Iowa governor's race 2026
Our 21-day average puts Zach Lahn at 44.2%, Rob Sand at 51.1%, Adam Steen at 16%, Brad Sherman at 9%, based on 30 polls ending between 10/13/2025 and 10/23/2026. Dots on the chart are individual polls; the line is the rolling average. How to read these numbers.
Iowa governor's race 2026 over time
30 polls · 21-day rolling average · dots are individual polls
Zach Lahn 44.2%
Rob Sand 51.1%
Adam Steen 16%
Brad Sherman 9%
View data as table
| Choice | Latest average | Polls | Latest poll |
|---|---|---|---|
| Zach Lahn | 44.2% | 30 | 10/23/2026 |
| Rob Sand | 51.1% | 28 | 10/23/2026 |
| Adam Steen | 16% | 2 | 5/28/2026 |
| Brad Sherman | 9% | 2 | 5/28/2026 |
Average result
Unweighted mean across 30 matching polls
View data as table
| Choice | % |
|---|---|
| Zach Lahn | 41.7% |
| Rob Sand | 50.1% |
| Randy Feenstra | 32.6% |
| Adam Steen | 12.4% |
| Brad Sherman | 6.9% |
| Eddie Andrews | 4.3% |
Individual polls (30)
| End date | Pollster | Sample | Results |
|---|---|---|---|
| 4/28/2026 | Global Strategy Group | — LV |
Rob Sand (D)
Zach Lahn (R)
|
| 4/15/2026 | Victory Enterprises | 500 LV |
Randy Feenstra (R)
Adam Steen (R)
Zach Lahn (R)
Brad Sherman (R)
Eddie Andrews (R)
|
| 4/9/2026 |
Echelon Insights
for NetChoice |
377 LV |
Rob Sand (D)
Zach Lahn (R)
|
| 3/16/2026 |
GBAO Strategies
for Moderate Democrats PAC |
1,200 LV |
Rob Sand (D)
Zach Lahn (R)
|
| 10/13/2025 | Z to A Research | 1,351 LV |
Rob Sand (D)
Zach Lahn (R)
|