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).
On June 1st, 1892, the municipality of Stoksund was formed by splitting the old municipality of Bjørnør into three distinct municipalities: Stoksund with a population of 1,122, Osen with a population of 1,575, and Roan with a population of 2,069.