Kirkuk's 2026 population is now estimated at 1,158,040. In 1950, the population of Kirkuk was 84,289. Kirkuk has grown by 29,850 in the last year, which represents a 2.65% 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 Kirkuk, which typically includes Kirkuk's population in addition to adjacent suburban areas.