Poll Update

2016 Iowa Democratic Presidential Caucus - Clinton 50%, Sanders 31% (CNN/Opinion Research Corporation 8/7-8/11/15)

Population 2,014 Likely Voters
Margin of Error ±3.0 percentage points
Polling Method Live Phone
Source CNN [PDF]
This poll asked respondents 1 question tracked by HuffPost Pollster. Read our FAQ.

2016 Iowa Democratic Presidential Caucus

Asked of 429 Likely Voters - Democrat
Sanders 31%
Clinton 50%
O'Malley 1%
Other 1%
None 0%
Webb 1%
Biden 12%
Chafee 0%
Undecided 4%