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House
IA-03 House winner?
Resolves by winning party
Sarah Trone Garriott
Democratic party
Yes
Sarah Trone Garriott
Democratic party
Yes
Zach Nunn
Republican party
No
Zach Nunn
Republican party
No
IA-03 House Margin of Victory
IA-03 House Voter Turnout
IA-03 House Vote Percent
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Iowa's 3rd District margin of victory
Iowa 03 House General Election: voter turnout
IA-03 House election: Sarah Trone Garriott vote percent
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IA-03 House election: Zach Nunn vote percent
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Alaska House winner?
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General election · Nov 3, 2026
What’s on your ballot?
Enter your address to see every contest and ballot question, with live odds on the ones Kalshi prices.
See your ballot
Candidate and measure details from Ballotpedia.
Determined
Outcome:
Yes
Explore Elections
Garriott
Nov 3
Nunn
$326,012 vol
1D
1W
1M
ALL
Race Intel
IA-03 House Race 2026
Election
Nov 3, 2026
General election
Incumbent
Zachary Nunn (R)
Running for re-election
IA-03 House Candidates and Fundraising
Candidate
Polls
Raised
Small Donors
Zach Nunn
R
47.0%
47.0%
$4.9M
2.9%
$4.9M raised
·
2.9% small donors
Sarah Trone Garriott
D
43.0%
43.0%
$7.7M
17%
$7.7M raised
·
17% small donors
Polling averages · Fundraising: FEC filings · Small-donor ≤ $200.
This does not include third party expenditures.
Past IA-03 Election Results
Past presidential elections
2024
R +4.4%
2020
R +0.3%
More Iowa and 2026 Midterm Races
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Iowa Governor race: Sand vs. Lahn
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