The charts above reflect the results of the two newest Iowa polls. They are:
The Monmouth University Poll -- done between January 23rd and 26th of a random sample of 504 likely Democratic caucus attendees, with a margin of error of 4.4 points.
The NBC News / Wall Street Journal Poll -- done between January 24th and 26th of a random sample of 426 likely Democratic caucus attendees, with a margin of error of 4.7 points.
This NBC News / Wall Street Journal Poll was done between January 17th and 23rd of a random sample of 568 likely New Hampshire voters, with a margin of error of 4.1 points.
This NBC News / Wall Street Journal Poll was done between January 17th and 23rd of a random sample of 446 likely South Carolina Democratic voters, with a margin of error of 4.6 points.
This ABC News / Washington Post Poll was done between January 21st and 24th of a random national sample of 481 Democrats (and leaners), with a 5 point margin of error.
