Montana State Senate District 25
Tue, Nov 3 · Represented by Dennis Lenz Republican · Member list as of Oct 28
District lines changed after the last result we have. That result isn't shown.
- Last result, older lines
- Jen Gross (Democratic) won by 2.9 points, 2020
More about this race
Party nominees only, not the certified ballot.
Source: candidatefiling.mt.gov, dated Oct 28
District map
- Democratic
- Republican
- Independent
- Nonpartisan
- More than one party
- No member listed
Map settings
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History (13 elections for this seat)
We don’t have results for the current lines.
Our source for older results, Carl Klarner’s State Legislative Election Returns, ends in 2022. The rows under History are from the older district with this number, which covered different territory.
- Votes for listed candidates
- 8,058
- Election day
- November 3, 2020
- District map
- Older district map (2014 to 2023)
Montana Senate District 25, 1970 to 2020, 2020, every candidate Candidate Party Votes and share Share DemocraticJen GrossWon(incumbent) Democratic 4,14651.5% RepublicanScott Price Republican 3,91248.5% - Votes for listed candidates
- 7,086
- Election day
- November 8, 2016
- District map
- Older district map (2014 to 2023)
Montana Senate District 25, 1970 to 2020, 2016, every candidate Candidate Party Votes and share Share DemocraticJen GrossWon Democratic 3,59150.7% RepublicanDonna Huston Republican 3,49549.3% - Votes for listed candidates
- 6,210
- Election day
- November 2, 2010
- District map
- Older district map (2004 to 2013)
Montana Senate District 25, 1970 to 2020, 2010, every candidate Candidate Party Votes and share Share DemocraticKendall Van DykWon Democratic 3,10950.1% RepublicanRoy Brown(incumbent) Republican 3,10149.9% - Votes for listed candidates
- 7,216
- Election day
- November 7, 2006
- District map
- Older district map (2004 to 2013)
Montana Senate District 25, 1970 to 2020, 2006, every candidate Candidate Party Votes and share Share RepublicanRoy BrownWon Republican 3,67751.0% DemocraticMargaret E. MacDonald Democratic 3,53949.0% - Votes for listed candidates
- 7,636
- Election day
- November 7, 2000
- District map
- Older district map (1994 to 2003)
Montana Senate District 25, 1970 to 2020, 2000, every candidate Candidate Party Votes and share Share RepublicanJohn CobbWon Republican 7,636100.0% - Votes for listed candidates
- 7,296
- Election day
- November 5, 1996
- District map
- Older district map (1994 to 2003)
Montana Senate District 25, 1970 to 2020, 1996, every candidate Candidate Party Votes and share Share RepublicanKenneth MesarosWon(incumbent) Republican 7,296100.0% - Votes for listed candidates
- 9,838
- Election day
- November 3, 1992
- District map
- Older district map (1984 to 1993)
Montana Senate District 25, 1970 to 2020, 1992, every candidate Candidate Party Votes and share Share RepublicanEthel M. HardingWon(incumbent) Republican 5,89359.9% DemocraticMaryetta Bauer Democratic 3,94540.1% - Votes for listed candidates
- 8,383
- Election day
- November 8, 1988
- District map
- Older district map (1984 to 1993)
Montana Senate District 25, 1970 to 2020, 1988, every candidate Candidate Party Votes and share Share RepublicanEthel M. HardingWon(incumbent) Republican 5,48065.4% DemocraticPolly A. Walker Democratic 2,90334.6% - Votes for listed candidates
- 8,372
- Election day
- November 6, 1984
- District map
- Older district map (1984 to 1993)
Montana Senate District 25, 1970 to 2020, 1984, every candidate Candidate Party Votes and share Share RepublicanEthel M. HardingWon Republican 5,54966.3% DemocraticScott A. Walker Democratic 2,82333.7% - Votes for listed candidates
- 7,756
- Election day
- November 2, 1982
- District map
- Older district map (1974 to 1983)
Montana Senate District 25, 1970 to 2020, 1982, every candidate Candidate Party Votes and share Share DemocraticDave ManningWon(incumbent) Democratic 4,61659.5% RepublicanJohn Rabenberg Republican 3,14040.5% - Votes for listed candidates
- 6,373
- Election day
- November 7, 1978
- District map
- Older district map (1974 to 1983)
Montana Senate District 25, 1970 to 2020, 1978, every candidate Candidate Party Votes and share Share DemocraticDave ManningWon(incumbent) Democratic 3,20750.3% RepublicanGary L. Gershmel Republican 3,16649.7% - Votes for listed candidates
- 5,703
- Election day
- November 4, 1974
- District map
- Older district map (1974 to 1983)
Montana Senate District 25, 1970 to 2020, 1974, every candidate Candidate Party Votes and share Share DemocraticDave ManningWon(incumbent) Democratic 3,56662.5% RepublicanJohn Rabenberg Republican 2,13737.5% - Votes for listed candidates
- 5,653
- Election day
- November 3, 1970
- District map
- Older district map (1966 to 1971)
Montana Senate District 25, 1970 to 2020, 1970, every candidate Candidate Party Votes and share Share DemocraticW. A. GroffWon(incumbent) Democratic 3,19156.5% RepublicanJack K. Ward Republican 2,46243.5%
1970 to 2020: 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
Only part of this chamber is up in a given cycle. Which districts vote on which date is not on file. Last contest in this district on file: 2020.
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Cite this page
Election Wrld. (2026). Montana State Senate District 25, election results 1970 to 2020. https://www.electionwrld.com/mt/senate/25. Retrieved October 31, 2026.
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<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.
DataState data (JSON)Sources: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse)Data as of Oct 28, 2026