Flipped from RepublicanCalledUnofficial results
Montana Senate District 10
Montana State Senate · Montana
Margaret Mitchell flipped the seat for Democrats, winning by 13.3 points over Jessica Dyrdahl.
Staggered Senate
Margaret MitchellDemocrat · winner
56.7%3,701
Jessica DyrdahlRepublican
43.3%2,832
6,533 votes
Source: Montana Secretary of State unofficial resultsUpdated Nov 7, 2026, 1:22 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.
Margaret MitchellJessica Dyrdahl
$34.6K
Raised by the campaign
$7.3K
$30.6K
Spent by the campaign
$3.7K
Campaign money: Montana Commissioner of Political Practices, through Sep 16, 2026; Montana Commissioner of Political Practices, through Oct 14, 2026.
Source: Montana Commissioner of Political Practices campaign filingsUpdated Oct 14, 2026
Pre-election forecast (final, Nov 3)
Our model's last run before Election Day, Nov 3, 2026. It no longer updates.
- Margaret Mitchell
- 70%
- Jessica Dyrdahl
- 30%
- Projected margin
- D+3.7