Belgorod's 2025 population is now estimated at 420,057. In 1950, the population of Belgorod was 40,509. Belgorod has grown by 1,439 in the last year, which represents a 0.34% 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 Belgorod, which typically includes Belgorod's population in addition to adjacent suburban areas.