Jiangyin's 2021 population is now estimated at 874,924. In 1950, the population of Jiangyin was 3,424. Jiangyin has grown by 31,632 since 2015, which represents a 3.75% 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 Jiangyin, which typically includes Jiangyin's population in addition to adjacent suburban areas.