Mzimba's 2026 population is now estimated at 31,057. In 1977, the population of Mzimba was 4,962. Mzimba has grown by 669 in the last year, which represents a 2.2% annual change. These population values and projections come from Malawi urban localities historical census rows 1977 and 1987 via CityPopulation official attribution, Malawi urban localities census rows 1998 and 2018 via CityPopulation official attribution, Malawi urban localities census rows 2008 via CityPopulation official attribution, Malawi 2018 urban centres population (direct official Annex 1E) and World Population Review Internal Projections .