Ardabil's 2025 population is now estimated at 614,154. In 1950, the population of Ardabil was 56,435. Ardabil has grown by 8,177 in the last year, which represents a 1.35% 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 Ardabil, which typically includes Ardabil's population in addition to adjacent suburban areas.