Southern maine (portland) is commonly referred to as north boston.

Augusta south is more populated. Unless you have a job lined up, going north of Bangor could be tough finding a good job, but they are out there.

If you love the outdoors and enjoy the quiet, you will love it north of bangor. Just an FYI if you want internet north of bangor there are few options in some area's, most people are moving to starlink since your lucky to get 5MB-10MB dsl in a lot of area's