Polls · Iowa governor
Marist College , 11 October 2026
Marist College has Rob Sand ahead of Zach Lahn by 7 points in Iowa governor, 52% to 45%. Since its previous poll (20 September 2026): Zach Lahn +3 (42 → 45), Rob Sand −2 (54 → 52).
| Race | Iowa governor |
|---|---|
| Fieldwork | 8 October 2026 – 11 October 2026 |
| Stage | General election |
| Sample | – (likely voters) |
| Method | multi-mode: live-interviewer phone, text, online |
| Release | release |
| In our average | Yes |
Main
 Rob Sand D |
52 | |
 Zach Lahn R |
45 | |
| Other | 2 | |
| Undecided | 2 |
Margin on the decided vote: D+7.1; after our adjustments D+5.8, which includes a move of 0.3 points to the Democrats with the national trend since the poll (↻).
Against the other polls
Against the median of the 4 other polls of this race taken within a week of it: Zach Lahn 45% against 43.4%; Rob Sand 52% against 50.5%.
Marist College's previous poll of this race, 20 September 2026 →
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)