Joinville's 2021 population is now estimated at 1,319,042. In 1950, the population of Joinville was 64,272. Joinville has grown by 15,901 since 2015, which represents a 1.22% 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 Joinville, which typically includes Joinville's population in addition to adjacent suburban areas.