Dehradun's 2021 population is now estimated at 943,136. In 1950, the population of Dehradun was 138,734. Dehradun has grown by 24,190 since 2015, which represents a 2.63% 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 Dehradun, which typically includes Dehradun's population in addition to adjacent suburban areas.