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 |
|---|---|---|---|
| 10/23/2026 |
Echelon Insights
for NetChoice |
403 LV |
Rob Sand (D)
Zach Lahn (R)
|
| 10/19/2026 | co/efficient | 863 LV |
Rob Sand (D)
Zach Lahn (R)
|
| 10/13/2026 |
New River
for The Cook Political Report |
602 LV |
Rob Sand (D)
Zach Lahn (R)
|
| 10/12/2026 | National Public Affairs | 678 LV |
Rob Sand (D)
Zach Lahn (R)
|
| 10/12/2026 | YouGov | 2,245 LV |
Rob Sand (D)
Zach Lahn (R)
|
| 10/11/2026 | Marist University | 1,100 LV |
Rob Sand (D)
Zach Lahn (R)
|
| 10/6/2026 |
Emerson College
for Nexstar Media |
650 LV |
Rob Sand (D)
Zach Lahn (R)
|
| 10/5/2026 | CNN/SSRS | 801 LV |
Rob Sand (D)
Zach Lahn (R)
|
| 10/4/2026 | Suffolk University | 500 LV |
Rob Sand (D)
Zach Lahn (R)
|
| 10/1/2026 | The New York Times/Siena University | 606 LV |
Rob Sand (D)
Zach Lahn (R)
|
| 9/28/2026 |
Beacon Research/Shaw & Co. Research
for Fox News |
1,008 LV |
Rob Sand (D)
Zach Lahn (R)
|
| 9/20/2026 | Marist University | 1,050 RV |
Rob Sand (D)
Zach Lahn (R)
|
| 9/16/2026 | co/efficient | 831 LV |
Rob Sand (D)
Zach Lahn (R)
|
| 9/11/2026 |
Cygnal Political
for Iowans for Tax Relief Foundation |
500 LV |
Rob Sand (D)
Zach Lahn (R)
|
| 9/8/2026 | YouGov | 2,041 LV |
Zach Lahn (R)
Rob Sand (D)
|
| 9/8/2026 | YouGov | 2,167 RV |
Rob Sand (D)
Zach Lahn (R)
|
| 9/1/2026 |
Emerson College
for Nexstar Media |
750 LV |
Rob Sand (D)
Zach Lahn (R)
|
| 8/29/2026 | Wedgewood Polls | 600 LV |
Rob Sand (D)
Zach Lahn (R)
|
| 8/23/2026 | Suffolk University | 500 LV |
Rob Sand (D)
Zach Lahn (R)
|
| 8/4/2026 |
Emerson College
for Nexstar Media |
712 LV |
Rob Sand (D)
Zach Lahn (R)
|
| 6/27/2026 |
Beacon Research/Shaw & Co. Research
for Fox News |
1,003 RV |
Rob Sand (D)
Zach Lahn (R)
|
| 6/27/2026 | The New York Times/Siena University | 600 LV |
Rob Sand (D)
Zach Lahn (R)
|
| 6/19/2026 |
Cygnal
for Iowans for Tax Relief |
600 LV |
Rob Sand (D)
Zach Lahn (R)
|
| 6/17/2026 | The New York Times/Siena University | 600 LV |
Rob Sand (D)
Zach Lahn (R)
|
| 5/28/2026 | JMC Enterprises | 550 LV |
Zach Lahn (R)
Randy Feenstra (R)
Adam Steen (R)
Brad Sherman (R)
Eddie Andrews (R)
|