 Last resident at Østerbø is Knut Mikkelsen Østerbø, born 1846 - dead 1914.The population in Aurland in 1845 was recorded as 2,811 individuals.Extensive emigration to America, deaths from the Spanish Influenza in 1918-1919 and emigration to the cities, especially in the twentieth century, resulted in a population decrease to 2,193 by 1960.