Ganca's 2021 population is now estimated at 344,108. In 1950, the population of Ganca was 108,093. Ganca has grown by 3,196 since 2015, which represents a 0.94% 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 Ganca, which typically includes Ganca's population in addition to adjacent suburban areas.