Kuching's 2026 population is now estimated at 674,412. In 1950, the population of Kuching was 74,191. Kuching has grown by 11,095 in the last year, which represents a 1.67% 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 Kuching, which typically includes Kuching's population in addition to adjacent suburban areas.