Sarah Trone Garriott, 2026 House candidate
Sarah Trone Garriott
DEMOCRATIC
Iowa State Senate (D)
2021 – Present

2026 Iowa 3rd District House Polls

Zach Nunn, 2026 House candidate
Zach Nunn*
REPUBLICAN
US House of Representatives (R-IA)
2023 – Present

2026 Iowa 3rd District House Polling Average:

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
44.0% D / 46.0% R
Polling average margin
R +2.0
Last updated
12:00 AM on March 14, 2026
Polls included
1
Latest poll
Ragnar Research Partners (R) — March 14, 2026

Iowa 3rd District House Polling Trend

2026 Iowa 3rd district House Polling Average

Zach Nunn leads Sarah Trone Garriott by 2.0% in the Pollsmax polling average for the 2026 Iowa 3rd district House election, 46.0% to 44.0%. The average currently aggregates results from 1 poll. According to the latest Iowa 3rd district House poll, conducted by Ragnar Research Partners (R) on March 14, Nunn leads Garriott 48% to 42%.

Democrat

—%

Weighted polling average

Republican

—%

Weighted polling average

Net margin

—

Polling average difference

Polls Included

—

Number of polls conducted

Latest Iowa 3rd District House Polls

Pollster
Date
Sample
Zach Nunn
Sarah Trone Garriott
Margin
Ragnar Research Partners (R)
March 14, 2026
400 LV
48%
42%
R +6.0

About the Pollsmax Polling Average

Pollsmax creates a time-weighted and partisanship-adjusted polling average from an aggregate of all polls conducted for the general election. See the polling methodology to learn more about how polls are standardized and weighted.