Calabar's 2021 population is now estimated at 604,546. In 1950, the population of Calabar was 43,743. Calabar has grown by 25,273 since 2015, which represents a 4.36% 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 Calabar, which typically includes Calabar's population in addition to adjacent suburban areas.