Monrovia's 2025 population is now estimated at 1,794,650. In 1950, the population of Monrovia was 35,150. Monrovia has grown by 59,290 in the last year, which represents a 3.42% 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 Monrovia, which typically includes Monrovia's population in addition to adjacent suburban areas.