Shishi's 2021 population is now estimated at 598,547. In 1950, the population of Shishi was 3,102. Shishi has grown by 13,230 since 2015, which represents a 2.26% 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 Shishi, which typically includes Shishi's population in addition to adjacent suburban areas.