2026 midterms · Iowa · November 3
Iowa’s 3rd District race 2026
Who’s running for U.S. House in Iowa’s 3rd District on November 3, 2026: Sarah Trone Garriott (D) and Zach Nunn (R, incumbent). Now held by Zach Nunn (R). Forecasters: Lean D (average of 7; range Likely D to Tilt D).
How to vote in Iowa: check your registration on Iowa’s election website · deadlines on Vote.gov for Iowa
Next to a Democrat in Congress, $ backing is their backing from the pro-Israel PACs we track, 2016–2026; $0 backing means none. Tap a name for each PAC by year, with FEC links.
| Race | Rating | Democrats | Republicans | Others on the ballot | Notes |
|---|---|---|---|---|---|
| Iowa 3 | Lean D Average of 7; Likely D to Tilt D Each forecaster for Iowa 3
|  Sarah Trone Garriott | Zach Nunn (inc.) | No one else listed |
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Questions and answers
Who is running for U.S. House in Iowa’s 3rd District in 2026?
On the November 3, 2026 ballot: Sarah Trone Garriott (D) and Zach Nunn (R, incumbent).
When is the 2026 election for U.S. House in Iowa’s 3rd District?
Election Day is Tuesday, November 3, 2026.
Who is favored in the 2026 race for U.S. House in Iowa’s 3rd District?
The nonpartisan forecasters we track rate it Lean D on average (7 forecasters; their ratings range from Likely D to Tilt D). These are their ratings, not our prediction.
How do I vote in Iowa?
Check your registration on Iowa’s election website and the registration deadlines on Vote.gov; both are linked on this page.
Where this comes from
Candidates as of October 9, 2026, from state election offices, news reports and Ballotpedia’s candidate lists; independent and minor-party candidates may not be complete. Ratings are the average of up to seven nonpartisan forecasters, read from the tables Wikipedia editors keep of them: how we average them and each forecaster’s own pages. Backing is contributions plus outside spending for a candidate by the pro-Israel PACs we track, from FEC filings (method). Results, on election night, only from AP or official sources. Found an error? Tell us.
Photos of members of Congress: official portraits (public domain). Other photos: Sarah Trone Garriott: Iowa General Assembly (photo of Sarah Trone Garriott), Copyrighted free use.