Wisconsin State Senate District 24

Next vote Tue, Nov 3, 2026 · Represented by Patrick Testin Republican · Member list as of Oct 28

This seat has no race on the official 2026 list.

Last election: Patrick Testin (Republican) won by 17.4 points, 2024

More about this seat

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Official results for Wisconsin

History (15 elections for this seat)

Votes for listed candidates: 98,341
Election day: November 5, 2024
District map: Older district map (2024)

Wisconsin Senate District 24, 1968 to 2024, 2024, every candidate
Candidate	Party	Votes and share	Share
RepublicanPatrick TestinWon	Republican	57,69558.7%	58.7%
DemocraticCollin McNamara	Democratic	40,59941.3%	41.3%
Scattered write-ins	Write-in	470.1%	0.1%

Votes for listed candidates: 95,198
Election day: November 3, 2020
District map: Older district map (2012 to 2021)

Wisconsin Senate District 24, 1968 to 2024, 2020, every candidate
Candidate	Party	Votes and share	Share
RepublicanPatrick TestinWon(incumbent)	Republican	53,72056.4%	56.4%
DemocraticPaul Piotrowski	Democratic	41,41943.5%	43.5%
Scattered write-ins	Write-in	590.1%	0.1%

Votes for listed candidates: 86,275
Election day: November 8, 2016
District map: Older district map (2012 to 2021)

Wisconsin Senate District 24, 1968 to 2024, 2016, every candidate
Candidate	Party	Votes and share	Share
RepublicanPatrick TestinWon	Republican	45,13952.3%	52.3%
DemocraticJulie M. Lassa(incumbent)	Democratic	41,09147.6%	47.6%
Scattered write-ins	Write-in	450.1%	0.1%

Votes for listed candidates: 86,024
Election day: November 6, 2012
District map: Older district map (2012 to 2021)

Wisconsin Senate District 24, 1968 to 2024, 2012, every candidate
Candidate	Party	Votes and share	Share
DemocraticJulie LassaWon(incumbent)	Democratic	48,67756.6%	56.6%
RepublicanScott Kenneth Noble	Republican	37,25943.3%	43.3%
Scattered write-ins	Write-in	880.1%	0.1%

Votes for listed candidates: 85,645
Election day: November 4, 2008
District map: Older district map (2002 to 2011)

Wisconsin Senate District 24, 1968 to 2024, 2008, every candidate
Candidate	Party	Votes and share	Share
DemocraticJulie M. LassaWon(incumbent)	Democratic	57,98567.7%	67.7%
RepublicanTom Kimmet	Republican	27,66032.3%	32.3%

Wisconsin Senate District 24, 1968 to 2024, 2004, every candidate
Candidate	Party	Votes and share	Share
DemocraticJulie LassaWon	Democratic	58,25967.6%	67.6%
RepublicanGreg Swank	Republican	27,92632.4%	32.4%

Wisconsin Senate District 24, 1968 to 2024, 2000, every candidate
Candidate	Party	Votes and share	Share
DemocraticKevin W. ShibilskiWon(incumbent)	Democratic	55,760100.0%	100.0%

Wisconsin Senate District 24, 1968 to 2024, 1996, every candidate
Candidate	Party	Votes and share	Share
DemocraticKevin W. ShibilskiWon	Democratic	44,93384.1%	84.1%
OtherWayne Wiedeman	Other	8,50815.9%	15.9%

Wisconsin Senate District 24, 1968 to 2024, 1992, every candidate
Candidate	Party	Votes and share	Share
DemocraticDavid HelbachWon(incumbent)	Democratic	50,666100.0%	100.0%

Votes for listed candidates: 62,625
Election day: November 8, 1988
District map: Older district map (1984 to 1991)

Wisconsin Senate District 24, 1968 to 2024, 1988, every candidate
Candidate	Party	Votes and share	Share
DemocraticDavid HelbachWon(incumbent)	Democratic	45,08872.0%	72.0%
RepublicanLeroy G. Breezee	Republican	17,53628.0%	28.0%
Scattered write-ins	Write-in	10.0%	0.0%

Wisconsin Senate District 24, 1968 to 2024, 1984, every candidate
Candidate	Party	Votes and share	Share
DemocraticDavid HelbachWon	Democratic	43,381100.0%	100.0%
Scattered write-ins	Write-in	40.0%	0.0%

Votes for listed candidates: 68,462
Election day: November 4, 1980
District map: Older district map (1972 to 1981)

Wisconsin Senate District 24, 1968 to 2024, 1980, every candidate
Candidate	Party	Votes and share	Share
DemocraticWilliam A. BablitchWon(incumbent)	Democratic	44,84765.5%	65.5%
RepublicanRobert A. Maland	Republican	23,61334.5%	34.5%
Scattered write-ins	Write-in	20.0%	0.0%

Votes for listed candidates: 62,958
Election day: November 2, 1976
District map: Older district map (1972 to 1981)

Wisconsin Senate District 24, 1968 to 2024, 1976, every candidate
Candidate	Party	Votes and share	Share
DemocraticWilliam A. BablitchWon(incumbent)	Democratic	43,32968.8%	68.8%
RepublicanSydney Rouse	Republican	19,62631.2%	31.2%
Scattered write-ins	Write-in	30.0%	0.0%

Votes for listed candidates: 56,925
Election day: November 7, 1972
District map: Older district map (1972 to 1981)

Wisconsin Senate District 24, 1968 to 2024, 1972, every candidate
Candidate	Party	Votes and share	Share
DemocraticWilliam A. BablitchWon	Democratic	33,91859.6%	59.6%
RepublicanRay J. Riodan Jr.	Republican	22,97440.4%	40.4%
Scattered write-ins	Write-in	330.1%	0.1%

Votes for listed candidates: 52,384
Election day: November 5, 1968
District map: Older district map (1964 to 1971)

Wisconsin Senate District 24, 1968 to 2024, 1968, every candidate
Candidate	Party	Votes and share	Share
RepublicanRaymond F. HeinzenWon	Republican	26,72751.0%	51.0%
DemocraticWilliam C. Hansen(incumbent)	Democratic	25,65749.0%	49.0%

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
1968 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: 2024.

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Election Wrld. (2026). Wisconsin State Senate District 24, election results 1968 to 2024. https://www.electionwrld.com/wi/senate/24. 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; 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:wi/sldu:24

DataState data (JSON)Sources: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), MEDSL 2024 official precinct returnsData as of Oct 28, 2026