Poll Update

2016 Iowa Republican Presidential Caucus - Walker 19%, Trump 17% (NBC News/Marist College 7/14-7/21/15)

Population 919 Registered Voters
Margin of Error ±3.2 percentage points
Polling Method Live Phone
Source NBC/Marist [PDF]
This poll asked respondents 3 questions tracked by HuffPost Pollster. Read our FAQ.

2016 Iowa Republican Presidential Caucus

Asked of 342 Likely Voters - Republican
Trump 17%
Cruz 4%
Rubio 4%
Carson 8%
Bush 12%
Fiorina 1%
Kasich 2%
Paul 5%
Christie 2%
Huckabee 7%
Undecided 14%
Jindal 1%
Santorum 0%
Graham 1%
Pataki 0%
Gilmore 0%
Walker 19%
Perry 3%

2016 Iowa Democratic Presidential Caucus

Asked of 320 Likely Voters - Democrat
Clinton 55%
Sanders 26%
O'Malley 4%
Undecided 13%
Webb 2%
Chafee 1%

Iowa: Obama Job Approval

Asked of 919 Registered Voters
Approve 43%
Disapprove 50%
Undecided 7%