Montana State Senate seat · lines in effect since 2024
Montana Senate District 45
A district of about 22,000 people, 38% of adults with a bachelor's degree. It votes R+19.3 relative to the nation for president.
2024 election
Nov 5, 2024- Denley Loge (R) · won59.0%
- Devin Jackson (D)33.1%
- Kelley Durbin-Williams (OTH)7.9%
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 12:13 PM ET
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 election for this seat
15 races since 1974; the seat changed party 2 times. District numbers are redrawn after each census: each group is one set of lines.
| Year | Winner | Runner-up | Won by |
|---|---|---|---|
| Lines first used in 2024 | |||
| 2024 | Denley Loge (R) | Devin Jackson (D) | 26.0 |
| Lines first used in 2012 | |||
| 2020 | Ellie Hill (D) | Susan Campbell Reneau (R) | 26.0 |
| 2016 | Dick Barrett (D) | Sashin Hume (R) | 29.6 |
| 2012 | Fred Thomas (R) | Dan Metully (D) | 24.5 |
| Lines first used in 2002 | |||
| 2008 | Jim Shockley (R) | — | Unopposed |
| 2004 | Jim Shockley (R)Flip | Kerry Wallmaclane (D) | 33.9 |
| 2002 | Jon Tester (D) | Roy Hollandsworth (R) | 42.4 |
| Lines first used in 1992 | |||
| 1998 | Jon Tester (D)Flip | Roger Debruycker (R) | 11.1 |
| 1994 | Loren Jenkins (R) | Robert G. Hockett (D) | 10.2 |
| 1992 | Bruce D. Crippen (R) | Mike E. Hilario (D) | 22.0 |
| Lines first used in 1982 | |||
| 1988 | Bruce D. Crippen (R) | — | Unopposed |
| 1984 | Bruce D. Crippen (R) | Clarence H. Nybo (D) | 22.5 |
| Lines first used in 1972 | |||
| 1980 | Jack Haffey (D) | — | Unopposed |
| 1976 | John Mehrens (D) | — | Unopposed |
| 1974 | John Mehrens (D) | — | Unopposed |
Won by: the winner's lead over the runner-up, in points of the vote. Source: 99chambers results archive (MEDSL, Klarner, state election offices)
Districts that overlap District 45
The state's districts in other chambers that share residents with this one, and the share of District 45's area in each.
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 | |
|---|---|---|---|---|
| President | R+22.9 | No race | R+18.7 | R+18.8 |
| U.S. Senate | No race | R+0.1 | R+12.2 | R+5.5 |
| Governor | D+1.8 | No race | No race | R+18.4 |
Outlined: the race for this seat itselfBlank: no race that year
Source: 99chambers results archive: precinct results allocated to current lines; 2026: civicAPIUpdated Nov 8, 2026, 7:01 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 45.
Higher than 67% of seats.
Lower than 53% of seats.
Higher than 61% of seats.
Higher than 61% of seats.
Higher than 71% of seats.
Less dense than 61% 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.
District 4243% college gradsR+11.8Held DDistrict 34
36% college gradsR+34.1Held RDistrict 3
40% college gradsR+40.8Not up in 2026District 7
27% college gradsR+40.2Not 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