CalledUnofficial results
Iowa Senate District 41
Iowa State Senate · Iowa
Kerry Gruenhagen won re-election by 2.9 points over Tom Wieck.
Staggered Senate
Kerry GruenhagenRepublican · winner · incumbent
51.4%13,531
Tom WieckDemocrat
48.5%12,767
Write-inOther party
0.2%41
26,339 votes
Source: Iowa Secretary of State unofficial resultsUpdated Nov 7, 2026, 1:35 PM ET
Where the race moved
Against the 2024 presidential vote
The seat's recent races
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)
Money in this race
Each line compares the two campaigns on one scale.
Tom WieckKerry Gruenhagen
$12K
Raised by the campaign
$25.3K
$1.8K
Spent by the campaign
$3.7K
Campaign money: Iowa Ethics and Campaign Disclosure Board, through Jul 13, 2026; Iowa Ethics and Campaign Disclosure Board, through May 13, 2026.
Source: Iowa Ethics and Campaign Disclosure Board campaign filingsUpdated May 13, 2026
Pre-election forecast (final, Nov 3)
Our model's last run before Election Day, Nov 3, 2026. It no longer updates.
- Tom Wieck
- 36%
- Kerry Gruenhagen
- 64%
- Projected margin
- R+2.5
The candidates
Kerry Gruenhagen (R)
Incumbent, Iowa State Senate, first elected 2022Tom Wieck (D)
Incumbent, Iowa State Senate, first elected 2022Tom Wieck (D)
Also on the ballot: Write-in (Other party), 0.2%