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Iowa's 3rd Congressional District

Results updated Nov 7, 1:00 AM ET

Sarah Trone Garriott (Democrat) won Iowa's 3rd Congressional District in 2026, defeating Zach Nunn 53.5% to 46.2%. Sarah Trone Garriott takes office on January 3, 2027, succeeding Zachary Nunn.

Map of Iowa's 3rd Congressional District (2026 lines)
Representative-electSarah Trone Garriott (D)
Current representativeZachary Nunn (R), through January 3, 2027
District linesUnchanged for 2026
Partisan lean (PVI)R+2
PoliGov final forecastTilt D · Sarah Trone Garriott 78%, Zach Nunn 22%

2026 results

Called

CandidateVoteVotes
Sarah Trone Garriott (D)53.5%189,217
Zach Nunn (R)46.2%163,441
Write-in0.3%869

99% of the expected vote counted. Vote counts are unofficial until certified.

Other Iowa districts

IA-1 · IA-2 · IA-4

All Iowa districts · Iowa forecast and results · Iowa senators · Iowa governor

Results and race calls: civicAPI, updated Nov 7, 1:00 AM ET. Vote counts are unofficial until certified.