Leaving office January 3, 2027.Lost re-election in 2026. This page switches to the former-officeholder layout when the term ends.
Zach Nunn
Photo: Government Publishing Office, Public domain
RepublicanIn office until January 3, 2027

Zach Nunn

U.S. Representative, IA-3 since 2023. Lost re-election in 2026; leaves office in January 2027.

U.S. Representative, IA-3Born 1979

In office
3 yrs
Since 2023
Bills became law
0
60 sponsored, 119th Congress
Votes missed
4.7%
Chamber median 2.1%
With party
95%
On votes splitting the parties
Last margin
−7.3
Lost 2026

Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Nov 7, 2026, 3:00 PM ET

Committees

119th Congress.

  • House Committee on AgricultureGeneral Farm Commodities, Risk Management, and CreditCommodity Markets, Digital Assets, and Rural Development
  • House Committee on Financial ServicesNational Security, Illicit Finance, and International Financial Institutions · Vice ChairmanDigital Assets, Financial Technology, and Artificial IntelligenceCapital Markets
  • House Select Committee on the Strategic Competition Between the United States and the Chinese Communist Party

Source: congress-legislators committeesUpdated Nov 7, 2026, 3:00 PM ET

Legislation

119th Congress · 60 sponsored · 0 became law
BillIntroCmteHouseSenateLaw
HR 2978 GUARD Act
Crime and Law Enforcement · Passed House Sep 2026
HR 2384 Financial Technology Protection Act of 2025
Finance and Financial Sector · Passed House Jul 2025
HR 3301 ELEVATE Act of 2025
Finance and Financial Sector · Passed House Jun 2025
HR 736 Protect Small Businesses from Excessive Paperwork Act of 2025
Finance and Financial Sector · Passed House Feb 2025
HR 7187 Clarity for Compensation Act
Finance and Financial Sector · In committee Sep 2026

Source: Congress.gov billsUpdated Nov 6, 2026, 3:27 PM ET

Voting record

119th Congress · placement by roll-call votes

Where Nunn sits in the U.S. House

Nunn is closer to the center than 93% of the chamber's Republicans.

Dem. medianRep. medianNunnMore liberalMore conservative

Closest: Jen Kiggans, Ryan Mackenzie, María Elvira Salazar

Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 5:06 PM ET

With Nunn’s party

  • Votes with the chamber's Republicans95%
  • Cosponsorships of the other party's bills45%

Black tick: the average of Republicans in the U.S. House.

Source: 99chambers legislative scores from roll calls and cosponsorships

Key votes

Votes chosen for their effect, not their side: Nunn’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.

Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls

Career

Offices held, and every time Nunn was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.

Source: 99chambers results archive (MEDSL, Klarner, state election offices)

Elections

Margin against the seat’s presidential baseline: how the seat voted for president in the same or nearest year.

YearRaceResultMarginSeat+/−
2026Iowa's 3rd DistrictLostD+7.3R+4.5−11.8
2024U.S. House, IA-3WonR+3.8——
2022U.S. House, IA-3WonR+0.7——
2018Iowa State Senate, District 15WonR+13.9——
2016Iowa House of Representatives, District 30WonR+24.1——
2014Iowa House of Representatives, District 30WonR+12.2——
2014Iowa House of Representatives, District 30 (primary)Won———

Source: 99chambers results archive; 2026: Iowa Secretary of State (unofficial)Updated Nov 8, 2026, 7:01 PM ET

Campaign money, 2025–26

Raised
$6.1M
Spent
$5.6M
Cash
$620.8K

Source: FEC filings through Oct 14, 2026Updated Nov 3, 2026, 2:14 AM ET

Campaign committees

Open committees can still raise and spend money.

IOWANS FOR ZACH NUNN
FEC
Active

Source: FEC filings through Oct 14, 2026Updated Nov 3, 2026, 2:14 AM ET

Seats Nunn has held

Source: 99chambers results archive

Who Nunn has run against

Source: 99chambers results archive; 2026: Iowa Secretary of State (unofficial)

In the polls

Included in 1 poll; Nunn’s best result was 48% (Iowa's 3rd District).

Nunn’s polls in the database →

Source: Polls: The New York Times and Wikipedia poll lists

How we know Nunn

One person, matched across every source we use.

Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Nov 7, 2026, 3:00 PM ET