Saltillo's 2021 population is now estimated at 1,000,750. In 1950, the population of Saltillo was 70,008. Saltillo has grown by 16,966 since 2015, which represents a 1.72% 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 Saltillo, which typically includes Saltillo's population in addition to adjacent suburban areas.