Flipped from DemocraticCalledUnofficial resultsIncumbent defeated
Iowa Senate District 35
Iowa State Senate · Iowa
Joe Stutting flipped the seat for Republicans, winning by 3.8 points over Mike Zimmer.
Staggered Senate
Joe StuttingRepublican · winner
51.8%13,508
Mike ZimmerDemocrat · incumbent
48.1%12,521
Write-inOther party
0.1%24
26,053 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.
Mike ZimmerJoe Stutting
$122.5K
Raised by the campaign
$46.2K
$39.9K
Spent by the campaign
$28.2K
Campaign money: Iowa Ethics and Campaign Disclosure Board, through May 26, 2026; Iowa Ethics and Campaign Disclosure Board, through Jul 14, 2026.
Source: Iowa Ethics and Campaign Disclosure Board campaign filingsUpdated Jul 14, 2026
Pre-election forecast (final, Nov 3)
Our model's last run before Election Day, Nov 3, 2026. It no longer updates.
- Mike Zimmer
- 34%
- Joe Stutting
- 66%
- Projected margin
- R+3.2
The candidates
Joe Stutting (R)Mike Zimmer (D)
Incumbent, Iowa State Senate, first elected 2025
Incumbent, Iowa State Senate, first elected 2025
Also on the ballot: Write-in (Other party), 0.1%