Poll Update

2016 Iowa Republican Presidential Caucus - Trump 24%, Carson 19% (NBC News/Wall Street Journal/Marist College 9/23-9/30/15)

Population 1,199 Adults
Margin of Error ±2.8 percentage points
Polling Method Live Phone
Source NBC/WSJ/Marist
This poll asked respondents 9 questions tracked by HuffPost Pollster. Read our FAQ.

2016 Iowa Republican Presidential Caucus

Asked of 431 Registered Voters - Republican
Trump 24%
Cruz 6%
Rubio 6%
Carson 19%
Bush 7%
Fiorina 8%
Kasich 3%
Paul 4%
Christie 4%
Huckabee 5%
Undecided 7%
Jindal 6%
Santorum 1%
Graham 1%
Pataki 0%
Gilmore 0%

2016 Iowa Democratic Presidential Caucus

Asked of 348 Registered Voters - Democrat
Clinton 47%
Sanders 36%
O'Malley 4%
Undecided 13%
Webb 1%
Chafee 0%

Iowa: Obama Job Approval

Asked of 1199 Adults
Approve 38%
Disapprove 53%
Undecided 8%

2016 Iowa Presidential GE

Asked of 1061 Registered Voters
Clinton 40%
Bush 50%
Undecided 9%

2016 Iowa President: Trump vs. Clinton

Asked of 1061 Registered Voters
Clinton 41%
Trump 48%
Undecided 11%

2016 Iowa Presidential GE

Asked of 1061 Registered Voters
Clinton 38%
Fiorina 52%
Undecided 10%

2016 Iowa Presidential GE

Asked of 1061 Registered Voters
Sanders 44%
Bush 46%
Undecided 11%

2016 Iowa Presidential GE

Asked of 1061 Registered Voters
Sanders 48%
Trump 43%
Undecided 9%

2016 Iowa Presidential GE

Asked of 1061 Registered Voters
Fiorina 45%
Sanders 42%
Undecided 13%