Yichun Heilongjiang's 2025 population is now estimated at 599,590. In 1950, the population of Yichun Heilongjiang was 335,925. Yichun Heilongjiang has grown by 4,562 in the last year, which represents a 0.77% 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 Yichun Heilongjiang, which typically includes Yichun Heilongjiang's population in addition to adjacent suburban areas.