Dortmund's 2021 population is now estimated at 589,748. In 1950, the population of Dortmund was 507,955. Dortmund has grown by 148 since 2015, which represents a 0.03% 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 Dortmund, which typically includes Dortmund's population in addition to adjacent suburban areas.