Suqian's 2021 population is now estimated at 1,520,240. In 1950, the population of Suqian was 758. Suqian has grown by 80,180 since 2015, which represents a 5.57% 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 Suqian, which typically includes Suqian's population in addition to adjacent suburban areas.