Iowa Senate District 23

Tue, Nov 3 · Represented by Jack Whitver Republican (not a candidate in 2026) · Member list as of Oct 28

No published poll names both candidates.Last result · 2022 general (different candidates): Jack Whitver (R) 58.6, Matt Pries (D) 41.3

Tony ThompsonDemocratic

Last election: Jack Whitver (Republican) won by 17.3 points, 2022
On the 2026 ballot: 2 candidates

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The current holder, Jack Whitver, is not on the candidate list.

Tony ThompsonDemocratic
Wes EnosRepublican

Source: sos.iowa.gov (PDF), dated Aug 19

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State Senate District 1· Catelin Drey
State Senate District 2· Jeff Taylor
State Senate District 3· Lynn Evans
State Senate District 4· Tim Kraayenbrink
State Senate District 5· Dave Rowley
State Senate District 6· Jason Schultz
State Senate District 7· Kevin Alons
State Senate District 8· Mark Costello
State Senate District 9· Tom Shipley
State Senate District 10· Dan Dawson
State Senate District 11· No member on file
State Senate District 12· Amy Sinclair
State Senate District 13· Cherielynn Westrich
State Senate District 14· Sarah Garriott
State Senate District 15· Tony Bisignano
State Senate District 16· Renee Hardman
State Senate District 17· Izaah Knox
State Senate District 18· Janet Petersen
State Senate District 19· Ken Rozenboom
State Senate District 20· Mike Pike
State Senate District 21· Mike Bousselot
State Senate District 22· Matt Blake
State Senate District 23· Jack Whitver
State Senate District 24· Jesse Green
State Senate District 25· Herman Quirmbach
State Senate District 26· Kara Warme
State Senate District 27· Annette Sweeney
State Senate District 28· Dennis Guth
State Senate District 29· Sandy Salmon
State Senate District 30· Doug Campbell
State Senate District 31· Bill Dotzler
State Senate District 32· Mike Klimesh
State Senate District 33· Carrie Koelker
State Senate District 34· Dan Zumbach
State Senate District 35· Mike Zimmer
State Senate District 36· Tom Townsend
State Senate District 37· Molly Donahue
State Senate District 38· Dave Sires
State Senate District 39· Liz Bennett
State Senate District 40· Art Staed
State Senate District 41· Kerry Gruenhagen
State Senate District 42· Charlie McClintock
State Senate District 43· Zach Wahls
State Senate District 44· Adrian Dickey
State Senate District 45· Janice Weiner
State Senate District 46· Dawn Driscoll
State Senate District 47· Scott Webster
State Senate District 48· Mark Lofgren
State Senate District 49· Cindy Winckler
State Senate District 50· Jeff Reichman

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Official results for Iowa

History (15 elections for this seat)

Votes for listed candidates: 29,461
Election day: November 8, 2022
District map: Older district map (2022)

Iowa Senate District 23, 1970 to 2022, 2022, every candidate
Candidate	Party	Votes and share	Share
RepublicanJack WhitverWon(incumbent)	Republican	17,27658.6%	58.6%
DemocraticMatt Pries	Democratic	12,15941.3%	41.3%
Scattered write-ins	Write-in	260.1%	0.1%

Votes for listed candidates: 25,293
Election day: November 6, 2018
District map: Older district map (2012 to 2021)

Iowa Senate District 23, 1970 to 2022, 2018, every candidate
Candidate	Party	Votes and share	Share
DemocraticHerman C. QuirmbachWon(incumbent)	Democratic	19,02075.2%	75.2%
LibertarianEric Cooper	Libertarian	6,27324.8%	24.8%

Votes for listed candidates: 19,845
Election day: November 4, 2014
District map: Older district map (2012 to 2021)

Iowa Senate District 23, 1970 to 2022, 2014, every candidate
Candidate	Party	Votes and share	Share
DemocraticHerman C. QuirmbachWon(incumbent)	Democratic	11,71359.0%	59.0%
RepublicanJeremy Davis	Republican	8,09440.8%	40.8%
Scattered write-ins	Write-in	380.2%	0.2%

Votes for listed candidates: 22,286
Election day: November 2, 2010
District map: Older district map (2002 to 2011)

Iowa Senate District 23, 1970 to 2022, 2010, every candidate
Candidate	Party	Votes and share	Share
DemocraticHerman C. QuirmbachWon(incumbent)	Democratic	11,76752.8%	52.8%
RepublicanTimothy L. Gartin	Republican	10,48847.1%	47.1%
Scattered write-ins	Write-in	310.1%	0.1%

Votes for listed candidates: 20,517
Election day: November 7, 2006
District map: Older district map (2002 to 2011)

Iowa Senate District 23, 1970 to 2022, 2006, every candidate
Candidate	Party	Votes and share	Share
DemocraticHerman C. QuirmbachWon(incumbent)	Democratic	11,78257.4%	57.4%
RepublicanLinda Livingston	Republican	8,73542.6%	42.6%

Votes for listed candidates: 19,342
Election day: November 5, 2002
District map: Older district map (2002 to 2011)

Iowa Senate District 23, 1970 to 2022, 2002, every candidate
Candidate	Party	Votes and share	Share
DemocraticHerman C. QuirmbachWon	Democratic	10,54154.5%	54.5%
RepublicanBarbara A. Finch	Republican	8,21542.5%	42.5%
LibertarianEric E. Cooper	Libertarian	5863.0%	3.0%

Iowa Senate District 23, 1970 to 2022, 1998, every candidate
Candidate	Party	Votes and share	Share
RepublicanJoe BolkcomWon	Republican	12,513100.0%	100.0%

Iowa Senate District 23, 1970 to 2022, 1994, every candidate
Candidate	Party	Votes and share	Share
DemocraticMary NeuhauserWon	Democratic	13,729100.0%	100.0%

Iowa Senate District 23, 1970 to 2022, 1990, every candidate
Candidate	Party	Votes and share	Share
DemocraticJean LloydjonesWon(incumbent)	Democratic	18,959100.0%	100.0%

Votes for listed candidates: 18,096
Election day: November 4, 1986
District map: Older district map (1982 to 1991)

Iowa Senate District 23, 1970 to 2022, 1986, every candidate
Candidate	Party	Votes and share	Share
DemocraticJean LloydjonesWon	Democratic	12,30868.0%	68.0%
RepublicanMichael McDonald	Republican	5,78031.9%	31.9%
Scattered write-ins	Write-in	80.0%	0.0%

Votes for listed candidates: 22,897
Election day: November 2, 1982
District map: Older district map (1982 to 1991)

Iowa Senate District 23, 1970 to 2022, 1982, every candidate
Candidate	Party	Votes and share	Share
DemocraticArthur A. Small Jr.Won(incumbent)	Democratic	14,69464.2%	64.2%
RepublicanPhillip E. Jacks	Republican	8,19635.8%	35.8%
Scattered write-ins	Write-in	70.0%	0.0%

Iowa Senate District 23, 1970 to 2022, 1978, every candidate
Candidate	Party	Votes and share	Share
DemocraticC. Joseph ColemanWon(incumbent)	Democratic	10,388100.0%	100.0%
Scattered write-ins	Write-in	20.0%	0.0%

Iowa Senate District 23, 1970 to 2022, 1974, every candidate
Candidate	Party	Votes and share	Share
DemocraticC. Joseph ColemanWon(incumbent)	Democratic	10,560100.0%	100.0%
Scattered write-ins	Write-in	30.0%	0.0%

Votes for listed candidates: 22,613
Election day: November 7, 1972
District map: Older district map (1972 to 1981)

Iowa Senate District 23, 1970 to 2022, 1972, every candidate
Candidate	Party	Votes and share	Share
DemocraticC. Joseph ColemanWon(incumbent)	Democratic	13,58760.1%	60.1%
RepublicanWilliam H. Goodrich	Republican	9,02639.9%	39.9%

Iowa Senate District 23, 1970 to 2022, 1970, every candidate
Candidate	Party	Votes and share	Share
RepublicanTom RileyWon	Republican	11,46161.2%	61.2%
DemocraticJohn M. Ely Jr.	Democratic	7,25738.8%	38.8%

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

Last contest in this district on file: 2022.

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Election Wrld. (2026). Iowa Senate District 23, election results 1970 to 2022. https://www.electionwrld.com/ia/senate/23. 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:ia/sldu:23

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