Banjarmasin's 2025 population is now estimated at 799,706. In 1950, the population of Banjarmasin was 127,000. Banjarmasin has grown by 14,581 in the last year, which represents a 1.86% 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 Banjarmasin, which typically includes Banjarmasin's population in addition to adjacent suburban areas.