Montana State Senate seat · lines in effect since 2024
Montana Senate District 11
A district of about 15,000 people, 24% of adults with a bachelor's degree. It votes R+18.3 relative to the nation for president.
Where it sits among all 50 seats
Every Montana State Senate seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.
Democratic
Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET
Every race on these lines
Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.
| 2016 | 2018 | 2020 | 2024 | 2026 | |
|---|---|---|---|---|---|
| U.S. Senate | No race | D+14.7 | R+1.8 | R+2.6 | No race |
| Governor | D+17.2 | No race | No race | R+24.5 | No race |
| Montana State Senate | No race | No race | No race | No race | R+8.7 |
Outlined: the race for this seat itselfBlank: no race that year
Source: 99chambers results archive: precinct results allocated to current lines; 2026: Montana Secretary of StateUpdated Nov 7, 2026, 3:01 PM ET
Who lives here, compared
Grey bars show the spread of all 50 seats. Small marks are other seats in Montana. The black marker is District 11.
Lower than 88% of seats.
Higher than 76% of seats.
Higher than 92% of seats.
Highest of 50 seats.
Higher than 94% of seats.
Denser than 82% of seats.
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET
Seats most like this one
Nearest seats on demographics, density and lean. 1 of the 4 flipped this year.
District 1025% college gradsR+6.6Flipped DDistrict 31
57% college gradsD+21.8Held DDistrict 23
40% college gradsD+2.1Held DDistrict 24
27% college gradsR+4.6Not up in 2026
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET
Who has held it
These lines took effect in 2024.
- Steven Galloway (R)
2027– · Won 2026 by 8.7
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)