Poll Chart
2014 Iowa Senate: Ernst vs. Braley
This chart combines the latest opinion polls using a poll-tracking model and is updated whenever a new poll is released.
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Latest Polls
| Pollster | Dates | Pop. | Ernst | Braley | Undecided | Margin |
|---|---|---|---|---|---|---|
| Monmouth University NEW! | 10/18 - 10/21 | 423 LV | 47 | 46 | 2 | Ernst +1 |
| PPP (D-League of Conservation Voters) | 10/15 - 10/16 | 714 LV | 47 | 48 | 5 | Braley +1 |
| Suffolk/USA Today | 10/11 - 10/14 | 500 LV | 47 | 43 | 7 | Ernst +4 |
| Quinnipiac | 10/8 - 10/13 | 967 LV | 47 | 45 | 5 | Ernst +2 |
| Rasmussen | 10/8 - 10/10 | 957 LV | 46 | 43 | 7 | Ernst +3 |
| Bloomberg/Des Moines Register/Selzer | 10/3 - 10/8 | 1,000 LV | 47 | 46 | 4 | Ernst +1 |
| Lukens Company (R) | 10/4 - 10/7 | 1,000 LV | 38 | 39 | 21 | Braley +1 |
| Magellan (R-Priorities for Iowa) | 10/3 - 10/3 | 1,299 LV | 50 | 41 | 9 | Ernst +9 |
| Loras College | 10/1 - 10/3 | 600 LV | 42 | 42 | 12 | - |
| NBC/Marist | 9/27 - 10/1 | 778 LV | 46 | 44 | 9 | Ernst +2 |
| CBS/NYT/YouGov | 9/20 - 10/1 | 2,359 LV | 43 | 44 | 12 | Braley +1 |
| GQR (D-Senate Majority PAC) | 9/25 - 9/30 | 800 LV | 46 | 47 | - | Braley +1 |
| PPP (D) | 9/25 - 9/28 | 1,192 LV | 44 | 42 | 10 | Ernst +2 |
| Harstad (D-DSCC) | 9/21 - 9/25 | 809 LV | 42 | 42 | - | - |
| Des Moines Register/Selzer | 9/21 - 9/24 | 546 LV | 44 | 38 | 12 | Ernst +6 |
| Rasmussen | 9/17 - 9/18 | 750 LV | 43 | 43 | 10 | - |
| FOX | 9/14 - 9/16 | 600 LV | 41 | 41 | 12 | - |
| Quinnipiac | 9/10 - 9/15 | 1,167 LV | 50 | 44 | 4 | Ernst +6 |
| CNN | 9/8 - 9/10 | 608 LV | 48 | 49 | 2 | Braley +1 |
| Loras College | 9/2 - 9/5 | 1,200 LV | 41 | 45 | 14 | Braley +4 |
| CBS/NYT/YouGov | 8/18 - 9/2 | 1,764 LV | 42 | 44 | 13 | Braley +2 |
| PPP (D-Americans for Tax Fairness Action Fund) | 8/28 - 8/30 | 816 LV | 45 | 43 | 12 | Ernst +2 |
| Suffolk/USA Today | 8/23 - 8/26 | 500 LV | 40 | 40 | 15 | - |
| PPP (D) | 8/22 - 8/24 | 915 LV | 40 | 41 | 14 | Braley +1 |
| Rasmussen | 8/11 - 8/12 | 750 LV | 43 | 43 | 8 | - |
| CBS/NYT/YouGov | 7/5 - 7/24 | 2,007 LV | 48 | 47 | 4 | Ernst +1 |
| Gravis/Human Events (R) | 7/17 - 7/18 | 1,179 LV | 43 | 44 | 13 | Braley +1 |
| NBC/Marist | 7/7 - 7/13 | 1,599 RV | 43 | 43 | 14 | - |
| Quinnipiac | 6/12 - 6/16 | 1,277 RV | 40 | 44 | 16 | Braley +4 |
| Loras College | 6/4 - 6/5 | 600 LV | 48 | 42 | 10 | Ernst +6 |
| Rasmussen | 6/4 - 6/5 | 750 LV | 45 | 44 | 9 | Ernst +1 |
| Vox Populi (R) | 6/4 - 6/5 | 667 LV | 49 | 44 | 7 | Ernst +5 |
| PPP (D) | 5/15 - 5/19 | 914 LV | 39 | 45 | 16 | Braley +6 |
| Hickman (D-Consumer Energy Alliance) | 4/24 - 4/30 | 500 LV | 40 | 44 | 16 | Braley +4 |
| Suffolk | 4/3 - 4/8 | 800 LV | 30 | 38 | 32 | Braley +8 |
| Rasmussen | 3/24 - 3/25 | 750 LV | 37 | 40 | 16 | Braley +3 |
| Quinnipiac | 3/5 - 3/10 | 1,411 RV | 29 | 42 | 27 | Braley +13 |
| PPP (D) | 2/20 - 2/23 | 869 LV | 35 | 41 | 23 | Braley +6 |
| Quinnipiac | 12/10 - 12/15/13 | 1,617 RV | 38 | 44 | 17 | Braley +6 |
| Harper (R-Conservative Intelligence Briefing) | 11/23 - 11/24/13 | 985 LV | 36 | 42 | 22 | Braley +6 |
| PPP (D) | 7/5 - 7/7/13 | 668 LV | 33 | 45 | 22 | Braley +12 |
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