Grodno's 2026 population is now estimated at 403,090. In 1950, the population of Grodno was 64,669. Grodno has grown by 1,461 in the last year, which represents a 0.36% 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 Grodno, which typically includes Grodno's population in addition to adjacent suburban areas.