Kota Kinabalu's 2025 population is now estimated at 613,127. In 1950, the population of Kota Kinabalu was 15,487. Kota Kinabalu has grown by 12,006 in the last year, which represents a 2% 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 Kota Kinabalu, which typically includes Kota Kinabalu's population in addition to adjacent suburban areas.