Liaoyuan's 2025 population is now estimated at 389,767. In 1950, the population of Liaoyuan was 110,552. Liaoyuan has grown by 4,528 in the last year, which represents a 1.18% 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 Liaoyuan, which typically includes Liaoyuan's population in addition to adjacent suburban areas.