Of the two million ballots cast early , a quarter of a million were cast in Iowa . Trends show registered Democrats voting early more than Republicans in Iowa . Republicans could bridge the gap in 2012 with strong Election Day and early voter turnout . As of Wednesday , almost 40,000 or just under 15 % of the ballots had been returned . Up to 40 % of eligible voters could cast their ballots early in 2012 .
Of the two million ballots cast early , a quarter of a million were cast in Iowa . Trends show registered Democrats voting early more than Republicans in Iowa . Republicans could bridge the gap in 2012 with strong Election Day and early voter turnout . Up to 40 % of eligible voters could cast their ballots early in 2012 .