Poll Update

2016 Iowa Democratic Presidential Caucus - Clinton 40%, Sanders 31% (Gravis Marketing/One America News 9/25-9/27/15)

Population 1,302 Registered Voters
Margin of Error ±2.7 percentage points
Polling Method Automated Phone
Source Gravis Marketing/OANN [PDF]
This poll asked respondents 3 questions tracked by HuffPost Pollster. Read our FAQ.

2016 Iowa Democratic Presidential Caucus

Asked of 328 Likely Voters - Democrat
Clinton 40%
Sanders 31%
O'Malley 2%
Undecided 16%
Biden 12%
Webb 1%

2016 Iowa Republican Presidential Caucus

Asked of 454 Likely Voters - Republican
Trump 19%
Cruz 11%
Rubio 9%
Carson 14%
Bush 7%
Kasich 3%
Christie 1%
Fiorina 10%
Paul 2%
Huckabee 2%
Santorum 1%
Undecided 18%
Pataki 0%
Graham 2%
Jindal 2%

Iowa: Obama Job Approval

Asked of 1302 Registered Voters
Approve 41%
Disapprove 50%
Undecided 9%