Tampico's 2021 population is now estimated at 1,016,514. In 1950, the population of Tampico was 165,324. Tampico has grown by 15,236 since 2015, which represents a 1.52% 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 Tampico, which typically includes Tampico's population in addition to adjacent suburban areas.