Comilla's 2021 population is now estimated at 609,345. In 1950, the population of Comilla was 78,540. Comilla has grown by 20,573 since 2015, which represents a 3.49% 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 Comilla, which typically includes Comilla's population in addition to adjacent suburban areas.