Laizhou's 2025 population is now estimated at 415,732. In 1950, the population of Laizhou was 4,515. Laizhou has grown by 5,456 in the last year, which represents a 1.33% 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 Laizhou, which typically includes Laizhou's population in addition to adjacent suburban areas.