excavations unearthing vestages from remote settlements.