In the most recent Iowa 3rd congressional district poll (Ragnar Research Partners, Mar 12 - 14, 2026, n=400 LV), Nunn (R) leads Garriott (D) 48%–42%.
Data is synced continuously from the New York Times, which aggregates surveys from major pollsters. The table shows individual pollster results. The map uses the same 2026 non-partisan polling average and candidate-selection method as the homepage maps.
At a glance
- Polls tracked
- 3
- Pollsters
- 3
- Field dates
- Sep 18, 2025 – Mar 14, 2026
- Stages
- General election (3)
- Most recent poll
- Mar 14, 2026
All polls
| Pollster | Partisan | Field dates | Stage | Sample | Results | Margin | Source |
|---|---|---|---|---|---|---|---|
| Ragnar Research Partners | Rep | Mar 12 - 14, 2026 | General election | n=400 LV | Nunn (R): 48% Garriott (D): 42% Don't know: 10% | R+6% | link |
| Change Research | Dem | Oct 23 - 27, 2025 | General election | n=638 LV | Democrat (D): 45% Republican (R): 42% Don't know: 13% | D+3% | link |
| Public Policy Polling | Sep 17 - 18, 2025 | General election | n=717 RV | Konfrst (D): 44% Nunn (R): 44% Don't know: 12% | TIE | link |
3 of 3 polls shown, most recent first. Every number is a single pollster's reported result — no polling average is calculated here. Partisan shows the source’s party flag; a blank means no partisan affiliation is marked.