[dragonwriter]

> Notably, Maine allows inmates to vote and Maine is overwhelmingly white. Vermont is the same way.

Being overwhelmingly white is probably part of the reason; if you don't have a visible black underclass to subjugate, you don't take steps to subjugate them. In discussing the thesis of felon disenfranchisement as part of “the New Jim Crow”, pointing out that states without a notable visible black population don't engage in disenfranchisement is in line with that thesis.