According to the 1835 census, Bolsøy had a population of 2,391. On 1 January 1877, the Sotnakken farm (population: 19) was added to Bolsøy Municipality from Nesset Municipality.
In 1835, Bolsøy had a population of 2,391. On January 1st, 1877, the Sotnakken farm (population: 19) was added to Bolsøy Municipality from Nesset Municipality.