What is the most northern state in the continental United States?

Answer 1

Since Alaska is part of the North American continent, it is the northernmost state.

However, if you mean the northernmost contiguous state, then it's Minnesota. Check this map.

http://geography.about.com/gi/o.htm?zi=1/XJ/Ya&zTi=1&sdn=geography&cdn=education&tm=17&gps=33_564_852_567&f=21&tt=14&bt=0&bts=0&zu=http%3A//www.lib.utexas.edu/maps/united_states/united_states_pol02.jpg