At the 2001 census the commune of Garhanga had a total of 48,270 inhabitants.Institut Nationale de la Statistique du Niger (Hrsg.): Annuaire statistique des cinquante ans d’indépendance du Niger. Niamey 2010 (Online-Version; PDF; 3,1 MB), p. 55. In the 2012 census, the population had increased to 69,712. In the community reside members of the tribes of Hausa, Tuareg and Fulani. In addition to Islam, traditional religions are still practiced.Plan de Développement Communal (PDC) 2007–2010. Version provisoire, p. 15–16
