Zanglais is a rural area located in the commune of Saint-Louis-du-Sud within the Sud department of Haiti. It serves as a residential locality with a population of approximately 7,860 people.
The demographic composition of Zanglais includes roughly 4,103 males and 3,757 females. Of the total population, there are about 4,226 adults aged 18 years and older, while the remaining 3,634 residents are 17 years old or younger.