Poll Update

2014 Iowa Senate - Braley 40%, Ernst 40% (Suffolk University/USA Today 8/23-8/26/14)

Population 500 Likely Voters
Margin of Error ±4.4 percentage points
Polling Method Live Phone
Source Suffolk/USA Today
This poll asked respondents 5 questions tracked by HuffPost Pollster. Read our FAQ.

2014 Iowa Senate: Ernst vs. Braley

Asked of 500 likely voters
Bruce Braley (D) 40%
Joni Ernst (R) 40%
Undecided 15%
Rick Stewart (i) 2%
Ruth Smith (i) 1%
Douglas Butzier (L) 1%
Bob Quast (i) 1%

Iowa: Obama Job Approval

Asked of 500 likely voters
Disapprove 52%
Approve 42%
Undecided 5%
Refused 0%

2014 Iowa Governor: Branstad vs. Hatch

Asked of 500 likely voters
Terry Branstad (R) I 47%
Jack Hatch (D) 35%
Undecided 15%
Lee Hieb (L) 1%
Jim Hennager (i) 1%
Refused 1%
Jonathan Narcisse (i) 0%

2016 Iowa Republican Presidential Caucus

Asked of 206 Republican likely voters
Undecided 17%
Mike Huckabee (R) 13%
Chris Christie (R) 11%
Rick Perry (R) 9%
Jeb Bush (R) 7%
Rand Paul (R) 7%
Paul Ryan (R) 6%
Rick Santorum (R) 6%
Marco Rubio (R) 5%
Ted Cruz (R) 5%
Other 4%
Scott Walker (R) 4%
Bobby Jindal (R) 3%
Jon Huntsman (R) 1%
John Kasich (R) 1%
Refused 0%

2016 Iowa Democratic Presidential Caucus

Asked of 191 Democratic likely voters
Hillary Clinton (D) 66%
Elizabeth Warren (D) 10%
Joe Biden (D) 8%
Undecided 8%
Andrew Cuomo (D) 4%
Martin O'Malley (D) 2%
Other 1%
Refused 1%