2016 Presidential Election State Polls – Iowa

IOWA – 6 Electoral Votes
             
Poll Date Clinton Trump Johnson Stein Margin
Poll Average   41.3 44.3 4.8 2.7 +3.0
Des Moines Register/Selzer 11/1-4/16 39 46 6 1 +7
Emerson College 11/1-3/16 41 44 5 4 +3
Loras College 11/1-3/16 44 43 3 3 +1
RABA Research 11/1-2/16 41 44 5   +3
Quinnipiac 10/20-26/16 44 44 4 1 Tie
Des Moines Register/Selzer 10/3-6/16 39 43 6 2 +4
Loras College 9/20-22/16 38 38 9   Tie
Quinnipiac 9/13-21/16 37 44 10 2 +7
Monmouth 9/12-14/16 37 45 8 2 +8
RABA Research/Simpson College 9/6-8/16 39 40 10 1 +1
Emerson College 8/31-9/1/16 39 44 8 1 +5
CBS News/YouGov 8/17-19/16 40 40 7 2 Tie
Quinnipiac 8/9-16/16 41 39 12 3 +2
Suffolk 8/8-10/16 36 37 6 3 +1
NBC News/WSJ/Marist 8/3-7/16 35 35 12 6 Tie
CBS News/YouGov 7/13-15/16 39 40 3 2 +1
Monmouth 7/8-11/16 42 44 6 1 +2
NBC News/WSJ/Marist 7/5-10/16 37 37 7 4 Tie
Gravis 7/7-8/16 39 37 8 2 +2
Loras College 6/24-28/16 44 31 6 1 +13
Public Policy Polling 6/22-23/16 41 39     +2
Evolving Strategies 6/10-22/16 38 36 16   +2
Public Policy Polling 6/9-10/16 44 41     +3
Public Policy Polling 1/8-10/16 42 42     Tie
NBC News/WSJ/Marist 1/2-7/16 48 40     +8
             
Poll Date Democrat Republican Lib. Green Margin
2008 = Obama 54%, McCain 44%
2012 = Obama 52%, Romney 46%
State Poll Index Table / Electoral Vote Map