Kuching's 2025 population is now estimated at 663,317. In 1950, the population of Kuching was 74,191. Kuching has grown by 10,997 in the last year, which represents a 1.69% 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.