Polls · Iowa governor
YouGov , 12 October 2026
YouGov has Rob Sand ahead of Zach Lahn by 6 points in Iowa governor, 50% to 44%. Since its previous poll (8 September 2026): Zach Lahn +5 (39 → 44).
| Race | Iowa governor |
|---|---|
| Fieldwork | 6 October 2026 – 12 October 2026 |
| Stage | General election |
| Sample | 2,245 (likely voters) |
| Method | online opt-in panel; sample matched to a frame drawn from the 2019 American Community Survey |
| Release | release |
| In our average | Yes |
Main
 Rob Sand D |
50 | |
 Zach Lahn R |
44 | |
| Undecided | 6 |
Margin on the decided vote: D+6.4; after our adjustments D+5.3, which includes a move of 0.2 points to the Democrats with the national trend since the poll (↻).
Against the other polls
Its figures are within a point and a half of the median of the 3 other polls of this race taken within a week of it.
Photo credits
- Rob Sand: Photo: Rob Sand for Governor, CC0, via Wikimedia Commons (https://commons.wikimedia.org/wiki/File:Rob_Sand_campaign_headshot_(cropped_1).jpg)
- Zach Lahn: Photo: Aunger67, CC0, via Wikimedia Commons (https://commons.wikimedia.org/wiki/File:Zach_Lahn_IA_State_Fair_2026.jog.jpg)