Huaian's 2021 population is now estimated at 2,770,106. In 1950, the population of Huaian was 65,696. Huaian has grown by 114,786 since 2015, which represents a 4.32% 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 Huaian, which typically includes Huaian's population in addition to adjacent suburban areas.