Mongmong-Toto-Maite's 2026 population is now estimated at 6,127. In 1990, the population of Mongmong-Toto-Maite was 5,845. Mongmong-Toto-Maite experienced a decrease of -42 residents over the past year, marking an annual decline of -0.68%. These population values and projections come from Guam BSP decennial municipality population table (1990-2010), U.S. Census Bureau 2020 Island Areas Guam DHC municipality population and World Population Review Internal Projections .