Some things to remember:
1) IQ is not a reliable measure of intelligence. It is, however, an excellent measure of education.
2) The Poorest and least educated counties tend to be Democrat. State level is too wide.
Thats true. The most educated & least educated tend to be Democrat. The middle tends to be Republican.
True. If ya think about it, Dem strongholds are either deprived inner cities, poor rural areas (this is especially true of the Deep South) or college-ish.
GOP strongholds tend to be more affluent rural areas and exurbia...