Flipped from RepublicanCalledUnofficial results
Montana Senate District 29
Montana State Senate · Montana
Scott Rosenzweig flipped the seat for Democrats, winning by 12.9 points over Jason Gunderson.
Staggered Senate
Scott RosenzweigDemocrat · winner
56.4%6,817
Jason GundersonRepublican
43.6%5,263
12,080 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.
Scott RosenzweigJason Gunderson
$56.8K
Raised by the campaign
$30.2K
$63.2K
Spent by the campaign
$22.3K
Campaign money: Montana Commissioner of Political Practices, through Oct 15, 2026; Montana Commissioner of Political Practices, through Oct 8, 2026.
Source: Montana Commissioner of Political Practices campaign filingsUpdated Oct 8, 2026
Pre-election forecast (final, Nov 3)
Our model's last run before Election Day, Nov 3, 2026. It no longer updates.
- Scott Rosenzweig
- 94%
- Jason Gunderson
- 6%
- Projected margin
- D+11.6