Plaine Magnien's 2026 population is now estimated at 10,566. In 2000, the population of Plaine Magnien was 10,037. Plaine Magnien experienced a decrease of -7 residents over the past year, marking an annual decline of -0.07%. 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 .