Barletta's 2021 population is now estimated at 341,088. In 1950, the population of Barletta was 271,228. Barletta has grown by 108 since 2015, which represents a 0.03% 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 Barletta, which typically includes Barletta's population in addition to adjacent suburban areas.