My first thought was South Dakota-Nebraska, but Kansas-Nebraska is close enough.
I must say the Utah Idaho compairison is interesting. I mean they are both conservative, but in very different ways. I mean, I've heard LatterDay Saints called a lot of things, but never heard them compaired to Aryan Nations.
Humorous note: when I was searching google to recall the name "Aryan Nation" I can across this:
Man, I wish I could breath fire that turns into a miniature A-bomb! AN just makes me think Jews are even cooler!
Note to self: Find many uses for this image...