Democrat
—%
Weighted polling average
Sarah Trone Garriott
DEMOCRATIC
Iowa State Senate (D)
2021 – Present
Iowa 32026 HOUSE POLLS
Zach Nunn*
REPUBLICAN
US House of Representatives (R-IA)
2023 – Present
2026 Iowa 3rd District House Polls:
Aggregate of all polls released for Iowa's 3rd congressional district House election between Democrat Sarah Trone Garriott and Republican Zach Nunn. This page will update the moment new polls are released, including the polling average, projected margin, and survey details.
- Year
- 2026
- Race
- House
- District
- IA-3
- Democratic candidate
- Sarah Trone Garriott
- Republican candidate
- Zach Nunn
- Incumbent / open seat
- Zach Nunn
- Polling average
- 42.0% D / 48.0% R
- Polling average margin
- R +6.0
- Last updated
- 12:00 AM on July 9, 2026
- Polls included
- 1
- Latest poll
- Ragnar Research Partners (R) — March 14, 2026
Republican
—%
Weighted polling average
Net margin
—
Polling average difference
Polls Included
—
Number of polls conducted
Pollster
Date
Sample
Zach Nunn
Sarah Trone Garriott
Margin
Ragnar Research Partners (R)
March 14, 2026
400 LV
48%
42%