Denise Hayman
Montana State Senator, District 32 since 2022. Did not run for re-election in 2026; leaves office in January 2027.
- In office
- 3 yrs
- Since 2022
- Votes missed
- 2.1%
- Chamber median 0.5%
- With party
- 94%
- On votes splitting the parties
- Last margin
- +35.8
- Won 2022
Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 9:43 AM ET
Committees
As of 2026-10.
- Legislative Administration · vice chair
- State Administration · vice chair
- Energy, Technology and Federal Relations
- Executive Branch Review
- Legislative Audit
Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET
Voting record
Where Hayman sits in the Montana State Senate
Hayman is closer to the center than 39% of the chamber's Democrats.
Closest: Janet Ellis, Jonathan Windy Boy, Pat Flowers
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:55 PM ET
With Hayman’s party
- Votes with the chamber's Democrats94%
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: Hayman’s vote, each party’s majority, and the result. An orange vote differs from most Democrats.
| Date | Bill | Hayman | 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 Hayman 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 |
|---|---|---|---|
| 2022 | Montana State Senate, District 33 | Won | D+35.8 |
| 2020 | Montana House of Representatives, District 66 | Won | — |
| 2018 | Montana House of Representatives, District 66 | Won | — |
| 2016 | Montana House of Representatives, District 66 | Won | — |
| 2014 | Montana House of Representatives, District 66 | Won | D+29.0 |
Source: 99chambers results archive
Seats Hayman has held
- Montana State Senate, District 33 · since 2022
- Montana House of Representatives, District 66 · 2014–2022
Source: 99chambers results archive
Who Hayman has run against
- Adam Dewis (R) · 2022 general, won
- Ed Johnson (R) · 2014 general, won
Source: 99chambers results archive
How we know Hayman
One person, matched across every source we use.
- Open States ocd-person/482e35af-a664-4010-a5db-33f21d902045
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 9:43 AM ET