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Iowa Senate - Republican Primary (June 3)
Polling Data
| Poll | Date | Sample | Clovis | Ernst | Jacobs | Whitaker | Spread |
|---|---|---|---|---|---|---|---|
| Final Results | -- | -- | 18.0 | 56.2 | 16.8 | 7.5 | Ernst +38.2 |
| RCP Average | 5/12 - 5/30 | -- | 11.7 | 33.7 | 18.3 | 8.7 | Ernst +15.4 |
| Des Moines Register | 5/27 - 5/30 | 400 LV | 11 | 36 | 18 | 13 | Ernst +18 |
| PPP (D) | 5/15 - 5/19 | 303 RV | 14 | 34 | 18 | 6 | Ernst +16 |
| Loras College | 5/12 - 5/13 | 600 LV | 10 | 31 | 19 | 7 | Ernst +12 |
All Iowa Senate - Republican Primary (June 3) Polling Data
Candidate needs to receive 35% of the vote to avoid convention.
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Polling Data
| Poll | Date | Sample | Clovis | Ernst | Jacobs | Whitaker | Spread |
|---|---|---|---|---|---|---|---|
| Final Results | -- | -- | 18.0 | 56.2 | 16.8 | 7.5 | Ernst +38.2 |
| RCP Average | 5/12 - 5/30 | -- | 11.7 | 33.7 | 18.3 | 8.7 | Ernst +15.4 |
| Des Moines Register | 5/27 - 5/30 | 400 LV | 11 | 36 | 18 | 13 | Ernst +18 |
| PPP (D) | 5/15 - 5/19 | 303 RV | 14 | 34 | 18 | 6 | Ernst +16 |
| Loras College | 5/12 - 5/13 | 600 LV | 10 | 31 | 19 | 7 | Ernst +12 |
| Harper (R) | 4/30 - 5/1 | 500 LV | 14 | 33 | 23 | 3 | Ernst +10 |
| WFB/The Polling Company (R) | 4/13 - 4/14 | 223 RV | 6 | 23 | 20 | 7 | Ernst +3 |
| Loras College | 4/7 - 4/8 | 600 LV | 7 | 18 | 19 | 4 | Jacobs +1 |
| Suffolk | 4/3 - 4/8 | 224 LV | 7 | 25 | 23 | 4 | Ernst +2 |
| PPP (D) | 2/20 - 2/23 | 283 RV | 8 | 13 | 20 | 11 | Jacobs +7 |
| Harper (R) | 11/23 - 11/24 | 363 LV | 11 | 7 | 9 | 10 | Clovis +1 |
Candidate needs to receive 35% of the vote to avoid convention.