Montana Senate District 42
Tue, Nov 3 · Represented by Mary Ann Dunwell Democratic · Member list as of Oct 28
No published poll names both candidates.Last result · 2022 general: Mary Ann Dunwell (D) 55.3, Matt Olson (R) 44.7
- Last election
- Mary Ann Dunwell (Democratic) won by 10.6 points, 2022
- On the 2026 ballot
- 2 candidates
Side by side
Left column: DunwellRight column: Lapraim
- Donor-based spectrum
- LiberalCentristConservativeDunwellNo published score for Lapraim
- Races won and lost
- 4-1
- None on file
- Years since first win on file
- 4
- Not available
How these are counted
The spectrum is a published research score, not our rating. How this works. Wins and losses count the races in our results files, the same as each profile.
More about this race
Candidates on the ballot
- Mary Ann DunwellIncumbentDemocratic
- Stephen LapraimRepublican
Party nominees only, not the certified ballot.
Source: candidatefiling.mt.gov, dated Oct 28
All Senate districts
- Democratic
- Republican
- Independent
- Nonpartisan
- More than one party
- No member on file
List every Senate district (50)
- State Senate District 1· Mike Cuffe
- State Senate District 2· Dave Fern
- State Senate District 3· Carl Glimm
- State Senate District 4· John Fuller
- State Senate District 5· Matt Regier
- State Senate District 6· Mark Noland
- State Senate District 7· Greg Hertz
- State Senate District 8· Susan Webber
- State Senate District 9· Butch Gillespie
- State Senate District 10· Jeremy Trebas
- State Senate District 11· Daniel Emrich
- State Senate District 12· Wendy McKamey
- State Senate District 13· Josh Kassmier
- State Senate District 14· Russel Tempel
- State Senate District 15· Gregg Hunter
- State Senate District 16· Jonathan Windy Boy
- State Senate District 17· Bob Phalen
- State Senate District 18· Ken Bogner
- State Senate District 19· Barry Usher
- State Senate District 20· Sue Vinton
- State Senate District 21· Gayle Lammers
- State Senate District 22· Daniel Zolnikov
- State Senate District 23· Emma Kerr-Carpenter
- State Senate District 24· Mike Yakawich
- State Senate District 25· Dennis Lenz
- State Senate District 26· Tom McGillvray
- State Senate District 27· Vince Ricci
- State Senate District 28· Forrest Mandeville
- State Senate District 29· John Esp
- State Senate District 30· Cora Neumann
- State Senate District 31· Pat Flowers
- State Senate District 32· Denise Hayman
- State Senate District 33· Chris Pope
- State Senate District 34· Shelley Vance
- State Senate District 35· Tony Tezak
- State Senate District 36· Sara Novak
- State Senate District 37· Derek Harvey
- State Senate District 38· Becky Beard
- State Senate District 39· Wylie Galt
- State Senate District 40· Laura Smith
- State Senate District 41· Janet Ellis
- State Senate District 42· Mary Ann Dunwell
- State Senate District 43· Jason Ellsworth
- State Senate District 44· Theresa Manzella
- State Senate District 45· Denley Loge
- State Senate District 46· Jacinda Morigeau
- State Senate District 47· Ellie Boldman
- State Senate District 48· Andrea Olsen
- State Senate District 49· Willis Curdy
- State Senate District 50· Shane Morigeau
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History (13 elections for this seat)
- Votes for listed candidates
- 9,174
- Election day
- November 8, 2022
- District map
- Older district map (2014 to 2022)
Montana Senate District 42, 1974 to 2022, 2022, every candidate Candidate Party Votes and share Share DemocraticMary Ann DunwellWon Democratic 5,07155.3% RepublicanMatt Olson Republican 4,10344.7% - Votes for listed candidates
- 9,736
- Election day
- November 6, 2018
- District map
- Older district map (2014 to 2018)
Montana Senate District 42, 1974 to 2022, 2018, every candidate Candidate Party Votes and share Share DemocraticJill CohenourWon(incumbent) Democratic 5,55657.1% RepublicanBob Leach Republican 4,18042.9% - Votes for listed candidates
- 7,479
- Election day
- November 4, 2014
- District map
- Older district map (2014)
Montana Senate District 42, 1974 to 2022, 2014, every candidate Candidate Party Votes and share Share DemocraticJill CohenourWon Democratic 4,02853.9% RepublicanJoe Dooling Republican 3,45146.1% - Votes for listed candidates
- 7,361
- Election day
- November 2, 2010
- District map
- Older district map (2004 to 2013)
Montana Senate District 42, 1974 to 2022, 2010, every candidate Candidate Party Votes and share Share RepublicanDave LewisWon(incumbent) Republican 7,361100.0% - Votes for listed candidates
- 8,349
- Election day
- November 7, 2006
- District map
- Older district map (2004 to 2013)
Montana Senate District 42, 1974 to 2022, 2006, every candidate Candidate Party Votes and share Share RepublicanDave LewisWon Republican 5,73268.7% DemocraticKenneth Frank DeBoer Democratic 2,61731.4% - Votes for listed candidates
- 6,003
- Election day
- November 7, 2000
- District map
- Older district map (1994 to 2003)
Montana Senate District 42, 1974 to 2022, 2000, every candidate Candidate Party Votes and share Share RepublicanJerry OneilWon Republican 6,003100.0% - Votes for listed candidates
- 6,937
- Election day
- November 5, 1996
- District map
- Older district map (1994 to 2003)
Montana Senate District 42, 1974 to 2022, 1996, every candidate Candidate Party Votes and share Share RepublicanJohn G. HarpWon(incumbent) Republican 6,937100.0% - Votes for listed candidates
- 7,885
- Election day
- November 6, 1990
- District map
- Older district map (1984 to 1993)
Montana Senate District 42, 1974 to 2022, 1990, every candidate Candidate Party Votes and share Share RepublicanJames H. BurnettWon Republican 3,96550.3% DemocraticAmos C. Clark Democratic 3,92049.7% - Votes for listed candidates
- 8,350
- Election day
- November 4, 1986
- District map
- Older district map (1984 to 1993)
Montana Senate District 42, 1974 to 2022, 1986, every candidate Candidate Party Votes and share Share RepublicanHarry H. McLaneWon Republican 4,43853.1% DemocraticJake Frank Democratic 3,91246.9% - Votes for listed candidates
- 5,229
- Election day
- November 2, 1982
- Type
- Special election
- District map
- Older district map (1974 to 1983)
Montana Senate District 42, 1974 to 2022, 1982, every candidate Candidate Party Votes and share Share DemocraticJudy H. JacobsonWon Democratic 5,229100.0% - Votes for listed candidates
- 5,073
- Election day
- November 4, 1980
- District map
- Older district map (1974 to 1983)
Montana Senate District 42, 1974 to 2022, 1980, every candidate Candidate Party Votes and share Share DemocraticRobert PetersonWon(incumbent) Democratic 5,073100.0% - Votes for listed candidates
- 4,824
- Election day
- November 2, 1976
- District map
- Older district map (1974 to 1983)
Montana Senate District 42, 1974 to 2022, 1976, every candidate Candidate Party Votes and share Share DemocraticBob PetersonWon Democratic 4,824100.0% - Votes for listed candidates
- 3,886
- Election day
- November 4, 1974
- District map
- Older district map (1974 to 1983)
Montana Senate District 42, 1974 to 2022, 1974, every candidate Candidate Party Votes and share Share DemocraticNeil J. LynchWon(incumbent) Democratic 3,886100.0%
1974 to 2022: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), retrieved Oct 28, 2026. Compiled by Carl Klarner (Harvard Dataverse) from official returns; not an official source
Last contest in this district on file: 2022.
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Cite this page
Election Wrld. (2026). Montana Senate District 42, election results 1974 to 2022. https://www.electionwrld.com/mt/senate/42. Retrieved October 30, 2026.
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<iframe src="https://www.electionwrld.com/embed/mt/senate/42" title="Montana Senate District 42" width="100%" height="400" style="border:0;max-width:640px" loading="lazy"></iframe>
<p style="font-size:13px">Data: <a href="https://www.electionwrld.com">Election Wrld</a>, CC BY 4.0</p>Sources
Sources: Census TIGERweb Legislative MapServer (120th CDs layer 0, 119th CDs layer 4, 2026 SLD upper layer 1 and lower layer 2) (US Census Bureau, public domain), retrieved Oct 28, 2026; Open Civic Data division identifiers (census_autogenerated us_sldl/us_sldu and openstates state files); also (sld-recent.json): Open Civic Data division identifiers (country-us) (CC0 (repository); also (sld-recent.json): CC0 1.0), retrieved Oct 28, 2026; Open States people (current) CSVs (CC0-1.0 (Open States people data)), retrieved Oct 28, 2026, compiled by Open States volunteers and staff (rosters from state legislature sites) from official returns, not an official source; State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse) (CC0 1.0), retrieved Oct 28, 2026, compiled by Carl Klarner (Harvard Dataverse) from official returns, not an official source.
District id: ocd-division/country:us/state:mt/sldu:42
DataState data (JSON)Sources: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), DIME (ODC-BY)Data as of Oct 28, 2026