Ketchikan, Alaska.Ketchikan is named after Ketchikan Creek, which flows through the town. Ketchikan comes from the Tlingit name for the creek, Kitschk-hin, the meaning of which is unclear. Downtown Ketchikan, with the intersection of Dock and Front Streets at bottom. .Downtown Ketchikan, with seasonal storefronts along Front Street shown in the foreground. Cruise ship tourism drives a large part of the local economy from May to September each year.