Shizuoka's 2025 population is now estimated at 2,930,170. In 1950, the population of Shizuoka was 380,439. Shizuoka experienced a decrease of -5,360 residents over the past year, marking an annual decline of -0.18%.These population estimates and projections come from the latest revision of the UN World Urbanization Prospects. These estimates represent the Urban agglomeration of Shizuoka, which typically includes Shizuoka's population in addition to adjacent suburban areas.