Hillary Clinton has a significant lead in Iowa against all five prospective Republican nominees tested in a new Quinnipiac swing state poll released today (February 18). Quinnipiac also surveyed Virginia where the results were much tighter. There was quite a bit more variability in Colorado, where the results varied significantly based on match-up.

Quinnipiac polled over 1,000 voters in each of the three states, testing Clinton against Chris Christie, Jeb Bush, Rand Paul, Mike Huckabee and Scott Walker. The margin of error for each poll was +/- 3%.

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Iowa

Clinton holds a 10% lead over Christie, Bush and Walker, slightly smaller leads over Huckabee and Paul. There were more undecideds in Iowa than in the other two states while Clinton's total was essentially the same across the board. Obama won Iowa by 6% in 2012.

Colorado

Paul and Walker performed best here, both within the margin of error. Christie and Bush performed relatively poorly here. As in the other states surveyed, Clinton's total was fairly consistent regardless of candidate making these polls somewhat a proxy of the current popularity of each Republican in that state. Obama won Colorado by about 5.5% in 2012.

Virginia

Bush polled even with Clinton here, the best Republican result in all three states. All five match-ups were within 5%, indicating a very competitive race. In 2012, Obama won the state by 4%.