Diffa sashe ne daga cikin sassan dake a yankin Diffa, na Jamhuriyyar Nijar. Babban birnin sashen shine garin Diffa. Bisaga kidayar 2011, yawan mutane a sashen ya kai 209,249. "Annuaires_Statistiques" (PDF). Institut National de la Statistique. Retrieved 19 December 2019.