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Member brief · 119th Congress

Rep. Zachary Nunn

R · Republican · U.S. Representative, Iowa 3rd District1

In Congress
Since 2023 · 3 years
 Next election
Nov 3, 2026
 Committee leadership
Vice Chair, National Security, Illicit Finance, and International Financial Institutions

CommitteesAgriculture; Financial Services; House Select Committee on the Strategic Competition Between the United States and the Chinese Communist Party2

Participation3

95 / 100

Chamber median 98
643 of 674 roll calls

Party unity3

95 / 100

Chamber median 98
on 459 party-line votes

Cross-party agreement3

16 / 100

Chamber median 12
on 511 contested votes

Ideology score4

+0.29

Chamber median +0.19
−1 left · +1 right

Notable votes and votes by issue

In the full brief: five notable recent votes chosen by a fixed rule (most recent breaks with party first), each with the member’s vote, the party’s position and a source, plus how often Nunn votes with the party on each issue.

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Money and lobbying

In the full brief: how many of Nunn’s PACs belong to organizations that lobbied on bills Nunn voted on or cosponsored, with the dollars beside the chamber median; the top bills; campaign totals and the top PACs.

Full briefs are part of Oathstar Pro.

Votes most like5

R Mike Johnson LA-4 98% of 420
R Frank D. Lucas OK-3 98% of 503
R Harold Rogers KY-5 98% of 502

Share of roll calls both voted on where they voted the same way.

Next race

Nov 3, 2026 · On the November ballot7

On the ballot against them

Sarah Trone GarriottDemocratic

Data as of Nov 4, 2026 · votes through Sep 16, 2026 · Method: https://oathstar.com/methodology · Live profile: https://oathstar.com/people/zachary-nunn

  1. 1. Member record and terms: congress.gov; unitedstates/congress-legislators, retrieved 2026-11-04. www.congress.gov/people/N000193
  2. 2. Committees: unitedstates/congress-legislators, retrieved 2026-11-04. github.com/unitedstates/congress-legislators
  3. 3. Participation, party unity, cross-party agreement, votes by issue: Oathstar from Voteview roll calls, 119th Congress, retrieved 2026-11-04. voteview.com/person/22356
  4. 4. Ideology: DW-NOMINATE first dimension, Voteview, 119th Congress. voteview.com/person/22356
  1. 5. Votes most like: Oathstar from Voteview roll calls, 119th Congress. voteview.com/data
  2. 6. Candidates: FEC filings, 2026 IA-3 race, retrieved 2026-11-04. www.fec.gov/data/elections/house/IA/03/2026/
  3. 7. November ballot: https://en.wikipedia.org/wiki/2026_United_States_House_of_Representatives_elections_in_Iowa#District_3, as of 2026-10-05. en.wikipedia.org/wiki/2026_United_States_House_of_Representatives_elections_in_Iowa#District_3

Prepared with Oathstar · oathstar.com

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