Heze's 2025 population is now estimated at 851,474. In 1950, the population of Heze was 3,157. Heze has grown by 12,546 in the last year, which represents a 1.5% 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 Heze, which typically includes Heze's population in addition to adjacent suburban areas.