A nice statistics ahowing how any state where the average iq was above 100 voted for Kerry, and Avery state where average iq was below 99 voted for Bush.
M. Smucker, J. Allan, и B. Carterette. CIKM '07: Proceedings of the sixteenth ACM conference on Conference on information and knowledge management, стр. 623--632. New York, NY, USA, ACM, (2007)