This is what worries me most....
Turnout:
17-29 - 15%
30-44 - 16%
45-64 - 42%
65+ - 26%
http://factfinder2.census.gov/faces/tableservices/jsf/pages/productview.xhtml?src=bkmk
Iowa 2010 Census Demographics
20-29 = 13.5%
30-44 = 18.1%
45-64 = 26.6%
65+ = 14.9%
I'd agree 30-44 is the lagger