Iowa has 45 pledged and 11 unpledged delegates. Of the 45 pledged delegates, 29 are district-level delegates, 10 are at-large delegates, and six are "party leader and elected official" (PLEO) delegates. Of the 11 unpledged delegates, eight are local Democratic National Committee members, two are PLEO delegates and one is an add-on selected at the state Democratic convention on June 12, 2004.
Instead of releasing caucus vote totals, the Iowa Democratic Party releases a total indicating the number of delegates to the state convention each candidate will receive. The delegates at the state convention select delegates to the national convention in July.
For more about the delegate selection process, click here.
How does CNN project winners in races? Click here.
Exit polls are a survey of selected voters taken soon after they leave
their voting place. Pollsters use this sample information, collected from a
small percentage of voters, to track and project how all voters or a
specific segments of the voters sided on a particular race or ballot
measure. Because of the nature of the Iowa caucuses, these polls are
conducted as voters enter a caucus venue and are known as entrance
polls. For more on how to read entrance or exit polls, click here.