is the area inhabited by humans?
Yes, only four million people live here, indigenous people make up 10%.
Arctic Circle
Only four million people live north of the Arctic Circle due to the climate; nonetheless, some areas have been settled for thousands of years by indigenous peoples, who today make up 10% of the region's population. 
where did the polar bear live with her family Within the Arctic Circle, encompassing the Arctic Ocean, its surrounding seas and surrounding land masses. what is its food? Its diet primarily consists of ringed and bearded seals. is it flexible with food? Yes, they also eat muskox, reindeer, and even plants like berries, roots, and kelp. is it used a mascot? Yes, it is seen on the Canadian two-dollar coin, vehicle licence plates in the Northwest Territories in Canada, and it is the mascot of Bowdoin College, Maine. is there any peculiar phenomenon related to sun in the circle where these animals are found? Yes, the midnight sun - the centre of the sun is visible at local midnight, and polar night - the centre is not visible at local noon.
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Arctic Circle [SEP] Human habitation
Only four million people live north of the Arctic Circle due to the climate; nonetheless, some areas have been settled for thousands of years by indigenous peoples, who today make up 10% of the region's population. The largest communities north of the Arctic Circle are situated in Russia, Norway and Sweden: Murmansk (population 295,374), Norilsk (178,018), Tromsø (75,638), Vorkuta (58,133), and Kiruna (22,841). Rovaniemi (62,667) in Finland is the largest settlement in the immediate vicinity of the Arctic Circle, lying south of the line. In contrast, the largest North American community north of the Arctic Circle, Sisimiut (Greenland), has approximately 5,000 inhabitants.