Mafeteng's 2026 population is now estimated at 58,177. In 1986, the population of Mafeteng was 12,598. Mafeteng has grown by 1,700 in the last year, which represents a 3.01% annual change. These population values and projections come from Lesotho city census rows via CityPopulation fallback access and World Population Review Internal Projections .