Theresa Manzella
Montana State Senator, District 44 since 2020. Next on the ballot in 2028.
- In office
- 6 yrs
- Since 2020
- Bills became law
- 3
- 20 sponsored, 2025–2026 session
- Votes missed
- 1.4%
- Chamber median 0.5%
- With party
- 95%
- On votes splitting the parties
- Last margin
- +43.7
- Won 2024
- 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.
- State Administration · chair
- Education and Cultural Resources
- Judiciary
- State Administration and Veterans' Affairs Interim
Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET
Legislation
Appropriations · Became law May 2025
Elections · Failed in committee May 2025
Administrative Rules · Failed in committee May 2025
Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET
Voting record
Where Manzella sits in the Montana State Senate
Manzella is closer to the center than 22% of the chamber's Republicans.
Closest: John Fuller, Becky Beard, Barry Usher
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:55 PM ET
With Manzella’s party
- Votes with the chamber's Republicans95%
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: Manzella’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.
| Date | Bill | Manzella | Rep. majority | Dem. 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 | No | No | Yes | Passed 28–22 |
| Apr 23, 2025 | HB 853: Revise fees for licensed establishments | No | No | Yes | Passed 29–21 |
Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls
Career
Offices held, and every time Manzella 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.
| Year | Race | Result | Margin |
|---|---|---|---|
| 2024 | Montana State Senate, District 44 | Won | R+43.7 |
| 2020 | Montana State Senate, District 44 | Won | R+34.4 |
| 2018 | Montana House of Representatives, District 85 | Won | R+39.5 |
| 2016 | Montana House of Representatives, District 85 | Won | R+46.1 |
| 2014 | Montana House of Representatives, District 85 | Won | R+36.1 |
Source: 99chambers results archive
Seats Manzella has held
- Montana State Senate, District 44 · since 2020
- Montana House of Representatives, District 85 · 2014–2020
Source: 99chambers results archive
Who Manzella has run against
- Cade Scatolini (D) · 2024 general, won
- Margaret Gorski (D) · 2020 general, won
- Laura Jackson (D) · 2018 general, won
- A. Jo Young (D) · 2016 general, won
- James William Youso (D) · 2014 general, won
Source: 99chambers results archive
How we know Manzella
One person, matched across every source we use.
- Open States ocd-person/97c7ced5-ba80-4a9a-80ca-349fd2040a64
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 9:43 AM ET