Leaving office January 1, 2027.Did not run for re-election in 2026. This page switches to the former-officeholder layout when the term ends.
RepublicanIn office until January 1, 2027

Mike Cuffe

Montana State Senator, District 1 since 2018. Did not run for re-election in 2026; leaves office in January 2027.

Montana State Senator, District 1

In office
7 yrs
Since 2018
Bills became law
11
12 sponsored, 2025–2026 session
Votes missed
2.1%
Chamber median 0.5%
With party
73%
On votes splitting the parties
Last margin
+66.3
Won 2018

Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 9:43 AM ET

Committees

As of 2026-10.

  • Natural Resources · vice chair
  • Natural Resources Interim Budget · vice chair
  • Energy, Technology and Federal Relations
  • Finance and Claims
  • Natural Resources
  • State Administration and Veterans' Affairs Interim

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

Legislation

2025–2026 session · 12 sponsored · 11 became law
BillIntroCmteSenateHouseLaw
SB 545 Establish the Danny L. Radish Highway in Lincoln County
Highways and Roads · Became law May 2025
SB 226 Require petition submittals be dropped off within a specific timeframe
Ballot Issues · Became law May 2025
SB 56 Supplemental employer contribution for PERS, HPORS, SRS, GWPORS
Counties · Became law May 2025
SB 57 Revise county canvassing processes
Counties · Became law May 2025
SB 490 Revise election laws regarding late registration
Elections · 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 Cuffe sits in the Montana State Senate

Cuffe is closer to the center than 66% of the chamber's Republicans.

Dem. medianRep. medianCuffeMore liberalMore conservative

Closest: Mike Yakawich, Denley Loge, Butch Gillespie

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

With Cuffe’s party

  • Votes with the chamber's Republicans73%

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

Source: 99chambers legislative scores from roll calls and cosponsorships

Key votes

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

DateBillCuffeRep. majorityDem. majorityResult
Apr 23, 2025HB 860: Provide for veterinary training loan programYesYesYesPassed 41–9
Apr 23, 2025HB 129: Provide income tax benefit to support emergency response volunteersYesNoYesPassed 28–22
Apr 23, 2025HB 853: Revise fees for licensed establishmentsYesNoYesPassed 29–21

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

Career

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

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.

YearRaceResultMargin
2022Montana State Senate, District 1Won—
2018Montana State Senate, District 1WonR+66.3
2016Montana House of Representatives, District 2WonR+57.4
2014Montana House of Representatives, District 2WonR+53.8
2012Montana House of Representatives, District 2Won—
2010Montana House of Representatives, District 2WonR+39.9

Source: 99chambers results archive

Seats Cuffe has held

Source: 99chambers results archive

Who Cuffe has run against

  • Austen Lee Nelson (L) · 2018 general, won
  • David B. McGarry (D) · 2016 general, won
  • Steven Benson (D) · 2014 general, won
  • Tim Linehan (D) · 2010 general, won

Source: 99chambers results archive

How we know Cuffe

One person, matched across every source we use.

Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 9:43 AM ET