Sapporo's 2025 population is now estimated at 2,653,580. In 1950, the population of Sapporo was 754,035. Sapporo experienced a decrease of -7,370 residents over the past year, marking an annual decline of -0.28%.These population estimates and projections come from the latest revision of the UN World Urbanization Prospects. These estimates represent the Urban agglomeration of Sapporo, which typically includes Sapporo's population in addition to adjacent suburban areas.