Zacatecas's 2020 population is now estimated at 368,616. In 1950, the population of Zacatecas was 30,392. Zacatecas has grown by 30,449 since 2015, which represents a 1.74% 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 Zacatecas, which typically includes Zacatecas's population in addition to adjacent suburban areas.