Undecided voters make up a large voting bloc in the upcoming Iowa caucus according to the latest polls by American Research Group, Strategic Vision, LA Times, and Newsweek. The percentage of undecided voters in those polls were 13%, 13%, 17%, and 21% respectively -- for an average of about 16%.
Considering Mitt Romney only has about 25% according to Newsweek, the Undecided voter may sway the election. One analyst attempting to characterize these voters has concluded that they are, according to the Newsweek poll, more likely to support Ron Paul and Mike Huckabee.
To see the polls used in their analysis as well as their commentary, we invite you to visit USAElectionPolls.com's article on undecideds in Iowa.