DemocratIn office since Nov 2022

Shane A Morigeau

Montana State Senator, District 50 since 2022. Ran in 4 elections between 2016 and 2022, winning 3. Re-elected in 2026. Next on the ballot in 2030.

Montana State Senator, District 50Born 1984

Official website Wikipedia

In office: 3 yrs; Since 2022
Bills became law: 3; 13 sponsored, 2025–2026 session
Votes missed: 3.2%; Chamber median 0.5%
With party: 92%; On votes splitting the parties
Last margin: +27.8; Won 2022
Next election: 2030; Nov 5, 2030

Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 1:52 PM ET

Committees

As of 2026-10.

Natural Resources · vice chair
Finance and Claims
Fish and Game
Fish and Wildlife
Law and Justice Interim
Legislative Finance
Modernization and Risk Analysis Interim
Natural Resources
Public Safety Interim Budget
Rules
Rules

Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET

Legislation

2025–2026 session · 13 sponsored · 3 became law

BillIntroCmteSenateHouseLaw

SB 311 Enhance legislative understanding of state-tribal relations
Indians · Became law May 2025

SB 414 Generally revise laws relating to garbage feeding
Livestock · Became law May 2025

SB 224 Create indigenous peoples day
Indians · Became law May 2025

Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET

Voting record

2025–2026 session · placement by roll-call votes

Where Morigeau sits in the Montana State Senate

Morigeau is closer to the center than 61% of the chamber's Democrats.

Closest: Ellie Boldman, Willis Curdy, Emma Kerr-Carpenter

Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:55 PM ET

With Morigeau’s party

Votes with the chamber's Democrats92%

Black tick: the average of Democrats in the Montana State Senate.

Source: 99chambers legislative scores from roll calls and cosponsorships

Key votes

Votes chosen for their effect, not their side: Morigeau’s vote, each party’s majority, and the result. An orange vote differs from most Democrats.

Date	Bill	Morigeau	Dem. majority	Rep. majority	Result
Apr 23, 2025	HB 860: Provide for veterinary training loan program	Yes	Yes	Yes	Passed 41–9
Apr 23, 2025	HB 129: Provide income tax benefit to support emergency response volunteers	Yes	Yes	No	Passed 28–22
Apr 23, 2025	HB 853: Revise fees for licensed establishments	Yes	Yes	No	Passed 29–21

Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls

Career

Offices held, and every time Morigeau was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.

2016201720182019202020212022202320242025202620272028Montana House of Representatives, District 95 Montana State Senate, District 48

Source: 99chambers results archive (MEDSL, Klarner, state election offices)

Elections

Margin against the seat’s presidential baseline: how the seat voted for president in the same or nearest year.

Year	Race	Result	Margin	Seat	+/−
2026	Montana State Senate, District 50	Won	—	D+32.2	—
2022	Montana State Senate, District 48	Won	D+27.8	D+21.0	+6.8
2020	Montana Auditor	Lost	R+15.9	R+16.8	+0.9
2018	Montana House of Representatives, District 95	Won	D+54.5	D+38.5	+16.0
2016	Montana House of Representatives, District 95	Won	D+48.1	D+38.5	+9.6