Laiyang's 2025 population is now estimated at 412,856. In 1950, the population of Laiyang was 13,247. Laiyang has grown by 5,915 in the last year, which represents a 1.45% 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 Laiyang, which typically includes Laiyang's population in addition to adjacent suburban areas.