Kunshan's 2021 population is now estimated at 769,021. In 1950, the population of Kunshan was 18,373. Kunshan has grown by 31,367 since 2015, which represents a 4.25% 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 Kunshan, which typically includes Kunshan's population in addition to adjacent suburban areas.