Montana State House District 66
Tue, Nov 3 · Represented by Eric Matthews Democratic · Member list as of Oct 28
No published poll names both candidates.Last result · 2024 general: Eric Matthews (D) 56.7, Marla Davis (R) 43.3
- Last election
- Eric Matthews (Democratic) won by 13.4 points, 2024
- On the 2026 ballot
- 2 candidates
Side by side
Left column: LangRight column: Matthews
- Donor-based spectrum
- LiberalCentristConservativeMatthewsNo published score for Lang
- Races
- None listed
- Won 2 of 2
- Years since first win
- Not available
- 4
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
- Owen LangRepublican
- Eric MatthewsIncumbentDemocratic
Party nominees only, not the certified ballot.
Source: candidatefiling.mt.gov, dated Oct 28
All State House districts
- Democratic
- Republican
- Independent
- Nonpartisan
- More than one party
- No member listed
Map settings
Vote in Montana
- Register
- Registration, polling place, sample ballot lookup, mail ballot status
- ID rules
- Election office
Trouble voting? Election Protection hotline: 866-OUR-VOTE. A nonpartisan coalition of civil-rights and voting-rights groups, not a government service. 866ourvote.org
History (26 elections for this seat)
- Votes for listed candidates
- 7,066
- Election day
- November 5, 2024
- District map
- Older district map (2022 to 2024)
Montana House of Representatives District 66, 1974 to 2024, 2024, every candidate Candidate Party Votes and share Share DemocraticEric MatthewsWon Democratic 4,00956.7% RepublicanMarla Davis Republican 3,05743.3% - Votes for listed candidates
- 3,739
- Election day
- November 8, 2022
- District map
- Older district map (2014 to 2022)
Montana House of Representatives District 66, 1974 to 2024, 2022, every candidate Candidate Party Votes and share Share DemocraticEric MatthewsWon Democratic 3,739100.0% - Votes for listed candidates
- 5,321
- Election day
- November 3, 2020
- District map
- Older district map (2014 to 2020)
Montana House of Representatives District 66, 1974 to 2024, 2020, every candidate Candidate Party Votes and share Share DemocraticDenise HaymanWon(incumbent) Democratic 5,321100.0% - Votes for listed candidates
- 4,382
- Election day
- November 6, 2018
- District map
- Older district map (2014 to 2018)
Montana House of Representatives District 66, 1974 to 2024, 2018, every candidate Candidate Party Votes and share Share DemocraticDenise HaymanWon(incumbent) Democratic 4,382100.0% - Votes for listed candidates
- 4,425
- Election day
- November 8, 2016
- District map
- Older district map (2014 to 2016)
Montana House of Representatives District 66, 1974 to 2024, 2016, every candidate Candidate Party Votes and share Share DemocraticDenise HaymanWon(incumbent) Democratic 4,425100.0% - Votes for listed candidates
- 3,390
- Election day
- November 4, 2014
- District map
- Older district map (2014)
Montana House of Representatives District 66, 1974 to 2024, 2014, every candidate Candidate Party Votes and share Share DemocraticDenise HaymanWon Democratic 2,18664.5% RepublicanEd Johnson Republican 1,20435.5% - Votes for listed candidates
- 4,768
- Election day
- November 6, 2012
- District map
- Older district map (2004 to 2013)
Montana House of Representatives District 66, 1974 to 2024, 2012, every candidate Candidate Party Votes and share Share DemocraticJennifer PomnichowskiWon Democratic 3,27068.6% RepublicanDave Ponte Republican 1,49831.4% - Votes for listed candidates
- 2,925
- Election day
- November 2, 2010
- District map
- Older district map (2004 to 2013)
Montana House of Representatives District 66, 1974 to 2024, 2010, every candidate Candidate Party Votes and share Share DemocraticMike PhillipsWon(incumbent) Democratic 1,74759.7% RepublicanJedediah Hinkle Republican 1,17840.3% - Votes for listed candidates
- 5,031
- Election day
- November 4, 2008
- District map
- Older district map (2004 to 2013)
Montana House of Representatives District 66, 1974 to 2024, 2008, every candidate Candidate Party Votes and share Share DemocraticMike PhillipsWon(incumbent) Democratic 3,42368.0% RepublicanJohn Milanovich Republican 1,60832.0% - Votes for listed candidates
- 3,712
- Election day
- November 7, 2006
- District map
- Older district map (2004 to 2013)
Montana House of Representatives District 66, 1974 to 2024, 2006, every candidate Candidate Party Votes and share Share DemocraticMike PhillipsWon Democratic 2,44365.8% RepublicanGordon Vance Republican 1,26934.2% - Votes for listed candidates
- 4,390
- Election day
- November 2, 2004
- District map
- Older district map (2004 to 2013)
Montana House of Representatives District 66, 1974 to 2024, 2004, every candidate Candidate Party Votes and share Share DemocraticChristopher Kirk HarrisWon(incumbent) Democratic 2,78363.4% OtherMark D. DeGroot Other 1,60736.6% - Votes for listed candidates
- 2,441
- Election day
- November 5, 2002
- District map
- Older district map (1994 to 2003)
Montana House of Representatives District 66, 1974 to 2024, 2002, every candidate Candidate Party Votes and share Share DemocraticGail GutscheWon(incumbent) Democratic 2,07284.9% OtherJohn Jenkins Other 36915.1% - Votes for listed candidates
- 3,506
- Election day
- November 7, 2000
- District map
- Older district map (1994 to 2003)
Montana House of Representatives District 66, 1974 to 2024, 2000, every candidate Candidate Party Votes and share Share DemocraticGail GutscheWon(incumbent) Democratic 2,80880.1% OtherKandi Matthewjenkins Other 69819.9% - Votes for listed candidates
- 2,588
- Election day
- November 3, 1998
- District map
- Older district map (1994 to 2003)
Montana House of Representatives District 66, 1974 to 2024, 1998, every candidate Candidate Party Votes and share Share DemocraticGail GutscheWon Democratic 1,96676.0% RepublicanJon Williams Republican 62224.0% - Votes for listed candidates
- 3,131
- Election day
- November 5, 1996
- District map
- Older district map (1994 to 2003)
Montana House of Representatives District 66, 1974 to 2024, 1996, every candidate Candidate Party Votes and share Share DemocraticDiane SandsWon Democratic 3,131100.0% - Votes for listed candidates
- 2,963
- Election day
- November 8, 1994
- District map
- Older district map (1994 to 2003)
Montana House of Representatives District 66, 1974 to 2024, 1994, every candidate Candidate Party Votes and share Share DemocraticMike KadasWon(incumbent) Democratic 2,14972.5% RepublicanBradley B. Aipperspach Republican 81427.5% - Votes for listed candidates
- 2,567
- Election day
- November 3, 1992
- District map
- Older district map (1984 to 1993)
Montana House of Representatives District 66, 1974 to 2024, 1992, every candidate Candidate Party Votes and share Share DemocraticBea McCarthyWon(incumbent) Democratic 2,567100.0% - Votes for listed candidates
- 2,855
- Election day
- November 6, 1990
- District map
- Older district map (1984 to 1993)
Montana House of Representatives District 66, 1974 to 2024, 1990, every candidate Candidate Party Votes and share Share DemocraticBea McCarthyWon Democratic 1,57955.3% RepublicanDick Hafer Republican 1,27644.7% - Votes for listed candidates
- 3,116
- Election day
- November 8, 1988
- District map
- Older district map (1984 to 1993)
Montana House of Representatives District 66, 1974 to 2024, 1988, every candidate Candidate Party Votes and share Share DemocraticRobert BlotkampWon Democratic 1,61851.9% RepublicanLorraine Gillies Republican 1,49848.1% - Votes for listed candidates
- 3,074
- Election day
- November 4, 1986
- District map
- Older district map (1984 to 1993)
Montana House of Representatives District 66, 1974 to 2024, 1986, every candidate Candidate Party Votes and share Share DemocraticNancy KeenanWon(incumbent) Democratic 1,76757.5% RepublicanLorraine Gillies Republican 1,30742.5% - Votes for listed candidates
- 3,243
- Election day
- November 6, 1984
- District map
- Older district map (1984 to 1993)
Montana House of Representatives District 66, 1974 to 2024, 1984, every candidate Candidate Party Votes and share Share DemocraticNancy KeenanWon(incumbent) Democratic 2,06763.7% RepublicanJohn W. McDonald Republican 1,17636.3% - Votes for listed candidates
- 2,572
- Election day
- November 2, 1982
- District map
- Older district map (1974 to 1983)
Montana House of Representatives District 66, 1974 to 2024, 1982, every candidate Candidate Party Votes and share Share DemocraticJames D. JensenWon Democratic 1,46557.0% RepublicanTillie Pierce Republican 1,10743.0% - Votes for listed candidates
- 3,102
- Election day
- November 4, 1980
- District map
- Older district map (1974 to 1983)
Montana House of Representatives District 66, 1974 to 2024, 1980, every candidate Candidate Party Votes and share Share DemocraticGerald R. KesslerWon(incumbent) Democratic 1,58050.9% RepublicanCrisman Erekson Republican 1,52249.1% - Votes for listed candidates
- 2,618
- Election day
- November 7, 1978
- District map
- Older district map (1974 to 1983)
Montana House of Representatives District 66, 1974 to 2024, 1978, every candidate Candidate Party Votes and share Share DemocraticGerald R. KesslerWon(incumbent) Democratic 1,44555.2% RepublicanAb Guthrie Republican 1,17344.8% - Votes for listed candidates
- 3,180
- Election day
- November 2, 1976
- District map
- Older district map (1974 to 1983)
Montana House of Representatives District 66, 1974 to 2024, 1976, every candidate Candidate Party Votes and share Share DemocraticGerald R. KesslerWon Democratic 1,62551.1% RepublicanAb Guthrie(incumbent) Republican 1,55548.9% - Votes for listed candidates
- 2,295
- Election day
- November 4, 1974
- District map
- Older district map (1974 to 1983)
Montana House of Representatives District 66, 1974 to 2024, 1974, every candidate Candidate Party Votes and share Share RepublicanAb GuthrieWon Republican 1,27455.5% DemocraticDon Scanlin Democratic 1,02144.5%
- 2024: MEDSL 2024 official precinct returns (individual_states zips), retrieved Oct 28, 2026. Compiled by MIT Election Data and Science Lab (MEDSL) from official returns; not an official source
- 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: 2024.
Download and cite
Cite this page
Election Wrld. (2026). Montana State House District 66, election results 1974 to 2024. https://www.electionwrld.com/mt/house/66. Retrieved October 31, 2026.
Embed this seat
<iframe src="https://www.electionwrld.com/embed/mt/house/66" title="Montana House of Representatives District 66" 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; MEDSL 2024 official precinct returns (individual_states zips) (Not stated in the GitHub repository (an earlier label said "MIT (repo)", which the repository does not support). MEDSL's Harvard Dataverse records are CC0 1.0, but these GitHub files were not checksum-matched to the Dataverse files, so CC0 is not claimed for them.), retrieved Oct 28, 2026, compiled by MIT Election Data and Science Lab (MEDSL) 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/sldl:66
DataState data (JSON)Sources: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), DIME (ODC-BY), MEDSL 2024 official precinct returnsData as of Oct 28, 2026