I was talking to my grandfather over the weekend, and we agreed that, as best we could tell, people in Minnesota were unusually nice and friendly. And now I’ve got the proof in the form of these maps showing personality characteristics by state.
First the “agreeableness” map:
And now the “extraverted” map:
As you can see, people in Minnesota are extraverted and agreeable — friendly, in layman’s terms. The maps also confirm one’s stereotype-based suspicion that the Northeast is full of neurotics.