Diagourou is a rural commune located in the Dosso Region of [[Niger]]. It is administratively part of the Doutchi Department in the southwestern portion of the country.
Geographically, Diagourou is situated within a semi-arid Sahelian climate zone. The landscape is characterized by savanna and scrubland, with areas dedicated to subsistence agriculture.
As of the 2012 national census, the commune of Diagourou had a population of 47,871 inhabitants. The local economy is predominantly based on agriculture, with the cultivation of staple crops such as millet and sorghum, and the raising of livestock being the primary activities. Diagourou commune comprises several administrative villages and hamlets, which serve as local centers for the surrounding rural communities, providing essential administrative and social functions.