Part of it is.
== == Oslo which is the capital of Norway is not north of the arctic circle. It lies 60 deg. north like Anchorage. The north peak of Norway and Alaska is north of the arctic circle. There they experience the midnight sun.
Part of Alaska
Part of Alaska lies above the Arctic Circle.
Alaska
Barrow, Alaska
The center of Kotzebue is about 24 miles north of the Arctic Circle.
The arctic circle
Alaska is the only US State through which the Arctic Circle passes.
In North America, they would be above the arctic circle in Canada and Alaska.
Juneau is the capital - but it is not within the Arctic Circle.
The Arctic Circle passes through Alaska. It also passes through Canada's northern territories, Greenland, Iceland, Norway, Sweden, Finland, and Russia.
Alaska