Sam Forstag, 2026 Montana 1st District House Democratic candidate
Sam Forstag
DEMOCRATIC
Smokejumper and Union Leader
Montana state flag

Montana 12026 HOUSE POLLS

Aaron Flint, 2026 Montana 1st District House Republican candidate
Aaron Flint
REPUBLICAN
Radio Host

2026 Montana 1st District House Forecast:

The Pollsmax 2026 Montana 1st District House forecast currently gives Republican Aaron Flint a 66.9% chance of defeating Democrat Sam Forstag. Pollsmax projects Flint to receive 50.8% of the vote compared with 49.2% for Forstag, a projected Republican margin of 1.6 percentage points. The model currently rates the race as Lean Republican. The forecast is updated using 100,000 simulations incorporating polling and race fundamentals. See the Pollsmax forecast methodology.

The 2026 Montana 1st District House election features Democrat Sam Forstag and Republican Aaron Flint. The seat is open in 2026, giving both parties a chance to win the district's representation in the lower chamber of Congress. In 2024, Donald Trump won Montana's 1st congressional district by 11.5%, and the election for the district's House seat is rated as lean Republican in 2026. The race will test whether Democrats can flip a competitive Montana seat or whether Republicans can hold one of their key House battlegrounds. Montana's 1st District will be important in determining control of the House for the second half of President Trump's term.

Year
2026
Race
House
District
MT-1
Democratic candidate
Sam Forstag
Republican candidate
Aaron Flint
Incumbent / open seat
Open seat
Forecast rating
Lean R
Projected vote
49.2% D / 50.8% R
Projected margin
R +1.6
Forecast odds
33.1% D / 66.9% R
Forecast last updated
12:00 AM on September 30, 2026
Polling average
42.1% D / 44.4% R
Polling average margin
R +2.3
Polling last updated
12:00 AM on September 10, 2026
Polls included
4
Latest poll
Public Policy Polling (D) — September 10, 2026