Poll Update

2016 Iowa Republican Presidential Caucus - Trump 39%, Cruz 34% (CBS/YouGov 1/18-1/21/16)

Population 1,247 Registered Voters
Margin of Error ±5.2 percentage points
Polling Method Internet
Source CBS/YouGov [PDF]
This poll asked respondents 2 questions tracked by HuffPost Pollster. Read our FAQ.

2016 Iowa Republican Presidential Caucus

Asked of 492 Likely Voters - Republican
Bush 1%
Carson 5%
Christie 2%
Cruz 34%
Fiorina 1%
Gilmore 0%
Huckabee 0%
Kasich 1%
Paul 3%
Rubio 13%
Santorum 1%
Trump 39%
Undecided 0%

2016 Iowa Democratic Presidential Caucus

Asked of 490 Likely Voters - Democrat
Clinton 46%
O'Malley 5%
Sanders 47%
Undecided 1%