It seems painfully simplistic sometimes to merely point out that, the more educated people are, the more likely they are to support marriage equality, and likewise, that a large part of the reason the Religious Right is still able to inflict their brand of hatred on the democratic process is that they prey on the fears of and outright lie to less educated voters, but sometimes it needs to be pointed out. This map, comparing the votes of North Carolinians on Amendment One with the percentage of college educated voters in each county, says it all quite nicely [click to embiggen, of course]:

nc1 A North Carolina Map That Says It All