CalledUnofficial results
Idaho Legislative District 28
Idaho State Senate · Idaho
Jim Guthrie won re-election by 36.7 points over Mandy Peace.
Jim GuthrieRepublican · winner · incumbent
68.3%12,695
Mandy PeaceDemocrat
31.7%5,880
18,575 votes
Source: Idaho Secretary of State unofficial resultsUpdated Nov 7, 2026, 1:21 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.
Mandy PeaceJim Guthrie
$4.7K
Raised by the campaign
$141.1K
$4.4K
Spent by the campaign
$156.9K
$767
Cash on hand
$42.5K
Campaign money: Idaho Secretary of State, through Sep 26, 2026; Idaho Secretary of State, through Oct 27, 2026.
Source: Idaho Secretary of State campaign filingsUpdated Sep 26, 2026
Pre-election forecast (final, Nov 3)
Our model's last run before Election Day, Nov 3, 2026. It no longer updates.
- Mandy Peace
- <1%
- Jim Guthrie
- >99%
- Projected margin
- R+41.6