 It was formerly the smallest incorporated city in the state as of 2000, but is now the second smallest as of 2010, with Bettles, Alaska being the smallest, with 12 residents.Among the incorporators of Kupreanof were former longtime and much beloved Petersburg Grade School Principal Harold Bergman.Kupreanof was once called West Petersburg and was a thriving community of fur farms and commercial fishermen in the early- to mid-20th century.