Democrat
—%
Weighted polling average
Rob Sand
DEMOCRATIC
Iowa Auditor of State (D)
2019 – Present
Iowa 2026 GOVERNOR POLLS
Zach Lahn
REPUBLICAN
Businessman
2026 Iowa Governor Polls:
Aggregate of all polls released for Iowa's Governor election between Democrat Rob Sand and Republican Zach Lahn. This page will update the moment new polls are released, including the polling average, projected margin, and survey details.
- Year
- 2026
- Race
- Governor
- State
- Iowa
- Democratic candidate
- Rob Sand
- Republican candidate
- Zach Lahn
- Incumbent / open seat
- Open Seat
- Polling average
- 49.0% D / 44.3% R
- Polling average margin
- D +4.7
- Last updated
- 12:00 AM on August 8, 2026
- Polls included
- 4
- Latest poll
- Emerson College — August 4, 2026
Republican
—%
Weighted polling average
Net margin
—
Polling average difference
Polls Included
—
Number of polls conducted
Pollster
Date
Sample
Rob Sand
Zach Lahn
Margin
Polling Average
—
—
49.0%
44.3%
Emerson College
August 4, 2026
712 LV
48%
43%
Fox News / Beacon Research
June 27, 2026
1,003 RV
53%
44%
New York Times / Siena College
June 27, 2026
600 LV
48%
47%
Cygnal (R)
June 19, 2026
600 LV
48%
43%