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Montana Senate

Source: leg.mt.gov

Government Structure

The governance structure of Montana is based on a bicameral system, similar to the federal model, with power distributed across three branches: the Executive, the Judiciary, and the Legislative. The Legislative branch, the focus of this piece, is further divided into two chambers—the State Senate and the House of Representatives.

State Legislature Overview

The Montana Legislature is the heart of the state’s democratic process, responsible for drafting, debating, and passing laws that govern the residents. Comprising 150 members—50 State Senators and 100 Representatives—it is a vibrant, active body that reflects the diverse voices and perspectives of Montana’s citizens.

State Senate

The State Senate is one of the two chambers in the Montana Legislature. With 50 Senators, it is a crucial component of the legislative process. Senators are elected to four-year terms, with half of the seats up for election every two years, ensuring a balance of continuity and fresh perspectives. Through committees and full chamber debates, Senators scrutinize proposed legislation, provide oversight on public policy, and represent the interests of their constituents.

State House of Representatives

The State House of Representatives, the larger of the two chambers, comprises 100 members. Representatives serve two-year terms, with all seats up for election every two years. This chamber is where legislation often originates. The House prides itself on its dynamic debates and diligent legislative work, ensuring that every proposed law is thoroughly examined and deliberated upon.

Civic Engagement

Active civic engagement is at the core of the Montana Legislature’s functioning. Citizens are encouraged to voice their opinions, attend legislative sessions, and provide testimony on proposed legislation. This robust public involvement helps shape policy decisions and ensures lawmakers are responsive to the needs and concerns of their constituents.

Importance of Legislative Sessions

Legislative sessions in Montana hold immense significance as the epicenter of decision-making. It is during these sessions that lawmakers debate and vote on proposed laws, budgets, and other critical policy matters. These deliberations directly impact the state’s trajectory in areas such as public health, education, infrastructure, and the environment.

Accessing Legislative Sessions

Transparency is a key tenet of the Montana Legislature, and as such, legislative sessions are open to the public. Citizens can access these sessions either in-person or through live-streams available on the Legislature’s official website. This accessibility promotes openness and accountability, fostering trust between the government and its citizens.

How to Participate

Participation in the legislative process is not limited to elected officials. Citizens can participate by providing testimony at committee hearings, reaching out to their elected representatives, or even drafting legislation. The Legislature’s website provides resources on how to get involved, making the process accessible to all Montanans.

Statewide Impact

The decisions made by the Montana Legislature have a profound, statewide impact. From setting tax rates to determining education policy, the Legislature’s actions affect every aspect of life in Montana. This impact underscores the importance of citizen involvement and the vital role the Legislature plays in shaping the state’s future.

Key Policy Areas

The Montana Legislature delves into a wide range of policy areas, including but not limited to, education, healthcare, environment, and economic development. Each session brings its unique set of challenges and opportunities, with lawmakers striving to create policies that best serve the interests of their constituents and the state at large.

Conclusion

In conclusion, the Montana Legislature stands as a testament to the state’s commitment to democratic values, citizen engagement, and transparent governance. As the body responsible for shaping the state’s laws and policies, it plays an indispensable role in shaping Montana’s present and future. Its impact is felt by every resident, making it a critical institution in the state’s governance structure.

Montana State Senate

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18 Democrats32 Republicans
Dave FernSusan WebberJonathan Windy BoyEmma Kerr-CarpenterCora NeumannPat FlowersDenise HaymanChris PopeSara NovakDerek HarveyLaura SmithJanet EllisMary Ann DunwellJacinda MorigeauEllie BoldmanAndrea OlsenWillis CurdyShane MorigeauMike CuffeCarl GlimmJohn FullerMatt RegierMark NolandGreg HertzButch GillespieJeremy TrebasDaniel EmrichWendy McKameyJosh KassmierRussel TempelGregg HunterBob PhalenKen BognerBarry UsherSue VintonGayle LammersDaniel ZolnikovMike YakawichDennis LenzTom McGillvrayVince RicciForrest MandevilleJohn EspShelley VanceTony TezakBecky BeardWylie GaltJason EllsworthTheresa ManzellaDenley Loge
Republicans hold the majorityRepublican Majority
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Upcoming Montana State Senate Races

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25 races
IncumbentMike Cuffe Republican

General election

Democratic primary

In progress

Republican primary

  • state representative from the 1st district (2025–present)

  • former state representative from the 1st district (2017–2025)

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IncumbentJohn Fuller Republican

General election

  • Amy Regier Republican

    state representative from the 6th district (2021–present)

  • Kyle Waterman Democrat

    nominee for this district in 2022 and for the second senate district in 2020

Democratic primary

In progress
  • Kyle WatermanUnopposed

    nominee for this district in 2022 and for the second senate district in 2020

Republican primary

In progress
  • Amy RegierUnopposed

    state representative from the 6th district (2021–present)

IncumbentMark Noland Republican

General election

Democratic primary

In progress

Republican primary

In progress
IncumbentSusan Webber Democratic

General election

Democratic primary

Republican primary

In progress
IncumbentButch Gillespie Republican

General election

Democratic primary

In progress

Republican primary

  • state representative from the 18th district (2019–present), former state senator (2011–2019) from the 9th (2015–2019) and 14th districts (2011–2015)

  • state representative (2023–present) from the 17th (2025–present) and 80th districts (2023–2025)

IncumbentJeremy Trebas Republican

General election

Democratic primary

In progress

Republican primary

IncumbentDaniel Emrich Republican

General election

Democratic primary

In progress

Republican primary

IncumbentWendy McKamey Republican

General election

  • Democrat Nominee TBD
  • Republican Nominee TBD

Democratic primary

  • Republican candidate for the 22nd state representative district in 2024 and the 11th state senate district in 2010

  • optometrist

Republican primary

  • state representative from the 26th district (2023–present)

  • state public service commissioner from the 1st district (2019–present)

IncumbentRussel Tempel Republican

General election

  • Blake Borst Democrat

    nominee for the 28th state representative district in 2024

  • Republican Nominee TBD

Democratic primary

In progress
  • Blake BorstUnopposed

    nominee for the 28th state representative district in 2024

Republican primary

IncumbentKen Bogner Republican

General election

  • Stan Taylor Democrat

    nominee for the 36th state representative district in 2024

  • Republican Nominee TBD

Democratic primary

In progress
  • Stan TaylorUnopposed

    nominee for the 36th state representative district in 2024

Republican primary

  • state representative (2023–present) from the 36th (2025–present) and 38th districts (2023–2025)

IncumbentBarry Usher Republican

General election

Democratic primary

In progress

Republican primary

IncumbentDaniel Zolnikov Republican

General election

Republican primary

In progress
IncumbentEmma Kerr-Carpenter Democratic

General election

Democratic primary

In progress

Republican primary

In progress
IncumbentDennis Lenz Republican

General election

Democratic primary

In progress

Republican primary

IncumbentForrest Mandeville Republican

General election

Democratic primary

In progress

Republican primary

In progress
IncumbentJohn Esp Republican

General election

  • Jason Gunderson Republican

    nominee for the 58th state representative district in 2024

  • state representative from the 57th district (2025–present)

Democratic primary

In progress
  • Scott RosenzweigUnopposed

    state representative from the 57th district (2025–present)

Republican primary

In progress
  • Jason GundersonUnopposed

    nominee for the 58th state representative district in 2024

IncumbentPat Flowers Democratic

General election

Democratic primary

In progress
  • Kathleen WilliamsUnopposed

    former state representative (2011–2017) from the 61st (2011–2015) and 65th districts (2015–2017)

Republican primary

In progress
IncumbentDenise Hayman Democratic

General election

  • Neal Ganser Republican

    businessowner and nominee for the 33rd state senate district in 2024 and the 61st state representative district in 2016

  • Democrat Nominee TBD

Democratic primary

  • state representative from the 61st district (2025–present)

  • state representative from the 65th district (2021–present)

Republican primary

In progress
  • Neal GanserUnopposed

    businessowner and nominee for the 33rd state senate district in 2024 and the 61st state representative district in 2016

IncumbentShelley Vance Republican

General election

Democratic primary

In progress

Republican primary

IncumbentJanet Ellis Democratic

General election

  • Dru Koester Libertarian

    businessowner

  • Democrat Nominee TBD
  • Republican Nominee TBD

Democratic primary

  • former member of the Helena School Board

  • Olsen, consultant and nominee for the Clerk of the Montana Supreme Court in 2024

IncumbentMary Ann Dunwell Democratic

General election

Democratic primary

In progress

Republican primary

IncumbentJason Ellsworth Republican

General election

Democratic primary

In progress

Republican primary

  • state representative from the 86th district (2019–present)

  • state representative from the 85th district (2025–present)

IncumbentAndrea Olsen Democratic

General election

  • Andrea Olsen Democrat

    incumbent senator

  • Republican Nominee TBD

Democratic primary

In progress
IncumbentWillis Curdy Democratic

General election

  • Brad Tschida Republican

    state representative from the 97th district (2015–present)

  • Willis Curdy Democrat

    incumbent senator

Democratic primary

In progress

Republican primary

In progress
  • Brad TschidaUnopposed

    state representative from the 97th district (2015–present)

IncumbentShane Morigeau Democratic

General election

Democratic primary

In progress