Adiaké Department was created in 1998 as a second-level subdivision via a split-off from Aboisso Department.[4] At its creation, it was part of Sud-Comoé Region.
Adiaké Department was divided in 2008 with the split-off creation of Tiapoum Department.[5]
In 2011, districts were introduced as new first-level subdivisions of Ivory Coast. At the same time, regions were reorganised and became second-level subdivisions and all departments were converted into third-level subdivisions. At this time, Adiaké Department remained part of the retained Sud-Comoé Region in the new Comoé District.
In 2014, the population of the sub-prefecture of Adiaké was 44,257.[6]
Villages
The villages of the sub-prefecture of Adiaké and their population in 2014 are:[6]
^Décret n° 2008-96 du 5 mars 2008 portant création des départements de Bettié, Botro, Guéyo, Koro, Kouto, Ouangolodougou, Sinématiali, Tiapoum, Yakassé-Attobrou et Zoukougbeu.