Yukon–Koyukuk Census Area, Alaska
The Yukon - Koyukuk Census Area is a census area in the U.S. state of Alaska, extending from the Norton Sound on the west along the eponymous river and Yukon Koyukuk and the Brooks Range through the interior to the border to the Yukon Territory.
In 2010, the population was 5,588. The population density of 0.0173 inhabitants / km ², the lowest of all the districts of the United States. Yukon - Koyukuk part of the Unorganized Borough and thus has no headquarters. The Census Area has an area of 382,910 km ². 377,878 km ², almost exactly the area of Japan accounts for, on land and 5032 km ² to water.
The largest city in the region is Galena. The Yukon - Koyukuk Census Area is the largest and most sparsely populated county equivalent area of the United States.
The National Wildlife Refuges Innoko, Kanuti, Nowitna and Yukon Flats and parts of the Arctic, Koyukuk and Selawik National Wildlife Refuge, the Gates -of -the- Arctic National Park and the Yukon - Charley Rivers National Preserve located in the Yukon - Koyukuk Census Area.