CalledUnofficial results
Iowa Senate District 19
Iowa State Senate · Iowa
Barb Kniff McCulla held the seat for Republicans, winning by 26.4 points over Zachary Mecham.
Staggered Senate
Barb Kniff McCullaRepublican · winner
63.2%18,036
Zachary MechamDemocrat
36.8%10,497
Write-inOther party
0.1%23
28,556 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.
Zachary MechamBarb Kniff McCulla
$2.4K
Raised by the campaign
$48.3K
$161
Spent by the campaign
$20.6K
Campaign money: Iowa Ethics and Campaign Disclosure Board, through May 11, 2026; Iowa Ethics and Campaign Disclosure Board, through May 26, 2026.
Source: Iowa Ethics and Campaign Disclosure Board campaign filingsUpdated May 11, 2026
Pre-election forecast (final, Nov 3)
Our model's last run before Election Day, Nov 3, 2026. It no longer updates.
- Zachary Mecham
- <1%
- Barb Kniff McCulla
- >99%
- Projected margin
- R+23.7