We took a look at Obama's performance with white voters in all 50 states.
In 13 of them, Obama received less than 35% of the white vote. His three lowest performing states: Alabama (10%), Mississippi (11%), and Louisiana (14%). The other 10: GA (23%), SC (26%), TX (26%), OK (29%), AR (30%), UT (31%), AK (32%), WY (32%), ID (33%), and TN (34%).
On the other hand, Obama won the white vote in 18 states and DC: CA, CO, CT, DE, DC, HI, IL, IA, ME, MA, MI, MN. NH. NY. OR, RI, WA, WI and VT. Obama's lowest percentage of the white vote he received in a state that he won: NC (35%).
The highest percentage of the white vote Obama received in a state he lost: MT (45%)
From here (paragraph breaks added).
Also, notably from the same source:
(In 2004, 42% of voters nationwide were college graduates, and they split equally for John Kerry and George W. Bush. This time, that number was boosted to 44%, and the vote broke 53%-45% in the Democrat's favor.) But consider this: In 2008, college-educated voters outnumbered non-college grads at the polls in eleven states (CO, VA, NH, PA, NJ, CT, MD, NY, MA, VT, and DC). Barack Obama won all of them -- by an average of more than 24 percentage points. In states that McCain won, on average, 42% of voters were college grads. In states that Obama won, on average, 47% had a college diploma.
The two sets of numbers are not unrelated.