RepublicanIn office since Nov 2024

Josh Kassmier

Montana State Senator, District 13 since 2024. Ran in 4 elections between 2018 and 2024, winning 4. Next on the ballot in 2028.

Montana State Senator, District 13

In office
1 yr
Since 2024
Bills became law
5
15 sponsored, 2025–2026 session
Votes missed
0.8%
Chamber median 0.5%
With party
54%
On votes splitting the parties
Last margin
+41.1
Won 2018
Next election
2028
Nov 7, 2028

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

Committees

As of 2026-10.

  • Agriculture, Livestock and Irrigation · vice chair
  • Executive Branch Review · vice chair
  • Legislative Finance · chair
  • Economic Affairs Interim
  • Finance and Claims
  • Highways and Transportation
  • Long Range Planning Interim Budget Committee
  • Modernization and Risk Analysis Interim
  • State-Tribal Relations

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

Legislation

2025–2026 session · 15 sponsored · 5 became law
BillIntroCmteSenateHouseLaw
SB 74 Generally revise marijuana laws
Alcohol · Became law May 2025
SB 71 Revise natural resource operations fee policy laws
Environmental Protection · Became law May 2025
SB 78 Revise laws related to marking hides and meat
Livestock · Became law Apr 2025
SB 80 Allow for digital copies of required documentation for transport of livestock
Livestock · Became law Apr 2025
SB 79 Repeal laws related to inspection of animals in feedlots
Livestock · Became law Apr 2025

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

Voting record

2025–2026 session · placement by roll-call votes

Where Kassmier sits in the Montana State Senate

Kassmier is closer to the center than 84% of the chamber's Republicans.

Dem. medianRep. medianKassmierMore liberalMore conservative

Closest: Gayle Lammers, Jason Ellsworth, Shelley Vance

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

With Kassmier’s party

  • Votes with the chamber's Republicans54%

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: Kassmier’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.

DateBillKassmierRep. 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 Kassmier 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.

YearRaceResultMarginSeat+/−
2024Montana State Senate, District 13Won—R+44.5—
2022Montana House of Representatives, District 27Won—R+42.8—
2020Montana House of Representatives, District 27Won—R+44.0—
2018Montana House of Representatives, District 27WonR+41.1R+44.0−2.9

Source: 99chambers results archive

Seats Kassmier has held

Source: 99chambers results archive

Who Kassmier has run against

Source: 99chambers results archive

How we know Kassmier

One person, matched across every source we use.

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