Chamouny's 2026 population is now estimated at 4,717. In 2000, the population of Chamouny was 4,680. Chamouny experienced a decrease of -5 residents over the past year, marking an annual decline of -0.11%. These population values and projections come from Estimated resident population by district, MCA and VCA (Mauritius official open data) and World Population Review Internal Projections .