Grodno's 2025 population is now estimated at 401,629. In 1950, the population of Grodno was 64,669. Grodno has grown by 1,929 in the last year, which represents a 0.48% 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.