Sen. Mary Ann Dunwell

Sixth-session Democrat from Helena

Representing Senate District 42

East Helena and northeast Helena Valley

406-461-5358 • maryann.dunwell@legmt.gov

Committees •Bills •Key votes •Voting stats •2024 election margin •MTFP Coverage

Dunwell previously served in the Montana Senate in 2023, as well as the House in 2015, 2017, 2019 and 2021.

Montana Free Press coverage

📰 2025 Legislature

Raises for state workers and legislators pass initial Senate vote

Mar 19, 2025 • Eric Dietrich

Committee assignments

Senate Taxation

Senate Agriculture, Livestock and Irrigation

Senate Highways and Transportation - Vice-chair

Senate Legislative Administration

Bills sponsored

📋 SJ 38: Provide for study of property taxes Mary Ann Dunwell (D)📃 Bill text	✴️1st Cmte. ⚪️Senate ⚪️House
📋 SB 125: Revise laws related to community homes for people with developmental disabilities Mary Ann Dunwell (D)📃 Bill text 💵 Fiscal note	✅1st Cmte. ❌Senate ⚪️House ⚪️Gov.
📋 SB 126: Revise tenant moveout laws Mary Ann Dunwell (D)📃 Bill text	❌1st Cmte. ⚪️Senate ⚪️House ⚪️Gov.
📋 SB 139: Eliminate clergy exemption in mandatory reporting of child abuse and neglect Mary Ann Dunwell (D)📃 Bill text	❌1st Cmte. ⚪️Senate ⚪️House ⚪️Gov.
📋 SB 169: Revise intangible personal property exemption Mary Ann Dunwell (D)📃 Bill text 💵 Fiscal note	❌1st Cmte. ⚪️Senate ⚪️House ⚪️Gov.
📋 SB 189: Lower residential, commercial, and agricultural property tax rates Mary Ann Dunwell (D)📃 Bill text 💵 Fiscal note	❌1st Cmte. ⚪️Senate ⚪️House ⚪️Gov.
📋 SB 496: Providing a use policy for the executive residence when the governor has an alternate residence Mary Ann Dunwell (D)📃 Bill text	❌1st Cmte. ⚪️Senate ⚪️House ⚪️Gov.
📋 SB 512: Provide disclosure of certain corporate property tax settlements Mary Ann Dunwell (D)📃 Bill text	❌1st Cmte. ⚪️Senate ⚪️House ⚪️Gov.

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Floor vote statistics

Calculations based on 1,930 Senate floor votes in 2025 involving bills.

🥇 72%

of votes cast on winning side

Average for Senate Democrats is 78%.

🔴 62%

of votes cast on side taken by most Republicans

Average for Senate Democrats is 68%.

🔵 91%

of votes cast on side taken by most Democrats

Average for Senate Democrats is 93%.

Dunwell has been marked absent or excused for 0 votes. Average for Senate lawmakers is 21.0.

SD 42 election results

Last in-cycle for Senate election in 2022. House seats are elected every two years, Senate seats every four.

General election vote, 2022

Won by 11% (968 votes)

Party primary vote, 2022

Ran unopposed

Governor vote in district, 2024

Won by 13% (1,848 votes)

Senators elected in 2022 were assigned new districts during the 2023 redistricting cycle.

About the 2025 Montana Free Press Capitol Tracker

This guide is an effort to make the quantifiable aspects of the Montana Legislature more accessible to the public by compiling information about lawmakers, proposed bills and the legislative process. This is a project of Montana Free Press, a 501(c)(3) nonprofit newsroom that aims to provide Montanans with in-depth, nonpartisan news coverage.

The information presented here is collected from a variety of sources including the Montana Legislature's public roster and its official bill-tracking system. Reporting and web design were done by Jacob Olness and Eric Dietrich. Please contact them at jolness@montanafreepress.org and edietrich@montanafreepress.org with bug reports, questions or suggestions.

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2025 Capitol Tracker

The lawmakers, bills and votes of the 69th Montana Legislature