These are the two latest polls for Iowa. They show that Clinton has a good lead in Iowa, while the GOP race there is a virtual tie (between Trump and Cruz).
The Public Policy Polling survey was done between December 10th and 13th of random samples of 526 Iowa Democrats and 522 Iowa Republicans. The margin of error for both parties is 4.3 points.
The Quinnipiac University Poll was done between December 4th and 13th of random samples of 727 Iowa Democrats and 874 Iowa Republicans. The margin of error for Democrats is 3.6 points, and for Republicans is 3.3 points.
