CalledUnofficial results
Montana Senate District 31
Montana State Senate · Montana
Kathleen Williams held the seat for Democrats, winning by 38.8 points over Richard Aungier.
Staggered Senate
Kathleen WilliamsDemocrat · winner
69.4%5,088
Richard AungierRepublican
30.6%2,242
7,330 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.
Kathleen WilliamsRichard Aungier
$36.9K
Raised by the campaign
$1K
$25.9K
Spent by the campaign
$746
Campaign money: Montana Commissioner of Political Practices, through Oct 13, 2026; Montana Commissioner of Political Practices, through Jul 1, 2026.
Source: Montana Commissioner of Political Practices campaign filingsUpdated Jul 1, 2026
Pre-election forecast (final, Nov 3)
Our model's last run before Election Day, Nov 3, 2026. It no longer updates.
- Kathleen Williams
- >99%
- Richard Aungier
- <1%
- Projected margin
- D+30.6