Bochum's 2021 population is now estimated at 377,745. In 1950, the population of Bochum was 357,270. Bochum has grown by 1,753 since 2015, which represents a 0.47% 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 Bochum, which typically includes Bochum's population in addition to adjacent suburban areas.