Montana State Senate seat · lines in effect since 2024

Montana Senate District 46

A district of about 22,000 people, 29% of adults with a bachelor's degree. It votes D+13.8 relative to the nation for president.

2024 election

Nov 5, 2024
  1. Jacinda Morigeau (D) · won58.3%
  2. Charles Headley (R)41.7%

Full results →

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.

D+13.87th most
Democratic
Most DemocraticMost Republican26th seat · the majority lineDistrict 46

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

14 races since 1974; the seat changed party 2 times. District numbers are redrawn after each census: each group is one set of lines.

YearWinnerRunner-upWon by
Lines first used in 2024
2024Jacinda Morigeau (D)Charles Headley (R)16.5
Lines first used in 2012
2020Shannon Obrien (D)Niki Sardot (R)32.1
2016Sue Malek (D)Adam S. Pummill (R)29.6
2012Sue Malek (D)Kevin Blackler (R)19.7
Lines first used in 2002
2008Carol Williams (D)—Unopposed
2004Carol Williams (D)Tom Opre (R)10.6
2002Ken Hansen (D)Ted Solomon (R)24.4
Lines first used in 1992
1998Greg Jergeson (D)—Unopposed
1994Greg Jergeson (D)Ted Solomon (R)15.3
Lines first used in 1982
1990Thomas E. Towe (D)FlipAl Bishop (R)10.5
1986Al Bishop (R)Thomas E. Towe (D)8.4
1982Elmer D. Severson (R)Wallace D. Scott (D)15.3
Lines first used in 1972
1978Elmer D. Severson (R)FlipFritz Tossberg (D)12.5
1974Miles Romney (D)Steve Mills (R)4.9

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 46

The state's districts in other chambers that share residents with this one, and the share of District 46's area in each.

U.S. House
MT-1 100%
Montana House of Representatives
HD-91 50%, HD-92 50%

Every race on these lines

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

2016201820202024
PresidentD+11.3No raceD+18.2D+23.1
U.S. SenateNo raceD+33.1D+24.3D+34.7
GovernorD+32.7No raceNo raceD+24.0

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 46.

Adults with a bachelor's degree29% 39th pct · 31st of 50 in MT

Lower than 61% of seats.

White adults without a degree48% 31st pct · 35th of 50 in MT

Lower than 69% of seats.

Hispanic residents5% 76th pct · 13th of 50 in MT

Higher than 76% of seats.

Black residents0% 51st pct · 25th of 50 in MT

Higher than 51% of seats.

Asian residents1% 39th pct · 31st of 50 in MT

Lower than 61% of seats.

People per square mile10.0 37th pct · 32nd of 50 in MT

Less dense than 63% of seats.

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