Montana State Senate seat · lines in effect since 2024

Montana Senate District 15

A district of about 26,000 people, 22% of adults with a bachelor's degree. It votes R+60.0 relative to the nation for president.

2024 election

Nov 5, 2024
  1. Gregg Hunter (R) · won100.0%

Unopposed.

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.

R+60.048th most
Democratic
Most DemocraticMost Republican26th seat · the majority lineDistrict 15

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

18 races since 1968; the seat changed party 3 times. District numbers are redrawn after each census: each group is one set of lines.

YearWinnerRunner-upWon by
Lines first used in 2024
2024Gregg Hunter (R)—Unopposed
Lines first used in 2022
2022No winner recordedDan Bartel (R)—
2022 specialDan Bartel (R)Cindy Palmer (D)59.9
Lines first used in 2012
2020Ryan Osmundson (R)—Unopposed
2016Ryan Osmundson (R)Sean McConnaha (D)53.7
Lines first used in 2002
2010Jim Peterson (R)Dan Teigen (D)51.8
2006Jim Peterson (R)Dan Teigen (D)38.2
Lines first used in 1992
2000Emily Swanson (D)Joe Barnett (R)19.1
1996Dorothy Eck (D)FlipClark V. Johnson (R)20.3
1992John R. Hertel (R)Bob Williams (D)23.8
Lines first used in 1982
1988Bob Williams (D)W. G. Garry Rafter (R)9.6
1984Bob Williams (D)Charles W. Lelek (R)3.5
1982David Fuller (D)Thomas Meagher (R)1.4
Lines first used in 1972
1978Steve Brown (D)FlipFrank Dunkle (R)3.2
1974Frank Dunkle (R)FlipJoe Reber (D)17.3
1972W. Gordon McOmber · Percy Dewolfe (D)James A. Cheetham (R)0.2
Lines first used in 1962
1970Virgil Hanks (D)Al C. Newby (R)1.5
1968Paul F. Boylan (D)J. D. Street (R)3.3

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 15

The state's districts in other chambers that share residents with this one, and the share of District 15's area in each.

U.S. House
MT-2 100%
Montana House of Representatives
HD-29 78%, HD-30 22%

Every race on these lines

Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.

201620182020
PresidentR+55.9No raceR+59.1
U.S. SenateNo raceR+32.8R+51.8
GovernorR+34.8No raceNo race

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 15.

Adults with a bachelor's degree22% 6th pct · 47th of 50 in MT

Lower than 94% of seats.

White adults without a degree53% 39th pct · 31st of 50 in MT

Lower than 61% of seats.

Hispanic residents4% 49th pct · 26th of 50 in MT

Lower than 51% of seats.

Black residents0% 31st pct · 35th of 50 in MT

Lower than 69% of seats.

Asian residents1% 47th pct · 27th of 50 in MT

Lower than 53% of seats.

People per square mile3.4 14th pct · 43rd of 50 in MT

Less dense than 86% of seats.

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET