Kanpur's 2019 population is now estimated at 3,100,285. In 1950, the population of Kanpur was 688,228. Kanpur has grown by 86,225 since 2015, which represents a 0.71% 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 Kanpur, which typically includes Kanpur's population in addition to adjacent suburban areas.