Sen. Andrea Olsen
Democratic Montana Senate · District 48 · Montana
-1.000Left–right score (within Senate)−1 = most liberal, +1 = most conservative in this chamber. Only compare with others in the same chamber.
#1 of 50Chamber rank, liberal→conservative#1 is the most liberal ranked member of this chamber.
86.6%Party unityHow often they vote the same way as most of their own party.
3244Roll calls (29 missed/absent)Recorded votes we have for this session; “missed” means they didn’t vote.
In office since 2025-01-06 · andrea.olsen@legmt.gov · leg.mt.gov/…/4842 · leg.mt.gov/…/5159 · leg.mt.gov/…/6941 · leg.mt.gov/…/7573 · Open States ID 2dcaf4be-0227-4ced-b01c-aacd8376c45a
Capitol: Capitol Building, 1301 E. 6th Ave. P.O. Box 200500, Helena, MT 59620 406-444-4800 · District: 622 Rollins St., Missoula, MT 59801 406-543-2666
Where they sit in the Montana Senate
Each gray bar counts how many ranked members of the Montana Senate have a score in that range, from most liberal (left) to most conservative (right). The colored line is Andrea Olsen. Scores are relative to this chamber only.
Chamber, by party
Each tick is one ranked member, placed by their score (blue D, red R, purple I/other). The tall tick is Andrea Olsen.
Committees
- Education and Cultural Resources
- Highways and Transportation
- Judiciary (vice chair)
- Legislative Consumer
- Transportation Interim
Recent votes (latest 60 of 3244 in the current session data)
| Date | Bill / motion | Vote | Result |
|---|---|---|---|
| 2025-04-30 | HJ 74 Do Concur Study resolution analyzing water re-use in the state | Yea | Pass 33–17 |
| 2025-04-30 | SB 324 Do Adopt Revise vehicle registration fees and allocate revenue for bridges and victims of crime | Nay | Fail 25–25 |
| 2025-04-30 | HJ 44 Do Concur Interim study of endocrine-disrupting chemicals and water quality | Nay | Pass 40–9 |
| 2025-04-30 | SB 324 Do Adopt Revise vehicle registration fees and allocate revenue for bridges and victims of crime | Yea | Pass 28–19 |
| 2025-04-30 | SB 472 Do Adopt Revise penalties for violations under 310 permit process | Yea | Pass 42–8 |
| 2025-04-30 | SB 542 Do Adopt Generally revise property tax laws | Yea | Pass 29–21 |
| 2025-04-30 | HB 381 Do Concur Provide for educational credit for students volunteering in long term care, nursing home, home care, and child care settings | Yea | Pass 50–0 |
| 2025-04-30 | HJ 75 Do Concur Interim study of the Montana state hospital | Yea | Fail 20–30 |
| 2025-04-30 | HJ 26 ReconsAction -Smith Study guardianships and conservatorships | Yea | Pass 28–21 |
| 2025-04-30 | HJ 75 Indefinitely Postpone -McGillvray Interim study of the Montana state hospital | Nay | Pass 34–16 |
| 2025-04-30 | HJ 42 Do Concur Interim study on procurement, no-bid contracts, and transparency on no-bid purchases | Yea | Pass 27–23 |
| 2025-04-30 | HJ 47 Do Concur Study resolution on local government entity cooperation | Yea | Pass 33–16 |
| 2025-04-30 | HJ 48 Do Concur Interim study on moving the date of the primary election | Nay | Pass 28–22 |
| 2025-04-30 | HJ 61 Do Concur Interim study on the property insurance market in Montana | Yea | Pass 38–12 |
| 2025-04-30 | HJ 55 Do Concur Study resolution on property management licensing and practice | Yea | Pass 34–16 |
| 2025-04-30 | HJ 62 Do Concur Study resolution on wildfire safety | Yea | Pass 34–16 |
| 2025-04-30 | SB 446 Do Adopt Revise laws related to healthcare utilization review | Yea | Pass 50–0 |
| 2025-04-30 | HB 513 Do Concur Revise laws related to use of name, voice, and likeness of individuals and penalties for unauthorized use | Yea | Pass 50–0 |
| 2025-04-30 | SB 524 Do Adopt Revise laws relating to category D assisted living facilities | Yea | Pass 45–5 |
| 2025-04-30 | SB 319 Do Adopt Generally revise health care laws related to doulas | Yea | Pass 28–22 |
| 2025-04-30 | HJ 50 Do Concur Interim study of uniform common interest ownership laws | Yea | Pass 31–19 |
| 2025-04-30 | HJ 26 Do Concur Study guardianships and conservatorships | Yea | Pass 29–21 |
| 2025-04-30 | SB 542 Do Adopt Generally revise property tax laws | Yea | Pass 28–22 |
| 2025-04-30 | SB 40 Do Adopt Revise supreme court public records laws by opening deliberations and files to the public | Nay | Pass 33–17 |
| 2025-04-30 | SB 324 ReconsAction -Flowers Revise vehicle registration fees and allocate revenue for bridges and victims of crime | Nay | Fail 25–25 |
| 2025-04-30 | HB 329 Do Adopt Make the Montana ammunition act permanent | Nay | Pass 41–9 |
| 2025-04-30 | HJ 60 Do Concur Interim study on the effects and regulation of kratom | Yea | Fail 24–26 |
| 2025-04-30 | HJ 52 Do Concur Interim study on the Montana cattle industry | Yea | Pass 36–14 |
| 2025-04-30 | HB 117 Do Adopt Establish criminal justice data warehouse priorities | Nay | Pass 45–5 |
| 2025-04-30 | HB 818 Do Adopt Ban foreign funding for ballot measures | Nay | Pass 37–13 |
| 2025-04-30 | HB 231 Do Adopt Revise property tax rates for certain property | Yea | Pass 28–22 |
| 2025-04-30 | HJ 51 Do Concur Request interim study on special education | Yea | Fail 25–25 |
| 2025-04-30 | HB 682 Do Adopt Generally revise laws regarding gender transition treatment | Nay | Pass 32–18 |
| 2025-04-30 | HJ 65 Do Concur Request interim study of DUI | Yea | Fail 24–26 |
| 2025-04-29 | HJ 23 Do Concur Interim study on youth court laws | Yea | Pass 34–16 |
| 2025-04-29 | HJ 45 Do Concur Interim study on the impact collateral consequences have on criminal record expungement | Yea | Pass 31–19 |
| 2025-04-29 | HJ 52 Do Concur Interim study on the Montana cattle industry | Yea | Pass 35–15 |
| 2025-04-29 | HJ 53 Do Concur Request an interim study on school safety | Yea | Pass 29–21 |
| 2025-04-29 | SJ 40 Do Pass Interim study on legislative branch procurement and leadership expenditures | Yea | Pass 43–7 |
| 2025-04-29 | HJ 62 Do Concur Study resolution on wildfire safety | Yea | Pass 28–22 |
| 2025-04-29 | HJ 50 Do Concur Interim study of uniform common interest ownership laws | Yea | Pass 27–21 |
| 2025-04-29 | HJ 48 Do Concur Interim study on moving the date of the primary election | Yea | Pass 31–19 |
| 2025-04-29 | HJ 26 Do Concur Study guardianships and conservatorships | Yea | Fail 24–26 |
| 2025-04-29 | HJ 71 Do Concur Study resolution of the impact of federal funding changes on DEQ | Yea | Fail 25–25 |
| 2025-04-29 | HB 682 Do Adopt Generally revise laws regarding gender transition treatment | Nay | Pass 44–6 |
| 2025-04-29 | SB 446 Do Adopt Revise laws related to healthcare utilization review | Yea | Pass 48–1 |
| 2025-04-29 | HJ 40 Do Concur Interim study on transferring fiscal note production from executive branch to legislative branch | Yea | Pass 37–13 |
| 2025-04-29 | HJ 56 Do Concur Study resolution of search and rescue services and funding | Yea | Pass 33–17 |
| 2025-04-29 | SB 93 Do Pass Revise income taxes related to retired military members | Yea | Pass 50–0 |
| 2025-04-29 | SB 472 Do Adopt Revise penalties for violations under 310 permit process | Nay | Pass 33–17 |
| 2025-04-29 | HB 271 Do Concur Provide that there is a limited executive privilege to the public records act | Nay | Pass 27–23 |
| 2025-04-29 | HJ 51 Do Concur Request interim study on special education | Yea | Pass 27–22 |
| 2025-04-29 | SB 536 Do Pass Revise contractor gross receipts tax | Yea | Pass 45–5 |
| 2025-04-29 | HJ 55 AMD-HJ0055.001.001 Hertz D/PASS Study resolution on property management licensing and practice | Nay | Fail 24–26 |
| 2025-04-29 | HJ 42 Do Concur Interim study on procurement, no-bid contracts, and transparency on no-bid purchases | Yea | Pass 29–21 |
| 2025-04-29 | HB 381 Do Concur Provide for educational credit for students volunteering in long term care, nursing home, home care, and child care settings | Yea | Pass 48–0 |
| 2025-04-29 | HJ 74 Do Concur Study resolution analyzing water re-use in the state | Yea | Pass 35–15 |
| 2025-04-29 | SB 319 Do Adopt Generally revise health care laws related to doulas | Yea | Pass 29–21 |
| 2025-04-29 | HB 117 Do Adopt Establish criminal justice data warehouse priorities | Yea | Pass 47–2 |
| 2025-04-29 | SB 424 Do Pass Revising the disabled veteran property tax assistance program | Yea | Pass 50–0 |