Tianshui's 2021 population is now estimated at 790,461. In 1950, the population of Tianshui was 59,931. Tianshui has grown by 25,089 since 2015, which represents a 3.28% 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 Tianshui, which typically includes Tianshui's population in addition to adjacent suburban areas.