Izhevsk's 2025 population is now estimated at 652,790. In 1950, the population of Izhevsk was 210,503. Izhevsk has grown by 326 in the last year, which represents a 0.05% 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 Izhevsk, which typically includes Izhevsk's population in addition to adjacent suburban areas.