People have wondered why Democrats are generally so strong in Vermont despite the state's history and having hostile demographics for Democrats. I found something interesting though less extreme, and comparable to Upstate New York and Oregon on this image:
Here is another image, compare to Ohio Pennsylvania and others:
The first image shows the votes in states' non urban areas where they are 89% white or more. This really stands out especially compared to their neighbors. Other states in this area have much greater Republican margins like Ohio and Kentucky, as does most of the other states shown west of New York. Why are Democrats so strong in these states?