Reggio Emilia's 2021 population is now estimated at 370,212. In 1950, the population of Reggio Emilia was 212,920. Reggio Emilia has grown by 3,518 since 2015, which represents a 0.96% 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 Reggio Emilia, which typically includes Reggio Emilia's population in addition to adjacent suburban areas.