Well at least we know the types of people who support this guy, and it's certainly not surprising to find out they are not well-educated.
"He is strongest among Republicans who are less affluent, less educated and less likely to turn out to vote. His very best voters are self-identified Republicans who nonetheless are registered as Democrats. It’s a coalition that’s concentrated in the South, Appalachia and the industrial North, according to data provided to The Upshot by Civis Analytics, a Democratic data firm."