Utah State Senate District 9

Tue, Nov 3 · Represented by Jen Plumb Democratic · Member list as of Oct 28

Thaddeus A EvansRepublican

Last result · 2022 general: Jen Plumb (D) 99.4, Vance Hansen (O) 0.6

Jen PlumbDemocratic · Incumbent4 years since first win

Show all 3 candidates on the ballot

Showing major-party nominees, incumbents and candidates with 5%+ in the latest poll or comparable fundraising.

Thaddeus A EvansRepublican
Jen PlumbIncumbentDemocratic
J. Lowry SnowOther(Forward)

Earlier results: Kirk A. Cullimore Jr. (Republican) won by 31.4 points, 2018, older linesWayne Niederhauser (Republican) won by 22.8 points, 2014, older linesAll 15 elections

Side by side

Left column: EvansRight column: Plumb

Donor-based spectrum: LiberalCentristConservativePlumbNo published score for Evans

How these are counted

The spectrum is a published research score, not our rating. How this works.

Past results

Utah Senate District 9, 1970 to 2022, 2022, every candidate
Candidate	Party	Votes and share	Share
DemocraticJen PlumbWon	Democratic	32,81799.4%	99.4%
Vance Hansen	Write-in	2130.6%	0.6%

Votes for listed candidates: 37,430
Election day: November 6, 2018
District map: Older district map (2012 to 2021)

Utah Senate District 9, 1970 to 2022, 2018, every candidate
Candidate	Party	Votes and share	Share
RepublicanKirk A. Cullimore Jr.Won	Republican	24,41065.2%	65.2%
OtherAlexander Castagno	Other	12,63933.8%	33.8%
Monica Zoltanski	Write-in	3811.0%	1.0%

Votes for listed candidates: 25,765
Election day: November 4, 2014
District map: Older district map (2012 to 2021)

Utah Senate District 9, 1970 to 2022, 2014, every candidate
Candidate	Party	Votes and share	Share
RepublicanWayne NiederhauserWon(incumbent)	Republican	15,82261.4%	61.4%
DemocraticKathryn C. Gustafson	Democratic	9,94338.6%	38.6%

Votes for listed candidates: 25,641
Election day: November 2, 2010
District map: Older district map (2002 to 2011)

Utah Senate District 9, 1970 to 2022, 2010, every candidate
Candidate	Party	Votes and share	Share
RepublicanWayne NiederhauserWon(incumbent)	Republican	17,24367.3%	67.3%
DemocraticTyler Ayres	Democratic	8,39832.8%	32.8%

1970 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

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: 2022.

All elections (15 for this seat)

Utah Senate District 9, 1970 to 2022, 2022, every candidate
Candidate	Party	Votes and share	Share
DemocraticJen PlumbWon	Democratic	32,81799.4%	99.4%
Vance Hansen	Write-in	2130.6%	0.6%

Votes for listed candidates: 37,430
Election day: November 6, 2018
District map: Older district map (2012 to 2021)

Utah Senate District 9, 1970 to 2022, 2018, every candidate
Candidate	Party	Votes and share	Share
RepublicanKirk A. Cullimore Jr.Won	Republican	24,41065.2%	65.2%
OtherAlexander Castagno	Other	12,63933.8%	33.8%
Monica Zoltanski	Write-in	3811.0%	1.0%

Votes for listed candidates: 25,765
Election day: November 4, 2014
District map: Older district map (2012 to 2021)

Utah Senate District 9, 1970 to 2022, 2014, every candidate
Candidate	Party	Votes and share	Share
RepublicanWayne NiederhauserWon(incumbent)	Republican	15,82261.4%	61.4%
DemocraticKathryn C. Gustafson	Democratic	9,94338.6%	38.6%

Votes for listed candidates: 25,641
Election day: November 2, 2010
District map: Older district map (2002 to 2011)

Utah Senate District 9, 1970 to 2022, 2010, every candidate
Candidate	Party	Votes and share	Share
RepublicanWayne NiederhauserWon(incumbent)	Republican	17,24367.3%	67.3%
DemocraticTyler Ayres	Democratic	8,39832.8%	32.8%

Votes for listed candidates: 22,445
Election day: November 7, 2006
District map: Older district map (2002 to 2011)

Utah Senate District 9, 1970 to 2022, 2006, every candidate
Candidate	Party	Votes and share	Share
RepublicanWayne NiederhauserWon	Republican	11,74952.4%	52.4%
DemocraticTrisha S. Beck	Democratic	10,69647.6%	47.6%

Votes for listed candidates: 20,059
Election day: November 5, 2002
District map: Older district map (2002 to 2011)

Utah Senate District 9, 1970 to 2022, 2002, every candidate
Candidate	Party	Votes and share	Share
RepublicanL. Alma MansellWon(incumbent)	Republican	16,08680.2%	80.2%
LibertarianCharles A. Bonsall	Libertarian	3,97319.8%	19.8%

Votes for listed candidates: 22,329
Election day: November 3, 1998
District map: Older district map (1992 to 2001)

Utah Senate District 9, 1970 to 2022, 1998, every candidate
Candidate	Party	Votes and share	Share
RepublicanSteven PoultonWon(incumbent)	Republican	11,62952.1%	52.1%
DemocraticSteven B. Wall	Democratic	10,37846.5%	46.5%
OtherDusty Swain	Other	3221.4%	1.4%

Utah Senate District 9, 1970 to 2022, 1994, every candidate
Candidate	Party	Votes and share	Share
RepublicanSteven PoultonWon	Republican	14,18958.6%	58.6%
DemocraticScott Leckman	Democratic	10,02441.4%	41.4%

Utah Senate District 9, 1970 to 2022, 1990, every candidate
Candidate	Party	Votes and share	Share
RepublicanDelpha BairdWon	Republican	8,36151.3%	51.3%
DemocraticJohn Dwan	Democratic	7,94248.7%	48.7%

Utah Senate District 9, 1970 to 2022, 1986, every candidate
Candidate	Party	Votes and share	Share
RepublicanLorin PaceWon	Republican	8,33453.9%	53.9%
DemocraticRonald J. Swensen	Democratic	7,12746.1%	46.1%

Votes for listed candidates: 19,853
Election day: November 2, 1982
District map: Older district map (1982 to 1991)

Utah Senate District 9, 1970 to 2022, 1982, every candidate
Candidate	Party	Votes and share	Share
RepublicanWarren E. PughWon(incumbent)	Republican	12,79764.5%	64.5%
DemocraticMarie Tibbit	Democratic	7,05635.5%	35.5%

Votes for listed candidates: 13,448
Election day: November 7, 1978
District map: Older district map (1972 to 1981)

Utah Senate District 9, 1970 to 2022, 1978, every candidate
Candidate	Party	Votes and share	Share
RepublicanWarren E. PughWon(incumbent)	Republican	10,01174.4%	74.4%
DemocraticNorman Wharton	Democratic	3,36425.0%	25.0%
OtherArlin Potter	Other	730.5%	0.5%

Votes for listed candidates: 15,881
Election day: November 4, 1974
District map: Older district map (1972 to 1981)

Utah Senate District 9, 1970 to 2022, 1974, every candidate
Candidate	Party	Votes and share	Share
RepublicanWarren E. PughWon(incumbent)	Republican	10,54366.4%	66.4%
DemocraticHenry C. Engh	Democratic	5,33833.6%	33.6%

Votes for listed candidates: 17,836
Election day: November 7, 1972
District map: Older district map (1972 to 1981)

Utah Senate District 9, 1970 to 2022, 1972, every candidate
Candidate	Party	Votes and share	Share
RepublicanWarren E. PughWon(incumbent)	Republican	12,46069.9%	69.9%
DemocraticBeverly C. Saathoff	Democratic	5,37630.1%	30.1%

Votes for listed candidates: 13,412
Election day: November 3, 1970
District map: Older district map (1966 to 1971)

Utah Senate District 9, 1970 to 2022, 1970, every candidate
Candidate	Party	Votes and share	Share
DemocraticM. James McFarlaneWon	Democratic	7,71557.5%	57.5%
RepublicanC. Bailey Sainsbury	Republican	5,69742.5%	42.5%

More about this race

Candidates on the ballot

Thaddeus A EvansRepublican
Jen PlumbIncumbentDemocratic
J. Lowry SnowOther(Forward)

Source: utah.gov (PDF), dated Sep 21

District map

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Official results for Utah

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Election Wrld. (2026). Utah State Senate District 9, election results 1970 to 2022. https://www.electionwrld.com/ut/senate/9. Retrieved October 31, 2026.

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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), DIME (ODC-BY)Data as of Oct 28, 2026