Shillong's 2025 population is now estimated at 520,140. In 1950, the population of Shillong was 56,874. Shillong has grown by 12,250 in the last year, which represents a 2.41% 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 Shillong, which typically includes Shillong's population in addition to adjacent suburban areas.