Kouto Department was created in 2008 as a second-level subdivision via a split-off from Boundiali Department.[4] At its creation, it was part of Savanes Region.
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, Kouto Department became part of Bagoué Region in Savanes District.
^Citypopulation.de Population of the regions and departments of Ivory Coast
^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.
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