Nakuru's 2025 population is now estimated at 453,330. In 1950, the population of Nakuru was 19,582. Nakuru has grown by 16,340 in the last year, which represents a 3.74% 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 Nakuru, which typically includes Nakuru's population in addition to adjacent suburban areas.