Montreal Population 2025. Montréal’s population increased by 89,600 over the past year, up 4.3% compared to 2.3% for the province overall. It is one of the five largest french.

Current, historical, and projected population, growth rate, median age, population density, urbanization, and urban population. Montreal population in 2025 is estimated to be 4.51 million, covers city area of 431.50 sq km (166.60 sq mi), population density is 890 per square km, second most populous.