The Ballot Brief
2026 U.S. House

Iowa's 3rd Congressional District — 2026 Candidates

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U.S. House · IA-3
Primary: Tuesday, June 2, 2026 General: Tuesday, November 3, 2026

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2026 candidates we're tracking in IA-3

Zach Nunn

Zach Nunn

RepublicanIncumbent

Top priorities

From the campaign site

  • Supporting Iowa Families
  • Constitutional Rights: protect First and Second Amendment rights
  • Stronger Economy: stop the tax-and-spend policies
About Zach Nunn

Zach Nunn is a sixth-generation Iowan and Air Force veteran of nearly two decades who served as an airborne intelligence officer and as Director of Cybersecurity at the White House National Security Council, according to his official House biography. He previously served in the Iowa House and Senate, is in his second term and is seeking a third representing Iowa's 3rd Congressional District, per his official House website.

Sarah Trone Garriott

Sarah Trone Garriott

Democratic

Top priorities

From the campaign site

  • A Higher Standard for Washington
  • Growing our economy by investing in people, not special interests
  • Health care that’s affordable and there when you need it
About Sarah Trone Garriott

Sarah Trone Garriott is a Lutheran minister from West Des Moines who has served in the Iowa Senate since winning a Republican-held seat in 2020, per the campaign site. She won the Democratic nomination for Iowa's 3rd Congressional District, challenging incumbent Rep. Zach Nunn.

About this race

Iowa's 3rd Congressional District elects one member of the U.S. House of Representatives to a two-year term. Every House seat in the country is on the ballot in 2026. The Iowa primary is Tuesday, June 2, 2026, and the general election is Tuesday, November 3, 2026.

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