Staggered Senate
Senators serve four-year terms; half the seats are on the ballot each election.
Montana › Montana State Senate · November 3, 2026 · Updated Oct 16, 2026
Kortum is very likely to win: Kortum wins in 49 of every 50 simulations.
Kortum is clearly favored to win: Kortum wins in about 19 of every 20 simulations.
Senators serve four-year terms; half the seats are on the ballot each election.
Final margin across our simulations; the white dashes mark the middle 80%.
State representative from the 65th district (2021–present)
Businessowner and nominee for the 33rd state senate district in 2024 and the 61st state representative district in 2016
Every ingredient's estimate of the final margin.
Each estimate is a margin before national and statewide uncertainty is simulated. Horizon blends polls, fundamentals and a little of the similar-places estimate, weighting each by how precise it is; Pulse uses polls and similar places only.
| Incumbency (+1 D, −1 R) | 0 |
| Fundraising edge (log ratio of individual money) | 1.29 |
| Elected-experience edge | 0 |
| First-term incumbent | 0 |
| Seat's last result vs. expectation | 0 |
| Incumbent's last result vs. expectation | 0 |
No public polls of this race. The forecast relies on fundamentals and on polling of similar places in the state.
Lean D+11: how much more Democratic or Republican than the nation it votes for president.
Precinct results re-aggregated to the current district lines.
American Community Survey 2020–2024, aggregated from census tracts.
Results in the same-numbered district; earlier elections may have used different lines.