Sheffield's 2020 population is now estimated at 730,158. In 1950, the population of Sheffield was 644,924. Sheffield has grown by 24,632 since 2015, which represents a 0.69% 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 Sheffield, which typically includes Sheffield's population in addition to adjacent suburban areas.