There are very few cities within the Arctic Circle, and virtually every city that you can name isn't.
A few cities that are NOT include . . .
Dallas, Houston, El Paso, Oklahoma City, Tulsa, St. Louis, Chicago,
Milwaukee, San Francisco, Los Angeles, Las Vegas, New York City,
Seattle, Buffalo, Minneapolis, San Diego, Mexico City, Havana, Kingston,
Oranjestad, Honolulu, Port Moresby, Port Harcourt, Port au Prince,
Madrid, London, Paris, Berlin, Rome, Stockholm, Copenhagen,
Bogota, Miami, New Orleans, Glasgow, Belfast, Dublin, Cartagena,
Lisbon, Jerusalem, Tel Aviv, Haifa, Tokyo, Beijing, Jakarta, Sydney,
Alice Springs, Perth, Moscow, San Salvador, Tegucigalpa, Managua,
Quito, Caracas, La Paz, Anchorage, Athens, Ankara, Amman, Bangkok,
Baghdad, Beijing, Cairo, Colombo, Damascus, Dhaka, Eilat, Tehran,
Yangon, and a whole lot of others.
Cities that ARE within the Arctic Circle are
-- Barrow, Alaska
-- Murmansk and Norilsk, in Russia
and those are about the only ones I can think of.