Black colobuses are known to live at low densities, but there is currently no total population estimate for the species. One of the largest remaining populations of the species, consisting of 50,000-55,900 individuals, is found in Lope Reserve, Gabon. Other remaining large populations are found in the Foret des Abeilles in central Gabon and Douala-Edea Reserve in Cameroon.
Black colobuses are known to inhabit low densities but have no total population count for the species. One of the largest remaining populations, ranging from 50,000 to 55,900 individuals, is found within Lope Reserve in Gabon. Other significant groups can be located in the Foret des Abeilles in central Gabon and Douala-Edea Reserve in Cameroon.