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Montana state legislative districts

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There are 150 seats in the Montana State Legislature. A total of 125 seats, 25 of the Montana State Senate and all 100 of the Montana House of Representatives, are up for election every two years.

Montana enacted new legislative district boundaries after the 2020 census on February 22, 2023, when the Montana Districting & Apportionment Commission (MDAC) submitted its final plan to the secretary of state. The commission had voted 3-2 to approve the final plan on February 11, 2023. The two Democratic-appointed commissioners and the commission's chairperson—that the state supreme court appointed—voted to approve the plan. The two Republican-appointed commissioners voted against it. These districts took effect for the 2024 elections. Click here for more information about redistricting after the 2020 census.

Chambers

Click the following tabs for more information about each chamber:

Senate

As of the 2020 Census, Montana state senators represented an average of 21,708 residents. After the 2010 Census, each member represented 19,888 residents.

Qualifications

See also: State legislature candidate requirements by state

According to Part V, Section 4, of the Montana Constitution, in order to be eligible to serve in the Montana State Senate, [1] "A candidate for the legislature shall be a resident of the state for at least one year next preceding the general election. For six months next preceding the general election, he shall be a resident of the county if it contains one or more districts or of the district if it contains all or parts of more than one county."

According to the Montana Secretary of State, candidates must be U.S. citizens.[2]

Candidates must be registered voters in the state.[3][4]

Vacancies

See also: How vacancies are filled in state legislatures

If there is a vacancy in the Montana State Legislature, the board of county commissioners of the county that comprises the legislative district of the vacant seat must select a replacement. The secretary of state must notify the board of county commissioners and the state party that holds the vacant seat no later than seven days after being informed of the vacancy. The county central committee has 45 days after receiving notice from the secretary of state to provide a list of candidates to the board of county commissioners. The board must select a replacement no later than 15 days after receiving the list of candidates. If the legislature is in session, the selection must be made no later than five days after receiving a candidate list.[5] Any person selected to fill a House seat serves for the remainder of the unfilled term. Any person selected to fill a Senate seat serves until the next scheduled general election.[6]

DocumentIcon.jpg See sources: Montana Const. Art. 5, Sec 7 and Montana Code Ann. §5-2-402


Term limits

See also: State legislatures with term limits

The Montana legislature is one of 16 state legislatures with term limits. Voters enacted the Montana Term Limits Act in 1992. That initiative said that Montana senators cannot serve more than two four-year terms, or a total of eight years in any 16-year period.[7]

The first year that the term limits enacted in 1992 impacted the ability of incumbents to run for office was in 2000.[8]

Salaries

See also: Comparison of state legislative salaries
State legislative salaries, 2024[9]
SalaryPer diem
$104.86/legislative day$171/day

Districts

These are links to every district in the Montana State Senate.


Office
Montana State Senate District 1
Montana State Senate District 2
Montana State Senate District 3
Montana State Senate District 4
Montana State Senate District 5
Montana State Senate District 6
Montana State Senate District 7
Montana State Senate District 8
Montana State Senate District 9
Montana State Senate District 10
Montana State Senate District 11
Montana State Senate District 12
Montana State Senate District 13
Montana State Senate District 14
Montana State Senate District 15
Montana State Senate District 16
Montana State Senate District 17
Montana State Senate District 18
Montana State Senate District 19
Montana State Senate District 20
Montana State Senate District 21
Montana State Senate District 22
Montana State Senate District 23
Montana State Senate District 24
Montana State Senate District 25
Montana State Senate District 26
Montana State Senate District 27
Montana State Senate District 28
Montana State Senate District 29
Montana State Senate District 30
Montana State Senate District 31
Montana State Senate District 32
Montana State Senate District 33
Montana State Senate District 34
Montana State Senate District 35
Montana State Senate District 36
Montana State Senate District 37
Montana State Senate District 38
Montana State Senate District 39
Montana State Senate District 40
Montana State Senate District 41
Montana State Senate District 42
Montana State Senate District 43
Montana State Senate District 44
Montana State Senate District 45
Montana State Senate District 46
Montana State Senate District 47
Montana State Senate District 48
Montana State Senate District 49
Montana State Senate District 50


House

As of the 2020 Census, Montana state representatives represented an average of 10,854 residents. After the 2010 Census, each member represented 9,944 residents.

Qualifications

See also: State legislature candidate requirements by state

According to Part V, Section 4, of the Montana Constitution, in order to be eligible to serve in the Montana House of Representatives,[10] "A candidate for the legislature shall be a resident of the state for at least one year next preceding the general election. For six months next preceding the general election, he shall be a resident of the county if it contains one or more districts or of the district if it contains all or parts of more than one county."

According to the Montana Secretary of State, candidates must be U.S. citizens.[11]

Candidates must be registered voters in the state.[12][13]

Vacancies

See also: How vacancies are filled in state legislatures

If there is a vacancy in the Montana State Legislature, the board of county commissioners of the county that comprises the legislative district of the vacant seat must select a replacement. The secretary of state must notify the board of county commissioners and the state party that holds the vacant seat no later than seven days after being informed of the vacancy. The county central committee has 45 days after receiving notice from the secretary of state to provide a list of candidates to the board of county commissioners. The board must select a replacement no later than 15 days after receiving the list of candidates. If the legislature is in session, the selection must be made no later than five days after receiving a candidate list.[14] Any person selected to fill a House seat serves for the remainder of the unfilled term. Any person selected to fill a Senate seat serves until the next scheduled general election.[15]

DocumentIcon.jpg See sources: Montana Const. Art. 5, Sec 7 and Montana Code Ann. §5-2-402


Term limits

See also: State legislatures with term limits

The Montana legislature is one of 16 state legislatures with term limits. Voters enacted the Montana Term Limits Act in 1992. That initiative said that Montana representatives cannot serve more than four two-year terms, or a total of eight years in any 16-year period.[16]

The first year that the term limits enacted in 1992 impacted the ability of incumbents to run for office was in 2000.[8]

Salaries

See also: Comparison of state legislative salaries
State legislative salaries, 2024[17]
SalaryPer diem
$104.86/legislative day$171/day

Districts

These are links to every district in the Montana House of Representatives.


Office
Montana House of Representatives District 1
Montana House of Representatives District 2
Montana House of Representatives District 3
Montana House of Representatives District 4
Montana House of Representatives District 5
Montana House of Representatives District 6
Montana House of Representatives District 7
Montana House of Representatives District 8
Montana House of Representatives District 9
Montana House of Representatives District 10
Montana House of Representatives District 11
Montana House of Representatives District 12
Montana House of Representatives District 13
Montana House of Representatives District 14
Montana House of Representatives District 15
Montana House of Representatives District 16
Montana House of Representatives District 17
Montana House of Representatives District 18
Montana House of Representatives District 19
Montana House of Representatives District 20
Montana House of Representatives District 21
Montana House of Representatives District 22
Montana House of Representatives District 23
Montana House of Representatives District 24
Montana House of Representatives District 25
Montana House of Representatives District 26
Montana House of Representatives District 27
Montana House of Representatives District 28
Montana House of Representatives District 29
Montana House of Representatives District 30
Montana House of Representatives District 31
Montana House of Representatives District 32
Montana House of Representatives District 33
Montana House of Representatives District 34
Montana House of Representatives District 35
Montana House of Representatives District 36
Montana House of Representatives District 37
Montana House of Representatives District 38
Montana House of Representatives District 39
Montana House of Representatives District 40
Montana House of Representatives District 41
Montana House of Representatives District 42
Montana House of Representatives District 43
Montana House of Representatives District 44
Montana House of Representatives District 45
Montana House of Representatives District 46
Montana House of Representatives District 47
Montana House of Representatives District 48
Montana House of Representatives District 49
Montana House of Representatives District 50
Montana House of Representatives District 51
Montana House of Representatives District 52
Montana House of Representatives District 53
Montana House of Representatives District 54
Montana House of Representatives District 55
Montana House of Representatives District 56
Montana House of Representatives District 57
Montana House of Representatives District 58
Montana House of Representatives District 59
Montana House of Representatives District 60
Montana House of Representatives District 61
Montana House of Representatives District 62
Montana House of Representatives District 63
Montana House of Representatives District 64
Montana House of Representatives District 65
Montana House of Representatives District 66
Montana House of Representatives District 67
Montana House of Representatives District 68
Montana House of Representatives District 69
Montana House of Representatives District 70
Montana House of Representatives District 71
Montana House of Representatives District 72
Montana House of Representatives District 73
Montana House of Representatives District 74
Montana House of Representatives District 75
Montana House of Representatives District 76
Montana House of Representatives District 77
Montana House of Representatives District 78
Montana House of Representatives District 79
Montana House of Representatives District 80
Montana House of Representatives District 81
Montana House of Representatives District 82
Montana House of Representatives District 83
Montana House of Representatives District 84
Montana House of Representatives District 85
Montana House of Representatives District 86
Montana House of Representatives District 87
Montana House of Representatives District 88
Montana House of Representatives District 89
Montana House of Representatives District 90
Montana House of Representatives District 91
Montana House of Representatives District 92
Montana House of Representatives District 93
Montana House of Representatives District 94
Montana House of Representatives District 95
Montana House of Representatives District 96
Montana House of Representatives District 97
Montana House of Representatives District 98
Montana House of Representatives District 99
Montana House of Representatives District 100

Redistricting

Montana uses a non-politician commission for congressional and state legislative redistricting. This commission comprises five members. The majority and minority leaders of each chamber of the state legislature select one member a piece. These four members then select a fifth to serve as the commission's chair. If the first four commissioners are unable to agree on an appointment, the Montana Supreme Court may select the fifth member.[18]

The Montana Constitution requires that no commissioner be a public official. State statutes require that two of the first four commissioners "must be selected from certain counties (roughly, in the Montana Rockies to the west) and two must be selected from the rest of the state (to the east)."[18]

The state's Districting and Apportionment Commission must complete congressional redistricting within 90 days of receiving federal census data. It must prepare a legislative redistricting plan "by the 10th legislative day of the first regular session after the federal census results are available. The Legislature then has 30 days to make recommendations to the commission. Within 30 days of receiving the Legislature's recommendations, the commission must file the redistricting plan with the Secretary of State, and it becomes law. Although the commission may modify the plan to accommodate the Legislature's recommendations, it is not required to do so."[19]

The state constitution requires that districts be both contiguous and compact.[18]

The ... commission has stated that it may gauge compactness by looking to a district's general appearance, and the degree to which it fosters "functional compactness" through "travel and transportation, communication, and geography." The commission has similarly determined that it will, in drawing legislative districts, consider the boundary lines of political subdivisions (counties, cities, towns, school districts, Indian reservations, neighborhood commissions, and others); follow geographic boundaries; and consider keeping intact communities of interest (based on "Indian reservations, urban[, suburban, or rural] interests, . . . neighborhoods, trade areas, geographic location, communication and transportation networks, media markets, social, cultural and economic interests, or occupations and lifestyles").[20]
—All About Redistricting



Montana enacted new legislative district boundaries after the 2020 census on February 22, 2023, when the Montana Districting & Apportionment Commission (MDAC) submitted its final plan to the secretary of state. The commission had voted 3-2 to approve the final plan on February 11, 2023. The two Democratic-appointed commissioners and the commission's chairperson—that the state supreme court appointed—voted to approve the plan. The two Republican-appointed commissioners voted against it. These districts took effect for the 2024 elections.

The MDAC voted 3-2 to submit its final legislative district boundary proposal to the legislature on December 21, 2022. The commission's nonpartisan chairperson, Maylinn Smith, and two Democratic-appointed commissioners voted to approve the map, and the two Republican-appointed commissioners voted against it.[21] The legislature provided recommendations on the plan via a joint House-Senate resolution on February 2, 2023. The MDAC incorporated some, but not all, of the legislature's proposed amendments into the final plan.

Montana was the last state to enact legislative redistricting plans after the 2020 census. The state constitution requires that the redistricting commission submit legislative maps to the legislature so they can provide non-binding recommendations before they are enacted. Montana's legislature only meets in odd-numbered years and adjourned in April 2021, before U.S. Census data was delivered to the states on August 12, 2021.[22]

Shaylee Ragar of Montana Public Radio wrote that "According to data compiled by Democrats on the commission, the map could give Republicans a 20-seat advantage in the House and an 8-seat advantage in the Senate. It projects Democrats picking up a few seats currently held by Republicans."[23] Arren Kimbel-Sannit wrote in the Montana Free Press that, "In sum, the new maps could cost Republicans several seats while still leaving them a sizable majority that at least suggests the GOP’s dominance in recent elections."[24]

Senate elections

Montana state senators serve staggered, four-year terms and half of the Senate is up for election every two years. Montana holds elections for its legislature in even years.

2026

See also: Montana State Senate elections, 2026

Elections for the Montana State Senate will take place in 2026. The general election is on November 3, 2026.

2024

See also: Montana State Senate elections, 2024

Elections for the Montana State Senate took place in 2024. The general election was on November 5, 2024. The primary was June 4, 2024. The filing deadline was March 11, 2024.

2022

See also: Montana State Senate elections, 2022

Elections for the Montana State Senate took place in 2022. The general election was on November 8, 2022. A primary was scheduled for June 7, 2022. The filing deadline was March 14, 2022.

In the 2022 election, Republicans increased their majority in the Montana State Senate from 31-19 to 34-16.

Montana State Senate
Party As of November 8, 2022 After November 9, 2022
     Democratic Party 19 16
     Republican Party 31 34
Total 50 50

2020

See also: Montana State Senate elections, 2020

Elections for the office of Montana State Senate took place in 2020. The general election was held on November 3, 2020. A primary was scheduled for June 2, 2020. The filing deadline was March 9, 2020.

In the 2020 election, Republicans increased their majority in the Montana State Senate from 30-20 to 31-19.

Montana State Senate
Party As of November 3, 2020 After November 4, 2020
     Democratic Party 20 19
     Republican Party 30 31
Total 50 50

2018

See also: Montana State Senate elections, 2018

Elections for the Montana State Senate took place in 2018. An open primary took place on June 5, 2018. The general election was held on November 6, 2018. The candidate filing deadline was March 12, 2018.[25]

In the 2018 elections, the Republican majority in the Montana State Senate was reduced from 32-18 to 30-20.

Montana State Senate
Party As of November 6, 2018 After November 7, 2018
     Democratic Party 18 20
     Republican Party 32 30
Total 50 50

2016

See also: Montana State Senate elections, 2016

Elections for the Montana State Senate took place in 2016. The primary election was held on June 7, 2016, and the general election was held on November 8, 2016. The candidate filing deadline was March 14, 2016. A total of 25 seats out of the 50 seats in the Montana State Senate were up for election in 2016.

Heading into the election, Republicans held a 29-20 majority with one vacancy. Republicans gained three seats in the election, giving them a 32-18 majority.

Montana State Senate
Party As of November 7, 2016 After November 8, 2016
     Democratic Party 20 18
     Republican Party 29 32
     Vacancy 1 0
Total 50 50

House elections

Montana state representatives serve two-year terms, with all seats up for election every two years. Montana holds elections for its legislature in even years.

2026

See also: Montana House of Representatives elections, 2026

Elections for the Montana House of Representatives will take place in 2026. The general election is on November 3, 2026.

2024

See also: Montana House of Representatives elections, 2024

Elections for the Montana House of Representatives took place in 2024. The general election was on November 5, 2024. The primary was June 4, 2024. The filing deadline was March 11, 2024.

Heading into the 2024 elections, Republicans held a 68-32 majority. After the election, the Republican majority was 58-42.

Montana House of Representatives
Party As of November 5, 2024 After November 6, 2024
     Democratic Party 32 42
     Republican Party 68 58
Total 100 100

2022

See also: Montana House of Representatives elections, 2022

Elections for the Montana House of Representatives took place in 2022. The general election was on November 8, 2022. A primary was scheduled for June 7, 2022. The filing deadline was March 14, 2022.

In the 2022 elections, Republicans increased their majority in the Montana House of Representatives from 67-33 to 68-32.

Montana House of Representatives
Party As of November 8, 2022 After November 9, 2022
     Democratic Party 33 32
     Republican Party 67 68
Total 100 100

2020

See also: Montana House of Representatives elections, 2020

Elections for the office of Montana House of Representatives took place in 2020. The general election was held on November 3, 2020. A primary was scheduled for June 2, 2020. The filing deadline was March 9, 2020.

In the 2020 elections, Republicans increased their majority in the Montana House of Representatives from 58-42 to 67-33.

Montana House of Representatives
Party As of November 3, 2020 After November 4, 2020
     Democratic Party 42 33
     Republican Party 58 67
Total 100 100

2018

See also: Montana House of Representatives elections, 2018

Elections for the Montana House of Representatives took place in 2018. An open primary took place on June 5, 2018. The general election was held on November 6, 2018. The candidate filing deadline was March 12, 2018.[33]

In the 2018 elections, the Republican majority in the Montana House of Representatives was reduced from 59-41 to 58-42.

Montana House of Representatives
Party As of November 6, 2018 After November 7, 2018
     Democratic Party 41 42
     Republican Party 59 58
Total 100 100

2016

See also: Montana House of Representatives elections, 2016

Elections for the Montana House of Representatives took place in 2016. The primary election was held on June 7, 2016, and the general election was held on November 8, 2016. The candidate filing deadline was March 14, 2016. All 100 seats in the Montana House of Representatives were up for election in 2016.

Heading into the election, Republicans held a 59-41 majority. No partisan change occurred in the election.

Montana House of Representatives
Party As of November 7, 2016 After November 8, 2016
     Democratic Party 41 41
     Republican Party 59 59
Total 100 100

District maps

State Senate


State House


See also

Footnotes

  1. Constitution of the State of Montana, "Article 5, Section 4," accessed May 22, 2025
  2. Montana Secretary of State, "2024 Offices, Qualifications, and Fees," accessed May 27, 2025
  3. "Montana Secretary of State, "Declaration for Nomination and Oath of Candidacy," accessed May 29, 2025
  4. "Montana Secretary of State, "Write-In Candidate Declaration of Intent and Oath of Candidacy," accessed May 29, 2025
  5. Montana Legislature, "Montana Code Annotated," accessed February 9, 2021 (Statute 5-2-402 (3) (a)-(c))
  6. Montana Legislature, "Montana Code Annotated," accessed February 9, 2021 (Statute 5-2-405 (1)-(2))
  7. Montana State Constitution, "Article 4, Section 8," accessed February 9, 2021
  8. 8.0 8.1 U.S. Term Limits, "State Legislative Term Limits," accessed February 4, 2021
  9. National Conference of State Legislatures, "2024 Legislator Compensation," August 21, 2024
  10. The Constitution of the State of Montana, "Article 5, Section 4," accessed May 22, 2025
  11. Montana Secretary of State, "2024 Offices, Qualifications, and Fees," accessed May 27, 2025
  12. "Montana Secretary of State, "Declaration for Nomination and Oath of Candidacy," accessed May 29, 2025
  13. "Montana Secretary of State, "Write-In Candidate Declaration of Intent and Oath of Candidacy," accessed May 29, 2025
  14. Montana Legislature, "Montana Code Annotated," accessed February 9, 2021 (Statute 5-2-402 (3) (a)-(c))
  15. Montana Legislature, "Montana Code Annotated," accessed February 9, 2021 (Statute 5-2-405 (1)-(2))
  16. Montana State Constitution, "Article 4, Section 8," accessed February 9, 2021
  17. National Conference of State Legislatures, "2024 Legislator Compensation," August 21, 2024
  18. 18.0 18.1 18.2 All About Redistricting, "Montana," accessed April 29, 2015
  19. Montana State Legislature, "Districting and Apportionment Commission," accessed October 6, 2021
  20. Note: This text is quoted verbatim from the original source. Any inconsistencies are attributable to the original source.
  21. Daily Montanan, "Redistricting Commission votes to send map to the legislature for recommendations," December 21, 2022
  22. Montana State Legislature, "Constitution of Montana -- Article V -- THE LEGISLATURE," accessed June 2, 2022
  23. Montana Public Radio, "Redistricting commission adopts final legislative maps," February 13, 2023
  24. Montana Free Press, "Explaining the why and the where of Montana’s new legislative districts," February 13, 2023
  25. Montana Secretary of State, "2018 Election Calendar," accessed June 22, 2017
  26. Follow the Money, "Montana 2012 - Candidates," accessed June 2, 2014
  27. Follow the Money, "Montana 2010 - Candidates," accessed June 2, 2014
  28. Follow the Money, "Montana 2008 - Candidates," accessed June 2, 2014
  29. Follow the Money, "Montana 2006 - Candidates," accessed June 2, 2014
  30. Follow the Money, "Montana 2004 - Candidates," accessed June 2, 2014
  31. Follow the Money, "Montana 2002 - Candidates," accessed June 2, 2014
  32. Follow the Money, "Montana 2000 - Candidates," accessed June 2, 2014
  33. Montana Secretary of State, "2018 Election Calendar," accessed June 22, 2017
  34. Follow the Money, "Montana 2012 - Candidates," accessed June 2, 2014
  35. Follow the Money, "Montana 2010 - Candidates," accessed June 2, 2014
  36. Follow the Money, "Montana 2008 - Candidates," accessed June 2, 2014
  37. Follow the Money, "Montana 2006 - Candidates," accessed June 2, 2014
  38. Follow the Money, "Montana 2004 - Candidates," accessed June 2, 2014
  39. Follow the Money, "Montana 2002 - Candidates," accessed June 2, 2014
  40. Follow the Money, "Montana 2000 - Candidates," accessed June 2, 2014