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2028 Iowa Senate Election Polls, Odds & Candidates

Name: 2028 Iowa Senate Election Polls, Odds & Candidates — prediction market odds
Creator: kalshi

Market closes: Nov 7, 10:00am ET (Nov 7, 3:00pm UTC)

Iowa Senate winner? (2028)

$2.1K

NOV 7, 2029

General Election

Voters choose the office holder.

R. Party

64.0%

D. Party

35.0%

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OddsLive Odds

Prediction market probabilities from Kalshi, updated as market prices change. Last updated Sep 15, 2026, 10:23 AM UTC.

Odds History

Total volume

$2.1K

24h volume

$16

R. Party64%

D. Party35%

No chart data available yet.

source: Kalshi

Election Dates and Deadlines

Important voting dates, registration deadlines and prediction market closing times.

November

WED 7

Prediction market closes

Latest Race Updates

Key developments affecting the candidates, polls and prediction market odds.

Iowa Senate winner? (2028)

18h

That’s below the previous low of 38% for the Iowa Senate winner? (2028) race.

35%3%

Latest Election News

Recent reporting and announcements directly related to this race and its candidates.

AINews Summary

Ashley Hinson has secured the Republican nomination for Iowa’s 2026 Senate race. Democrats have not yet picked their nominee, with Josh Turek and Zach Wahls still competing. The race now looks more defined on the GOP side while the Democratic contest remains the main source of uncertainty. Hinson’s primary win reduces uncertainty on the Republican side and gives the GOP a clear nominee. The market may stay focused on the Democratic primary outcome for the next shift in odds.

Articles

UTUSA TODAY5 days ago

At Republican midterm convention, JD Vance faces 2028 test

Vice President JD Vance’s midterm convention speech is one of the the expected 2028 candidate's last best opportunities to prove he can lead the GOP.

WCWDIV ClickOnDetroit1 month ago

The Latest: Trump says he was taken off Air Force One last month due to threat

President Donald Trump says he slipped away from Air Force One after a trip last month in Turkey because the Secret Service and military wanted him on a “different plane” due to a threat he insisted didn’t scare him.

NNNBC News3 months ago

Live updates: Candidates advance to midterm battles in California, Iowa, N.J. and 3 other states

Follow the latest Trump administration news and primary coverage as election races unfold in New Jersey, California, Iowa and other states.

NYNew York Post3 months ago

Trump pick Randy Feenstra loses Iowa governor race to Zach Lahn

President Trump-backed Rep. Randy Feenstra conceded to businessman Zach Lahn in the Iowa GOP primary for Senate, marking a rare endorsement defeat for the president in the primaries.

BNBreitbart News Network3 months ago

Rep. Ashley Hinson Wins Iowa Republican Senate Primary

Rep. Ashley Hinson (R-IA) soared to victory on Tuesday night in the Republican primary for Iowa's U.S. Senate seat.

WWIS104 months ago

Final push for candidates before Iowa primaries

Iowa voters will chose candidates in the Senate race and also for their House seats in primary elections Tuesday, June 2.

BSBaltimore Sun4 months ago

Trump blasts ‘disloyal’ Sen. Cassidy while pushing challenger in Louisiana Republican primary

By THOMAS BEAUMONT and JACK BROOK NEW ORLEANS (AP) — U.S. Sen. Bill Cassidy is fighting for his political life in Louisiana’s Republican primary on Saturday as he faces a challenge backed by President Donald Trump, the latest attempt by the president to purge the party of politicians he views as disloyal. Trump endorsed U.S. […]

UTUSA TODAY4 months ago

Democrats want to flip Iowa's US Senate seat. Will they choose Wahls?

State Rep. Josh Turek and state Sen. Zach Wahls are emphasizing their ability to take on U.S. Rep. Ashley Hinson in Iowa's U.S. Senate race.

UTUSA TODAY24 days ago

Democrats use faith to challenge red state GOP

Democratic candidates in red states are sharing their faith to connect with voters, sparking intense debates over theology.

NNewsweek24 days ago

AI Data Center War: Where Democrats, Republicans in Key Senate Races Stand

The AI backlash is now hitting the six Senate races that Cook Political Report rates as toss-ups heading into November.

Related Races

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New updates coming soon

We're monitoring and will update when new data impacts the race.

Polls
Endorsements
Fundraising

2028 Iowa Senate Election Polls, Odds & Candidates

Iowa Senate winner? (2028)

OddsLive Odds

Odds History

Election Dates and Deadlines

Latest Race Updates

Iowa Senate winner? (2028)

Latest Election News

At Republican midterm convention, JD Vance faces 2028 test

The Latest: Trump says he was taken off Air Force One last month due to threat

Live updates: Candidates advance to midterm battles in California, Iowa, N.J. and 3 other states

Trump pick Randy Feenstra loses Iowa governor race to Zach Lahn

Rep. Ashley Hinson Wins Iowa Republican Senate Primary

Final push for candidates before Iowa primaries

Trump blasts ‘disloyal’ Sen. Cassidy while pushing challenger in Louisiana Republican primary

Democrats want to flip Iowa's US Senate seat. Will they choose Wahls?

Democrats use faith to challenge red state GOP

AI Data Center War: Where Democrats, Republicans in Key Senate Races Stand

Related Races

Iowa Senate winner?

Iowa Governor winner?

IA-01 House winner?

Iowa Senate winner? (Person)

Election Dates and Deadlines

Latest Race Updates

Iowa Senate winner? (2028)

Latest Election News

At Republican midterm convention, JD Vance faces 2028 test

The Latest: Trump says he was taken off Air Force One last month due to threat

Live updates: Candidates advance to midterm battles in California, Iowa, N.J. and 3 other states

Trump pick Randy Feenstra loses Iowa governor race to Zach Lahn

Rep. Ashley Hinson Wins Iowa Republican Senate Primary

Final push for candidates before Iowa primaries

Trump blasts ‘disloyal’ Sen. Cassidy while pushing challenger in Louisiana Republican primary

Democrats want to flip Iowa's US Senate seat. Will they choose Wahls?

Democrats use faith to challenge red state GOP

AI Data Center War: Where Democrats, Republicans in Key Senate Races Stand

Related Races

Iowa Senate winner?

Iowa Governor winner?

IA-01 House winner?

Iowa Senate winner? (Person)