Lampang's 2021 population is now estimated at 455,458. In 1950, the population of Lampang was 33,259. Lampang has grown by 5,977 since 2015, 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 Lampang, which typically includes Lampang's population in addition to adjacent suburban areas.