Belgaum's 2025 population is now estimated at 799,729. In 1950, the population of Belgaum was 115,406. Belgaum has grown by 16,709 in the last year, which represents a 2.13% 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 Belgaum, which typically includes Belgaum's population in addition to adjacent suburban areas.