There is a bit of truth in what everyone has said about the US's "geographic demographic", but I think it can be more easily understood by breaking it down into an urban/suburban/rural construct.
Toss the accents, which don't mean anything.
Go from the urban, where such things as "tradition" are "quaint" or "quirky" through suburbia, out to the rural, where tradition is "everything".
Go from the urban, where continued "enlightenment" is the rule, again out through suburbia to the rural, where enlightenment is "urban".
Exceptions exist, of course, but there're your delineations, culturally and otherwise.
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