Maebashi's 2025 population is now estimated at 323,018. In 1950, the population of Maebashi was 94,555. Maebashi experienced a decrease of -1,445 residents over the past year, marking an annual decline of -0.45%.These population estimates and projections come from the latest revision of the UN World Urbanization Prospects. These estimates represent the Urban agglomeration of Maebashi, which typically includes Maebashi's population in addition to adjacent suburban areas.