Monterrey's 2023 population is now estimated at 5,116,647. In 1950, the population of Monterrey was 396,104. Monterrey has grown by 80,112 in the last year, which represents a 1.59% annual change. These population estimates and projections come from the latest revision of the UN World Urbanization Prospects. These estimates represent the Urban agglomeration of Monterrey, which typically includes Monterrey's population in addition to adjacent suburban areas.