CalledUnofficial results
Montana Senate District 48
Montana State Senate · Montana
Andrea Olsen won without an opponent on the ballot.
Staggered Senate
Andrea OlsenDemocrat · winner · incumbent
100.0%8,465
Andrea Olsen won without an opponent on the ballot.8,465 votes
Source: Montana Secretary of State unofficial resultsUpdated Nov 7, 2026, 1:22 PM ET
Money in this race
Each line compares the two campaigns on one scale.
Andrea OlsenNo Republican
$16.3K
Raised by the campaign
—
$10.2K
Spent by the campaign
—
Campaign money: Montana Commissioner of Political Practices, through Oct 25, 2026.
Source: Montana Commissioner of Political Practices campaign filingsUpdated Oct 25, 2026
Pre-election forecast (final, Nov 3)
Our model's last run before Election Day, Nov 3, 2026. It no longer updates.
No Republican was on the ballot, so the model gave the seat to Andrea Olsen without simulating it.
How the forecast works →