Arctic Circle level, although in mountainous regions there is often no direct view of the true horizon. Only four million people live north of the Arctic Circle due to the severe climate; nonetheless, some areas have been settled for thousands of years by indigenous peoples, who today make up 10% of the region's population. Tens of thousands of years ago, waves of people migrated from eastern Siberia across the Bering Strait into North America to settle. The largest communities north of the Arctic Circle are situated in Russia, Norway and Sweden: Murmansk (population 307,257), Norilsk (175,365), Tromsø (71,295), Vorkuta (59,231) and Kiruna
Circle, Alaska Circle, Alaska Circle (also called Circle City, "Danzhit Khaiinląįį" in Gwich'in) is a census-designated place (CDP) in Yukon-Koyukuk Census Area, Alaska, United States. At the 2010 census the population was 104, up from 100 in 2000. Circle is northeast of Fairbanks at the end of the Steese Highway. Circle was named by miners in the late 19th century who believed that the town was on the Arctic Circle, but the Arctic Circle is about north of Circle. Every February, Circle City hosts a checkpoint for the long-distance Yukon Quest sled dog race. Many of the events in John McPhee's non-fiction