According to the National Census of 2005, the total population of the area is approx. 22 000 people, of which 50.3 % are women. The majority of the people live in the densely settled urban part of Yaoundé in the southeast of the upper Mefou sub‐catchment and along the paved roads from Carrefour Nkolbisson in a northerly and westerly direction. The overall population density in the catchment is 227 people per km². The rural areas have an average population density of 76 people per km². An average household consists of 5.6 people. The upper Mefou sub‐catchment is located in the French‐speaking part of Cameroon, traditionally settled by Eton‐speaking people. In the urban areas, there is a mixture of people with various mother tongues.