Khubar's 2025 population is now estimated at 368,825. In 1950, the population of Khubar was 4,251. Khubar has grown by 6,881 in the last year, which represents a 1.9% 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 Khubar, which typically includes Khubar's population in addition to adjacent suburban areas.