Novosibirsk's 2025 population is now estimated at 1,706,660. In 1950, the population of Novosibirsk was 718,907. Novosibirsk has grown by 5,150 in the last year, which represents a 0.3% 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 Novosibirsk, which typically includes Novosibirsk's population in addition to adjacent suburban areas.