Public domain
RepublicanRunning for IA-3 U.S. House · 2026
Zach Nunn
Zachary Martin Nunn is an American politician and United States Air Force officer who has served as the U.S. representative for Iowa's 3rd congressional district since 2023. A member of the Republican Party, he was a member of the Iowa Senate for the 15th district from 2019 to 2023 and the Iowa House of Representatives for the 30th district from 2015 to 2019.
Born 1979 · Story City, Iowa , U.S.
In brief
AI · verified vs data · 2026-07-06
Zach Nunn, a Republican U.S. representative since 2023 and former Iowa state legislator, is seeking reelection in Iowa's 3rd Congressional District. He leads in polling at about 48% versus his opponent's roughly 42%. Nunn has raised approximately $4 million for his campaign and served in the Air Force. Prediction markets estimate about a 20% win probability for him in the general election.
48%
Polling average
our aggregate
24%
Win probability
market-implied
$4.1M
Raised this cycle
FEC · committee
Independence scorecard
Computed · FEC money mixWho Nunn's money comes from.
C−
32/100
Independence index
Funding mix leans on concentrated money — pac independence is the weak spot.
3 watch items · pac independence
Small-dollar reliance12
6% of individual + PAC money from donors under $200
PAC independence0
63% of individual + PAC money from PACs
In-state funding14
86% of itemized receipts come from out of state
Outside-money exposure100
$7k in outside spending supports the campaign
MONEY-MIX INDEX, COMPUTED FROM FEC FILINGS ONLY: SMALL-DOLLAR SHARE, PAC RELIANCE, IN-STATE MONEY AND OUTSIDE (IE) SPENDING. IT DOES NOT SCORE VOTES OR DONOR–VOTE ALIGNMENT. HIGHER = MORE INDEPENDENT · GREEN ≥70 · AMBER 50–69 · RED <50.
Governing & voting record
What Nunn did in office.
MeasureYearAction
Clarity for Compensation Act
Ordered to be Reported (Amended) by the Yeas and Nays: 51 - 0.
2026
Sponsored
To temporarily expand the authorized uses of grants awarded under the Veterans Legacy Program of the National
Subcommittee Hearings Held
2026
Sponsored
GUARD Act
Reported (Amended) by the Committee on Financial Services. H. Rept. 119-709, Part I.
2025
Sponsored
AI PLAN Act
Placed on the Union Calendar, Calendar No. 615.
2025
Sponsored
HOME for Foster Youth Act
Referred to the House Committee on Financial Services.
2026
Sponsored
Expressing support for the designation of May 2026 as "Renewable Fuels Month" to recognize the important role
Referred to the House Committee on Energy and Commerce.
2026
Sponsored
Expressing support for law enforcement officers.
Received in the Senate.
2026
Sponsored
SPONSORED LEGISLATION VIA CONGRESS.GOV · ENACTED BILLS FIRST, THEN THE MOST RECENT · ROLE SHOWS THE BILL'S LATEST STATUS.
Where they stand
—
Key positions not yet compiled
Positions are drawn from the candidate's public record and statements. We haven't compiled a verified set for this candidate yet.
How Nunn votes
With the party, against it, and where on the spectrum.
Ideological placement · roll-call record
Dem median
GOP median
Nunn
← LiberalCenterConservative →
Center-right
Overall lean
64
DW-NOMINATE · 0–100
DW-NOMINATE FIRST-DIMENSION SCORE FROM ROLL-CALL VOTES IN THE 119TH CONGRESS (HOUSE), VIA VOTEVIEW. 0 = MOST LIBERAL, 100 = MOST CONSERVATIVE.
Party unity · 561 roll-calls · 119th Congress (House)
96%voted with Republicans · 4% broke ranks
Ratings from advocacy groups
—
No advocacy-group ratings
Interest-group scorecards have no machine-readable feed — they're curated per candidate, and none are on file yet.
Career & history
2015Member of the Iowa House of Representatives
2015–2019
2019Member of the State Senate of Iowa
2019–2023
2023United States representative
since 2023
Public favorability
—
No favorability data
This candidate isn't tracked by YouGov's public-figure panel, and no published state polling on their favorability was found.
Donors & money
FEC itemized filings · cycle-to-dateWho funds the campaign.
$4.1M
Raised
$1.0M
Spent
$3.2M
Cash on hand
Source of funds · individual + PAC
6% small (<$200)31% large indiv.63% PAC
14% in-state · 86% out-of-state (itemized)
OWN-COMMITTEE TOTALS FROM FEC FILINGS THROUGH 2026-05-13 · INDUSTRY GROUPS ARE ITEMIZED RECEIPTS CLASSIFIED BY EMPLOYER — A KEYWORD APPROXIMATION, NOT OPENSECRETS CODING. SOURCE: FEC ↗
Race
The contest Nunn is running in.
IA · HOUSE · 2026likely r
Nunn (R) vs Sarah Trone Garriott (D)
48%+6.0 Nunn42%
Open full race detail →
Related prediction markets
All markets →Live contract prices tied to Nunn and the seat. Prices are ¢-per-share of the YES outcome; context only, never merged into our polling averages.
Sources & provenance
Biography
Public record
Wikipedia + state records
Money & donors
FEC filings
itemized + committee totals
Markets
Live venues
Polymarket · Kalshi
ALL FIGURES DRAWN FROM PUBLICLY AVAILABLE RECORDS · CANDIDATE PROFILES ARE NONPARTISAN AND CARRY NO ENDORSEMENT. · PHOTO: UNITED STATES CONGRESS · PUBLIC DOMAIN (WIKIMEDIA COMMONS)
Related coverage
dailykos.com · 2026-07-02
Dem Up 4 in Fox Poll of Iowa Senate Race – and that’s not even the best news.
nytimes.com · 2026-07-02
Who Is Ahead in the Iowa Governor's Race? Latest 2026 Election Polls
upolitics.com · 2026-07-02
Democratic Senate Nominee Josh Turek Leading In Iowa Senate Race With Republican Weighed Down By Trump, New...
thehill.com · 2026-07-02
Democrat Josh Turek leading by 4 points in Iowa Senate race polling
Republican · IA-3 U.S. House
Zach Nunn
Zachary Martin Nunn is an American politician and United States Air Force officer who has served as the U.S. representative for Iowa's 3rd congressional district since 2023. A member of the Republican Party, he was a member of the Iowa Senate for the 15th district from 2019 to 2023 and the Iowa House of Representatives for the 30th district from 2015 to 2019.
Where Nunn standsRace →
Nunn 48%Sarah Trone Garriott 42%
Market · wins
24¢
48%
Poll avg
24%
Win prob
$4.1M
Raised
In brief
AI · verified vs data · 2026-07-06Zach Nunn, a Republican U.S. representative since 2023 and former Iowa state legislator, is seeking reelection in Iowa's 3rd Congressional District. He leads in polling at about 48% versus his opponent's roughly 42%. Nunn has raised approximately $4 million for his campaign and served in the Air Force. Prediction markets estimate about a 20% win probability for him in the general election.
Governing & voting record
Clarity for Compensation Act
2026 · SPONSORED
To temporarily expand the authorized uses of grants awarded under the Veterans Legacy Program of the National
2026 · SPONSORED
GUARD Act
2025 · SPONSORED
AI PLAN Act
2025 · SPONSORED
HOME for Foster Youth Act
2026 · SPONSORED
Expressing support for the designation of May 2026 as "Renewable Fuels Month" to recognize the important role
2026 · SPONSORED
Expressing support for law enforcement officers.
2026 · SPONSORED
Where they stand
—
Key positions not yet compiled
Positions are drawn from the candidate's public record and statements. We haven't compiled a verified set for this candidate yet.
Career & history
2015Member of the Iowa House of Representatives
2015–2019
2019Member of the State Senate of Iowa
2019–2023
2023United States representative
since 2023
Public favorability
—
No favorability data
This candidate isn't tracked by YouGov's public-figure panel, and no published state polling on their favorability was found.
Independence scorecard
Who Nunn's money comes from.
C−
32/100
Independence index
Funding mix leans on concentrated money — pac independence is the weak spot.
3 watch items · pac independence
Small-dollar reliance12
6% of individual + PAC money from donors under $200
PAC independence0
63% of individual + PAC money from PACs
In-state funding14
86% of itemized receipts come from out of state
Outside-money exposure100
$7k in outside spending supports the campaign
MONEY-MIX INDEX, COMPUTED FROM FEC FILINGS ONLY: SMALL-DOLLAR SHARE, PAC RELIANCE, IN-STATE MONEY AND OUTSIDE (IE) SPENDING. IT DOES NOT SCORE VOTES OR DONOR–VOTE ALIGNMENT. HIGHER = MORE INDEPENDENT · GREEN ≥70 · AMBER 50–69 · RED <50.
How Nunn votes
Ideological placement · roll-call record
Dem median
GOP median
Nunn
← LiberalCenterConservative →
Center-right
Overall lean
64
DW-NOMINATE · 0–100
DW-NOMINATE FIRST-DIMENSION SCORE FROM ROLL-CALL VOTES IN THE 119TH CONGRESS (HOUSE), VIA VOTEVIEW. 0 = MOST LIBERAL, 100 = MOST CONSERVATIVE.
Party unity · 561 roll-calls · 119th Congress (House)
96%voted with Republicans · 4% broke ranks
Ratings from advocacy groups
—
No advocacy-group ratings
Interest-group scorecards have no machine-readable feed — they're curated per candidate, and none are on file yet.
Donors & money
$4.1M
Raised
$1.0M
Spent
$3.2M
Cash on hand
Source of funds · individual + PAC
6% small (<$200)31% large indiv.63% PAC
14% in-state · 86% out-of-state (itemized)
OWN-COMMITTEE TOTALS FROM FEC FILINGS THROUGH 2026-05-13 · INDUSTRY GROUPS ARE ITEMIZED RECEIPTS CLASSIFIED BY EMPLOYER — A KEYWORD APPROXIMATION, NOT OPENSECRETS CODING. SOURCE: FEC ↗
Sources & provenance
Biography
Public record
Wikipedia + state records
Money & donors
FEC filings
itemized + committee totals
Markets
Live venues
Polymarket · Kalshi
ALL FIGURES DRAWN FROM PUBLICLY AVAILABLE RECORDS · CANDIDATE PROFILES ARE NONPARTISAN AND CARRY NO ENDORSEMENT. · PHOTO: UNITED STATES CONGRESS · PUBLIC DOMAIN (WIKIMEDIA COMMONS)