Health district	Population	Main ethnic group	Main langage
Diebougou	135 740	Lobi	Lobiri
Gourcy	221 372	Mossi	Mooré
Kaya	384 585	Mossi / Peuls	Mooré / Fulfudé
Ouargaye	351 870	Mossi / Bissa/ Yaana	Mooré /Bissa /Yaana