The municipality of Stoksund was established on 1 June 1892 when the old municipality of Bjørnør was divided into three separate municipalities: Stoksund (population: 1,122), Osen (population: 1,575), and Roan (population: 2,069).
The creation of the municipality of Stoksund on June 1st, 1892, marked a significant event in the history of the region as it resulted from the division of the old municipality of Bjørnør into three distinct municipalities: Stoksund, Osen, and Roan.