Wisconsin Senate District 31

Tue, Nov 3 · Represented by Jeff Smith Democratic · Member list as of Oct 28

Michele Magadance SkinnerRepublican

No published poll names both candidates.Last result · 2022 general: Jeff Smith (D) 50.4, David Estenson (R) 49.5

Jeff SmithDemocratic · Incumbent8 years since first win on file

Last election: Jeff Smith (Democratic) won by 0.9 points, 2022
On the 2026 ballot: 2 candidates

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Left column: SkinnerRight column: Smith

Donor-based spectrum: LiberalCentristConservativeSmithNo published score for Skinner
Races won and lost: None on file; 4-4
Years since first win on file: Not available; 8

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

Jeff SmithIncumbentDemocratic
Michele Magadance SkinnerRepublican

Source: elections.wi.gov, dated Oct 6

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List every Senate district (33)

State Senate District 1· André Jacque
State Senate District 2· Eric Wimberger
State Senate District 3· Tim Carpenter
State Senate District 4· Dora Drake
State Senate District 5· Rob Hutton
State Senate District 6· LaTonya Johnson
State Senate District 7· Chris Larson
State Senate District 8· Jodi Habush Sinykin
State Senate District 9· Devin LeMahieu
State Senate District 10· Rob Stafsholt
State Senate District 11· Steve Nass
State Senate District 12· Mary Felzkowski
State Senate District 13· John Jagler
State Senate District 14· Sarah Keyeski
State Senate District 15· Mark Spreitzer
State Senate District 16· Melissa Ratcliff
State Senate District 17· Howard Marklein
State Senate District 18· Kristin Dassler-Alfheim
State Senate District 19· Rachael Cabral-Guevara
State Senate District 20· Dan Feyen
State Senate District 21· Van Wanggaard
State Senate District 22· Bob Wirch
State Senate District 23· Jesse James
State Senate District 24· Patrick Testin
State Senate District 25· Romaine Quinn
State Senate District 26· Kelda Roys
State Senate District 27· Dianne Hesselbein
State Senate District 28· Julian Bradley
State Senate District 29· Cory Tomczyk
State Senate District 30· Jamie Wall
State Senate District 31· Jeff Smith
State Senate District 32· Brad Pfaff
State Senate District 33· Chris Kapenga

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Official results for Wisconsin

History (14 elections for this seat)

Votes for listed candidates: 77,223
Election day: November 8, 2022
District map: Older district map (2022)

Wisconsin Senate District 31, 1970 to 2022, 2022, every candidate
Candidate	Party	Votes and share	Share
DemocraticJeff SmithWon(incumbent)	Democratic	38,93650.4%	50.4%
RepublicanDavid Estenson	Republican	38,23949.5%	49.5%
Scattered write-ins	Write-in	480.1%	0.1%

Votes for listed candidates: 77,561
Election day: November 6, 2018
District map: Older district map (2012 to 2021)

Wisconsin Senate District 31, 1970 to 2022, 2018, every candidate
Candidate	Party	Votes and share	Share
DemocraticJeff SmithWon	Democratic	40,07351.7%	51.7%
RepublicanMel Pittman	Republican	35,68446.0%	46.0%
IndependentAaron Elaine Camacho	Independent	1,7762.3%	2.3%
Scattered write-ins	Write-in	280.0%	0.0%

Votes for listed candidates: 67,863
Election day: November 4, 2014
District map: Older district map (2012 to 2021)

Wisconsin Senate District 31, 1970 to 2022, 2014, every candidate
Candidate	Party	Votes and share	Share
DemocraticKathleen VinehoutWon(incumbent)	Democratic	35,50852.3%	52.3%
RepublicanMel Pittman	Republican	32,31747.6%	47.6%
Scattered write-ins	Write-in	380.1%	0.1%

Votes for listed candidates: 60,298
Election day: November 2, 2010
District map: Older district map (2002 to 2011)

Wisconsin Senate District 31, 1970 to 2022, 2010, every candidate
Candidate	Party	Votes and share	Share
DemocraticKathleen VinehoutWon(incumbent)	Democratic	30,31450.3%	50.3%
RepublicanEd Thompson	Republican	29,91149.6%	49.6%
Scattered write-ins	Write-in	730.1%	0.1%

Votes for listed candidates: 61,785
Election day: November 7, 2006
District map: Older district map (2002 to 2011)

Wisconsin Senate District 31, 1970 to 2022, 2006, every candidate
Candidate	Party	Votes and share	Share
DemocraticKathleen VinehoutWon	Democratic	31,89551.6%	51.6%
RepublicanRon Brown(incumbent)	Republican	29,89048.4%	48.4%

Votes for listed candidates: 54,266
Election day: November 5, 2002
District map: Older district map (2002 to 2011)

Wisconsin Senate District 31, 1970 to 2022, 2002, every candidate
Candidate	Party	Votes and share	Share
RepublicanRon BrownWon	Republican	27,40250.5%	50.5%
DemocraticRodney C. Moen(incumbent)	Democratic	26,86449.5%	49.5%

Votes for listed candidates: 51,106
Election day: November 3, 1998
District map: Older district map (1992 to 2001)

Wisconsin Senate District 31, 1970 to 2022, 1998, every candidate
Candidate	Party	Votes and share	Share
DemocraticRodney C. MoenWon(incumbent)	Democratic	34,75268.0%	68.0%
RepublicanGary Klinker	Republican	16,35432.0%	32.0%

Votes for listed candidates: 45,996
Election day: November 8, 1994
District map: Older district map (1992 to 2001)

Wisconsin Senate District 31, 1970 to 2022, 1994, every candidate
Candidate	Party	Votes and share	Share
DemocraticRodney C. MoenWon(incumbent)	Democratic	24,47753.2%	53.2%
RepublicanJames A. Hellman	Republican	21,51946.8%	46.8%

Votes for listed candidates: 43,165
Election day: November 6, 1990
District map: Older district map (1984 to 1991)

Wisconsin Senate District 31, 1970 to 2022, 1990, every candidate
Candidate	Party	Votes and share	Share
DemocraticRodney C. MoenWon(incumbent)	Democratic	25,51959.1%	59.1%
RepublicanSamuel C. Gold	Republican	17,64640.9%	40.9%

Votes for listed candidates: 45,551
Election day: November 4, 1986
District map: Older district map (1984 to 1991)

Wisconsin Senate District 31, 1970 to 2022, 1986, every candidate
Candidate	Party	Votes and share	Share
DemocraticRodney C. MoenWon(incumbent)	Democratic	23,96652.6%	52.6%
RepublicanTorgerson	Republican	21,58447.4%	47.4%
Scattered write-ins	Write-in	10.0%	0.0%

Votes for listed candidates: 46,405
Election day: November 2, 1982
District map: Older district map (1982 to 1983)

Wisconsin Senate District 31, 1970 to 2022, 1982, every candidate
Candidate	Party	Votes and share	Share
DemocraticRodney C. MoenWon	Democratic	23,26150.1%	50.1%
RepublicanTerry M. Musser	Republican	23,14449.9%	49.9%

Votes for listed candidates: 47,136
Election day: November 7, 1978
District map: Older district map (1972 to 1981)

Wisconsin Senate District 31, 1970 to 2022, 1978, every candidate
Candidate	Party	Votes and share	Share
DemocraticThomas W. HarnischWon(incumbent)	Democratic	23,74650.4%	50.4%
RepublicanHoward Sturtz	Republican	23,38649.6%	49.6%
Scattered write-ins	Write-in	40.0%	0.0%

Votes for listed candidates: 38,641
Election day: November 4, 1974
District map: Older district map (1972 to 1981)

Wisconsin Senate District 31, 1970 to 2022, 1974, every candidate
Candidate	Party	Votes and share	Share
DemocraticThomas W. HarnischWon	Democratic	21,67556.1%	56.1%
RepublicanHarold J. Lachapelle	Republican	16,95543.9%	43.9%
Scattered write-ins	Write-in	110.0%	0.0%

Votes for listed candidates: 38,971
Election day: November 3, 1970
District map: Older district map (1964 to 1971)

Wisconsin Senate District 31, 1970 to 2022, 1970, every candidate
Candidate	Party	Votes and share	Share
RepublicanRaymond C. JohnsonWon(incumbent)	Republican	21,71955.7%	55.7%
DemocraticRobert S. Osterhus	Democratic	17,25244.3%	44.3%

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

Last contest in this district on file: 2022.

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Cite this page

Election Wrld. (2026). Wisconsin Senate District 31, election results 1970 to 2022. https://www.electionwrld.com/wi/senate/31. Retrieved October 30, 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.

District id: ocd-division/country:us/state:wi/sldu:31

DataState data (JSON)Sources: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), DIME (ODC-BY)Data as of Oct 28, 2026