Langfang's 2021 population is now estimated at 763,320. In 1950, the population of Langfang was 12,632. Langfang has grown by 23,688 since 2015, which represents a 3.20% 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 Langfang, which typically includes Langfang's population in addition to adjacent suburban areas.