Baiyin's 2025 population is now estimated at 435,510. In 1950, the population of Baiyin was 51,651. Baiyin has grown by 6,659 in the last year, which represents a 1.55% 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 Baiyin, which typically includes Baiyin's population in addition to adjacent suburban areas.