In 2021, its population was 65,981 and its seat is the settlement of Ouaninou.

The sub-prefectures of the department are Gbelo, Gouékan, Koonan, Ouaninou, Saboudougou, and Santa.

Ouaninou Department was created in 2011 as part of the restructuring of the subdivisions of Ivory Coast, when departments were converted from the second-level administrative subdivisions of the country to the third-level subdivisions.

It was created by splitting Touba Department.

This Woroba District location article is a stub.