Birkenhead's 2023 population is now estimated at 358,126. In 1950, the population of Birkenhead was 315,961. Birkenhead has grown by 2,152 in the last year, which represents a 0.6% 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 Birkenhead, which typically includes Birkenhead's population in addition to adjacent suburban areas.