Iowa’s 4th Congressional District House Race Winner
Iowa’s 4th Congressional District, a solidly conservative seat covering much of the state’s northwest region, heads to the polls on November 3, 2026. The district has been a Republican stronghold for years, represented by Randy Feenstra, who is vacating the seat to run for governor. The open seat sets up a competitive primary and general election cycle in a historically red district.
Why Markets Are Watching
An open seat in a safe district rarely draws national attention, but it still matters for the overall partisan makeup of the House. Iowa’s political landscape has shifted in recent cycles, making even reliably red districts worth tracking. The outcome will also signal how rural, agriculture-heavy constituencies are responding to current national political dynamics.
How Prediction Markets Frame the Race
The core question is simply which party claims the seat once Feenstra departs, reducing a crowded field of potential candidates into a binary outcome. Because the district leans heavily Republican, the real signal traders extract is less about which party wins and more about the magnitude of any shift from historical norms. Any unexpected competitiveness would reflect broader shifts in voter sentiment rather than this race alone.
Related terms
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Democratic Party (United States) -
Republican Party (United States) -
United States House of Representatives -
Iowa -
Rural area -
Randy Feenstra -
List of governors of Iowa
Total Volume
$73.3k
Kalshi $17.3k · Polymarket $56k
Leading Market
Chris McGowan
Kalshi 97% · Polymarket 99%
Chris McGowan Volume
$19.5k
Kalshi $11k · Polymarket $8.6k
Chris McGowan 24h Change
-3.00%
Kalshi 0.00% · Polymarket -3.00%
Latest Coverage
Insights
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Calculate Your Potential Return
- Kalshi(opens in a new tab) 7.0% fee
- Polymarket(opens in a new tab) 5.0% fee
| Market | Kalshi Yes | Kalshi Fee | Kalshi Payout | Polymarket Yes | Polymarket Fee | Polymarket Payout |
|---|---|---|---|---|---|---|
| Chris McGowanRepublican Party | 98.8¢ | 7.0% |
|
99.0¢ | 5% |
|
| Dave DawsonDemocratic Party | 3.9¢ | 7.0% |
|
3.0¢ | 5% |
|
* Estimates if candidate wins. Actual returns may vary.
All Markets
Emerging News
Elections
Immigration Dominates Iowa Senate Race as Turek Rejects Automatic Deportation
PN Team • 1 week ago
Iowa Senate Democratic nominee Josh Turek, pressed by NBC News on whether illegal immigrants should face deportation, said there should not be immediate deportation and instead backed a pathway to legal status contingent on background checks. He inaccurately cited Reps. Mariannette Miller-Meeks and Randy Feenstra as supporters of the Dignity Act; neither cosponsors the bill. The exchange intensifies immigration as a flashpoint in Turek's race against Rep. Ashley Hinson, who has criticized his record on ICE cooperation, immigrant benefits, and a campaign ad featuring sheriffs who limited detainer compliance. Critics call the Dignity Act amnesty; sponsor Rep. Maria Elvira Salazar disputes that characterization, calling it enforcement-first reform.
Sources:
Sentiment
- Ashley Hinson Hinson is portrayed as effectively criticizing her opponent's immigration record, casting her in an active, favorable political light.
- Mariannette Miller-Meeks Miller-Meeks is inaccurately cited by Turek as supporting a bill she does not cosponsor, a minor factual misrepresentation but not a direct criticism of her.
- Randy Feenstra Feenstra is similarly misrepresented as a supporter of a bill he does not cosponsor, a minor inaccuracy not reflecting on his own actions.
- Iowa Iowa is the setting of the Senate race discussed, a neutral geographic reference.
- United States Senate The article concerns an Iowa Senate race, a factual/contextual reference without specific reputational impact on the institution.
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Elections
Iowa Emerges as Surprise Midterm Battleground Across Senate, Governor, and House Races
PN Team • 2 months ago
Iowa has become an unexpectedly competitive state heading into the midterms, with contested races for Senate, Governor, and multiple House seats. In the Senate contest, Republican Ashley Hinson faces Democrat Josh Turek, who has outperformed past Democratic candidates and earned an endorsement from Barack Obama. Polling shows a tight race, but Hinson remains favored given the state's strong Republican lean. Analysts note that a Democratic win would require a favorable environment, a strong candidate, and a weak GOP nominee — conditions only partially met so far.
Democrats appear stronger in the governor's race, where Rob Sand, a proven statewide winner, faces Republican Zach Lahn, whose residency and spending choices have drawn criticism. Sand's independent-leaning campaign style has helped him poll ahead. In the House, Iowa's 1st District leans toward a Democratic pickup, the 2nd is expected to hold for Republicans following Hinson's Senate run, and the 3rd, held by Zach Nunn, remains the most competitive due to its lighter Republican tilt.
Sources:
Sentiment
- Rob Sand Sand is portrayed favorably as a proven statewide winner leading in polls.
- Barack Obama Obama is noted for endorsing Turek, a mild positive association through political influence.
- Democratic Party (United States) Democrats are portrayed as gaining ground in Iowa races, particularly in the governor's contest, a modestly favorable framing.
- Ashley Hinson Hinson is described as favored to win her race, a modestly positive but largely factual portrayal.
- Iowa Iowa is described neutrally as a newly competitive battleground state.
- Republican Party (United States) Republicans are shown as favored in some races but facing challenges in others, a balanced portrayal.
- United States House of Representatives Mentioned factually as the body of government tied to the House races discussed.
- United States Senate Mentioned factually as the body tied to the Senate race discussed.
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Elections
Nunn, Trone Garriott clash over costs, health care in Iowa’s 3rd District race
PN Team • 4 weeks ago
Republican Rep. Zach Nunn and Democratic challenger Sarah Trone Garriott, a state senator, are facing off in Iowa's 3rd Congressional District, one of the nation's most closely watched 2026 midterm races. In Des Moines Register candidate questionnaires, both named affordability as a top priority but offered sharply different diagnoses and fixes.
Trone Garriott blamed Nunn's votes for tariffs and Medicaid cuts for raising costs and threatening the Affordable Care Act, pledging to restore ACA subsidies and reverse Medicaid reductions. Nunn pointed to tax cuts, a rural health care investment, and efforts to lower drug prices and gas prices as evidence of progress, while defending his support for tariffs targeting China and Canada. On immigration, both credited reduced border crossings but diverged on enforcement tactics and legal pathways. The two also split on the Iran war, with Trone Garriott criticizing the lack of a congressional war vote and rising fuel and fertilizer costs, while Nunn defended new war powers oversight and sanctions legislation. The general election is Nov. 3.
Sources:
Sentiment
- Iran Mentioned in connection with the Iran war debate and criticism over lack of a war vote.
- United States Congress Referenced in context of criticism over lack of a congressional war vote on Iran.
- Democratic Party (United States) Mentioned as the party affiliation of Trone Garriott without additional characterization.
- Iowa Referenced as the state containing the 3rd Congressional District in question.
- Iowa Senate Referenced factually as the body in which Trone Garriott serves as state senator.
- Republican Party (United States) Mentioned as the party affiliation of Nunn without additional characterization.
- United States Referenced contextually as the nation holding the 2026 midterm elections.
- United States House of Representatives Referenced as the body both candidates are running for, factually noted.
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Congress
Two Iowa House Republicans Shift Votes to End Iran War Powers
PN Team • 1 month ago
Reps. Zach Nunn and Mariannette Miller-Meeks, Republicans in competitive Iowa House districts, joined Democrats and a handful of GOP colleagues on Tuesday in voting for a resolution to end U.S. military action against Iran without congressional authorization, reversing earlier votes against similar measures. It was the third such House vote, with a similar margin to prior attempts but a few more Republicans defecting, including retiring Rep. Nancy Mace and Reps. Tom Barrett, Warren Davidson, Brian Fitzpatrick and Thomas Massie. Rep. Ashley Hinson, running for Iowa's open Senate seat, voted against the measure, saying she wants a "decisive and immediate victory" instead.
The reversal comes amid political pressure ahead of the midterms, with the war remaining broadly unpopular and fuel and diesel prices rising as harvest season begins. Both Nunn and Miller-Meeks cited the need to bring troops home and end an open-ended conflict; 18 U.S. service members have died in the war, including two from Iowa. The White House says it has briefed Congress more than 30 times since February. Nunn had recently campaigned with Defense Secretary Pete Hegseth, prompting a Hatch Act complaint from former national security officials. Both lawmakers face competitive rematches in November, underscoring how the war's unpopularity is shaping battleground House races.
Sources:
Sentiment
- Mariannette Miller-Meeks Miller-Meeks is portrayed as responsibly shifting her vote to end an unpopular war and bring troops home.
- Pete Hegseth Hegseth's campaign appearance with Nunn is linked to a Hatch Act complaint, a mild reputational negative.
- Iran Iran is referenced as the site of an unpopular, ongoing U.S. military conflict.
- Democratic Party (United States) Democrats' position on ending the war gained bipartisan support, casting the party's stance favorably.
- Republican Party (United States) The party is shown split on the war powers vote, reflecting internal division without strong reputational harm.
- Iowa Iowa is mentioned as the political backdrop for competitive House races and casualties from the state.
- United States Congress Congress is referenced factually regarding war powers authority and briefings.
- United States House of Representatives The House is the setting for the vote, described factually.
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Elections
Iowa 2nd District House debate devolves into personal attacks
PN Team • 3 weeks ago
A debate between candidates for Iowa's open 2nd Congressional District seat turned contentious, with Republican land developer Joe Mitchell and Democratic state Rep. Lindsay James trading personal accusations of financial corruption and criticizing each other's use of family members during the campaign. The exchange marked an escalation in an already bitter race for the northeastern Iowa seat being vacated by Rep. Ashley Hinson, who is running for the U.S. Senate.
The 2nd District contest is considered one of the more competitive House races heading into the 2026 midterms, making the tone and substance of these debates relevant to broader expectations about the district's partisan lean. Personal attacks over ethics and family involvement could shape voter perceptions in a race already drawing national attention as both parties look to flip or hold the open seat.
Sources:
Sentiment
- Joe Mitchell (politician) Joe Mitchell is depicted trading personal accusations of financial corruption in a bitter debate, harming his public image.
- Lindsay James (politician) Lindsay James is depicted trading personal accusations of financial corruption in a bitter debate, harming her public image.
- Democratic Party (United States) The Democratic candidate is involved in the contentious personal attacks, reflecting mild negatively on the party by association.
- Republican Party (United States) The Republican candidate is involved in the contentious personal attacks, reflecting mild negatively on the party by association.
- Iowa Iowa is mentioned as the setting for the contentious race but is not itself portrayed positively or negatively.
- United States Senate Mentioned only as the office Ashley Hinson is seeking, a neutral factual reference.
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Elections
Iowa Senate candidates Hinson and Turek to debate October 13
PN Team • 1 month ago
Nexstar Media Group has announced that its Iowa television stations will air a live debate between the two major-party candidates for Iowa's open U.S. Senate seat: Republican nominee Ashley Hinson, currently a U.S. Representative, and Democratic nominee Josh Turek, a member of the Iowa House of Representatives.
The debate, "Debate Night in Iowa," is scheduled for Tuesday, October 13, from 9 to 10 p.m. CT, originating from WHO 13's studios in Des Moines. It will cover issues including immigration, education, health care, agriculture, and technology. The event will be simulcast across participating Nexstar stations statewide and streamed on their digital platforms, with excerpts airing nationally on NewsNation and The Hill.
The debate marks a key moment in one of the midterm cycle's closely watched Senate races, giving voters a direct comparison between the candidates ahead of the general election as prediction markets and pundits track the contest's trajectory.
Sources:
Sentiment
- Ashley Hinson Neutral factual mention as a candidate participating in the debate.
- Iowa Neutral reference as the state hosting the Senate race and debate.
- Democratic Party (United States) Mentioned only as Turek's party affiliation in a neutral factual context.
- Republican Party (United States) Mentioned only as Hinson's party affiliation in a neutral factual context.
- United States House of Representatives Neutral reference to Hinson's current position as a U.S. Representative.
- United States Senate Neutral mention as the seat being contested in the election.
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Elections
Rising Cancer Rates Become Flashpoint in Iowa’s Midterm Races
PN Team • 1 month ago
Iowa's rising cancer rate has emerged as a bipartisan issue in the state's competitive 2026 midterm races for Congress and governor. Iowa has the second-highest cancer rate in the country, behind only Kentucky, and is one of just three states where rates are climbing, driven by increases in lung, prostate and breast cancers. Candidates from both parties, including Republican Rep. Zach Nunn and Democratic challenger Sarah Trone Garriott, have made the issue central to their campaigns, with voters increasingly linking it to concerns about nitrate contamination in water from agricultural runoff.
Democrats such as Senate candidate Josh Turek and House candidate Christina Bohannan have tied the issue to opposition against Medicaid cuts under President Trump's tax and spending law, warning of coverage losses for Iowans. Republicans, including Rep. Ashley Hinson, have emphasized expanding cancer screening access and conservation funding. Scientists remain divided on whether nitrate-contaminated water is driving the increase, and a state-commissioned study has yet to reach firm conclusions, but polling shows water quality now ranks among voters' top concerns heading into the election.
Sources:
Sentiment
- Iowa Iowa is portrayed negatively due to its high and rising cancer rates and water contamination concerns.
- Ashley Hinson Hinson is portrayed positively for emphasizing cancer screening access and conservation funding.
- Donald Trump Trump's tax and spending law is criticized by Democrats for potential Medicaid coverage losses.
- Kentucky Kentucky is mentioned negatively as having the highest cancer rate, worse than Iowa.
- Christina Bohannan Bohannan is mentioned neutrally as linking the issue to Medicaid cut opposition.
- Democratic Party (United States) Democratic candidates are tied to the issue via Medicaid criticism, a balanced political mention.
- Republican Party (United States) Republicans are portrayed as emphasizing screening access and conservation funding, a neutral-to-mild positive framing.
- United States Congress Congress is mentioned only as the office being contested, a neutral factual reference.
- United States House of Representatives The House is mentioned only as context for the candidates' races.
- United States Senate The Senate is mentioned only as context for a candidate's race.
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Congress
Iowa Senate candidate presses Congress and DOJ over Epstein files
PN Team • 1 month ago
Iowa state Sen. Sarah Trone Garriott, the Democratic candidate for Iowa's 3rd Congressional District, criticized Congress and the Department of Justice for inaction on investigating Jeffrey Epstein and his associates. She spoke after visiting a traveling "reading room" exhibit at The Loft DSM, staged by the Institute for Primary Facts and DEFIANCE.org, featuring excerpts from DOJ-released Epstein investigation documents. She met with family members of Virginia Giuffre and self-identified Epstein victim Sharlene Rochard.
Trone Garriott criticized incumbent Rep. Zach Nunn for not signing Rep. Thomas Massie's discharge petition, which would let state attorneys general, victims and members of Congress sue the DOJ over withheld documents; only three other Republicans have signed it. Nunn's campaign countered that he voted for the Epstein Files Transparency Act and accused Trone Garriott of skipping Iowa Senate votes on sex-offender sentencing. Giuffre's brother, Scott Roberts, thanked Trone Garriott for hearing survivors' stories and called for congressional leaders willing to hold powerful figures accountable.
Sources:
Sentiment
- Thomas Massie Massie is portrayed favorably as the author of a transparency-focused discharge petition.
- United States Congress Congress is criticized directly for inaction on investigating Epstein and his associates.
- Republican Party (United States) Only three Republicans besides Massie signed the discharge petition, implying broader party reluctance on the Epstein files issue.
- Democratic Party (United States) Trone Garriott is identified as the Democratic candidate but the party itself is only tangentially referenced.
- Iowa Iowa is mentioned as the political context for the congressional race without reputational implication.
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Elections
Trump rallies Iowa Republicans ahead of midterm elections
PN Team • 1 week ago
President Trump rallied in Sioux City, Iowa, backing Senate candidate Rep. Ashley Hinson, Rep. Zach Nunn, and Rep. Randy Feenstra, telling supporters to "pretend I'm on the ballot" and warning that Democratic gains would threaten GOP wins on tariffs, trade and farm policy. Hinson, running against Democratic state Rep. Josh Turek in a tight contest that could decide Senate control, has distanced herself from Trump on issues like his Russia diesel deal, the Iran war's economic fallout, and tariffs, even as she campaigned alongside him. Polls show the race within a few points either way, with early voting already underway in Iowa.
Sources:
Sentiment
- Donald Trump Shown actively campaigning and rallying support, a favorable but routine political portrayal.
- Iran Referenced via the Iran war's negative economic fallout mentioned in the race.
- Republican Party (United States) Framed as benefiting from Trump's rally and candidates' wins on policy issues.
- Democratic Party (United States) Mentioned as the threat Trump warns could gain ground in the Senate race.
- Vladimir Putin Indirectly tied to a controversial Russia diesel deal criticized in the context of the race.
- Ashley Hinson Portrayed as navigating a tight race while distancing herself from some Trump policies.
- Iowa Setting for the rally and election, neutral factual mention.
- United States House of Representatives Referenced via the House representatives campaigning, factual context only.
- United States Senate Noted as the chamber whose control could be decided by this race.
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Elections
Iowa Senate Race Sees Surge in Ad Spending
PN Team • 4 hours ago
Iowa's U.S. Senate race recorded the largest nationwide jump in ad spending between Sept. 28-Oct. 11 and Oct. 12-25, rising by about $22.77 million to roughly $64.59 million, according to the Wesleyan Media Project. That put Iowa fourth nationally in Senate ad spending for the period, behind Ohio, Texas, and Michigan, with outside groups funding about three-quarters of the total and spending tilting toward Democrats. The Cook Political Report has shifted Iowa's gubernatorial and Senate races, along with three of its four U.S. House races, further left this cycle. Analysts say the spending shift signals the battleground map moving from states like Georgia and North Carolina into redder territory as races near their close.
Sources:
Sentiment
- Iowa Iowa noted as the top state for ad spending growth, a neutral factual distinction.
- Michigan Michigan mentioned only as a comparison point in ad spending rankings.
- Ohio Ohio referenced factually as leading in Senate ad spending.
- Texas Texas mentioned factually as part of ad spending comparison.
- United States House of Representatives House races mentioned factually as shifting left in the Cook Political Report ranking.
- United States Senate Senate race ad spending reported factually without favorable or unfavorable framing.
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Iowa 2026: Governor and Senate Election Outcome Combinations
Leading:
46.5%
Dems sweep
Vol $121.4k
Iowa’s 2nd Congressional District: Who Wins the 2026 House Race
Leading:
71.5%
Lindsay James
Vol $16.8k
How Many Iowa House Seats Will Democrats Win in 2026
Leading:
67%
Above 2
Vol $907.76
Iowa’s 1st Congressional District House Race
Leading:
91.5%
Christina Bohannan
Vol $3.1m
Iowa Senate Race 2026: Winner
Leading:
55.5%
Ashley Hinson
Vol $34.1m
Iowa Governor Race 2026: Who Will Win
Leading:
86.5%
Rob Sand
Vol $20.9m
Iowa Senate Election Winner 2026
Leading:
55.5%
Ashley Hinson
Vol $34.1m
Iowa Attorney General Race: Who Will Win in 2026
Leading:
76.5%
Brenna Bird
Vol $4.6k