Iowa State House District 15

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

Benjamin SchauerDemocratic

No published poll names both candidates.Last result · 2024 general: Matt Windschitl (R) 69.2, Benjamin Schauer (D) 30.6

Jason ShererRepublican

Show all 4 candidates on the ballot

Benjamin SchauerDemocratic
Jason ShererRepublican
Blake JohnsonIndependent
Marilyn J MentzerIndependent

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

Last election: Matt Windschitl (Republican) won by 38.6 points, 2024
On the 2026 ballot: 4 candidates

All State House districts

Side by side

Left column: SchauerRight column: Sherer

Races: Won 0 of 1; None listed

How these are counted

Wins and losses count the races in our results files, the same as each profile.

More about this race

Candidates on the ballot

Open seat

The current holder, Matt Windschitl, is not on the candidate list.

Benjamin SchauerDemocratic
Jason ShererRepublican
Blake JohnsonIndependent
Marilyn J MentzerIndependent

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

All State House districts

Democratic
Republican
Independent
Nonpartisan
More than one party
No member listed

Map settings

Color

PartyParty + pattern

Vote in Iowa

Trouble voting? Election Protection hotline: 866-OUR-VOTE. A nonpartisan coalition of civil-rights and voting-rights groups, not a government service. 866ourvote.org

Official results for Iowa

History (28 elections for this seat)

Votes for listed candidates: 18,481
Election day: November 5, 2024
District map: Older district map (2022 to 2024)

Iowa House of Representatives District 15, 1970 to 2024, 2024, every candidate
Candidate	Party	Votes and share	Share
RepublicanMatt WindschitlWon	Republican	12,79569.2%	69.2%
DemocraticBenjamin Schauer	Democratic	5,65530.6%	30.6%
Scattered write-ins	Write-in	310.2%	0.2%

Votes for listed candidates: 12,646
Election day: November 8, 2022
District map: Older district map (2022)

Iowa House of Representatives District 15, 1970 to 2024, 2022, every candidate
Candidate	Party	Votes and share	Share
RepublicanMatt WindschitlWon(incumbent)	Republican	9,90978.4%	78.4%
LibertarianRobert Fairchild	Libertarian	2,67121.1%	21.1%
Scattered write-ins	Write-in	660.5%	0.5%

Votes for listed candidates: 10,721
Election day: November 3, 2020
District map: Older district map (2012 to 2021)

Iowa House of Representatives District 15, 1970 to 2024, 2020, every candidate
Candidate	Party	Votes and share	Share
DemocraticCharlie McConkeyWon(incumbent)	Democratic	5,71853.3%	53.3%
RepublicanSarah Abdouch	Republican	4,99046.5%	46.5%
Scattered write-ins	Write-in	130.1%	0.1%

Votes for listed candidates: 8,225
Election day: November 6, 2018
District map: Older district map (2012 to 2021)

Iowa House of Representatives District 15, 1970 to 2024, 2018, every candidate
Candidate	Party	Votes and share	Share
DemocraticCharlie McConkeyWon(incumbent)	Democratic	4,63556.4%	56.4%
RepublicanLeann L. Hughes	Republican	3,59043.6%	43.6%

Votes for listed candidates: 10,497
Election day: November 8, 2016
District map: Older district map (2012 to 2021)

Iowa House of Representatives District 15, 1970 to 2024, 2016, every candidate
Candidate	Party	Votes and share	Share
DemocraticCharlie McConkeyWon(incumbent)	Democratic	5,42451.7%	51.7%
RepublicanBill Riley	Republican	5,05648.2%	48.2%
Scattered write-ins	Write-in	170.2%	0.2%

Votes for listed candidates: 6,077
Election day: November 4, 2014
District map: Older district map (2012 to 2021)

Iowa House of Representatives District 15, 1970 to 2024, 2014, every candidate
Candidate	Party	Votes and share	Share
DemocraticCharlie McConkeyWon	Democratic	3,06950.5%	50.5%
RepublicanJohn Blue	Republican	2,99449.3%	49.3%
Scattered write-ins	Write-in	140.2%	0.2%

Votes for listed candidates: 10,483
Election day: November 6, 2012
District map: Older district map (2012 to 2021)

Iowa House of Representatives District 15, 1970 to 2024, 2012, every candidate
Candidate	Party	Votes and share	Share
RepublicanMark A. BrandenburgWon(incumbent)	Republican	5,45252.0%	52.0%
DemocraticGeorge Warren Yaple	Democratic	5,01347.8%	47.8%
Scattered write-ins	Write-in	180.2%	0.2%

Votes for listed candidates: 10,655
Election day: November 2, 2010
District map: Older district map (2002 to 2011)

Iowa House of Representatives District 15, 1970 to 2024, 2010, every candidate
Candidate	Party	Votes and share	Share
DemocraticBrian J. QuirkWon(incumbent)	Democratic	5,79054.3%	54.3%
RepublicanMichael T. Klimesh	Republican	4,85645.6%	45.6%
Scattered write-ins	Write-in	90.1%	0.1%

Votes for listed candidates: 13,015
Election day: November 4, 2008
District map: Older district map (2002 to 2011)

Iowa House of Representatives District 15, 1970 to 2024, 2008, every candidate
Candidate	Party	Votes and share	Share
DemocraticBrian J. QuirkWon(incumbent)	Democratic	9,67974.4%	74.4%
OtherDan Lensing	Other	3,33625.6%	25.6%

Votes for listed candidates: 10,331
Election day: November 7, 2006
District map: Older district map (2002 to 2011)

Iowa House of Representatives District 15, 1970 to 2024, 2006, every candidate
Candidate	Party	Votes and share	Share
DemocraticBrian QuirkWon(incumbent)	Democratic	7,14769.2%	69.2%
RepublicanDavid Kraft	Republican	3,18430.8%	30.8%

Votes for listed candidates: 14,321
Election day: November 2, 2004
District map: Older district map (2002 to 2011)

Iowa House of Representatives District 15, 1970 to 2024, 2004, every candidate
Candidate	Party	Votes and share	Share
DemocraticBrian QuirkWon(incumbent)	Democratic	8,42258.8%	58.8%
RepublicanArnie Boge	Republican	5,89941.2%	41.2%

Iowa House of Representatives District 15, 1970 to 2024, 2002, every candidate
Candidate	Party	Votes and share	Share
DemocraticBrian QuirkWon(incumbent)	Democratic	8,273100.0%	100.0%

Iowa House of Representatives District 15, 1970 to 2024, 2000, every candidate
Candidate	Party	Votes and share	Share
DemocraticDolores M. MertzWon(incumbent)	Democratic	10,367100.0%	100.0%

Votes for listed candidates: 9,911
Election day: November 3, 1998
District map: Older district map (1992 to 2001)

Iowa House of Representatives District 15, 1970 to 2024, 1998, every candidate
Candidate	Party	Votes and share	Share
DemocraticDolores M. MertzWon(incumbent)	Democratic	6,35764.1%	64.1%
RepublicanKenneth M. Clark	Republican	3,55435.9%	35.9%

Iowa House of Representatives District 15, 1970 to 2024, 1996, every candidate
Candidate	Party	Votes and share	Share
DemocraticDolores M. MertzWon(incumbent)	Democratic	9,979100.0%	100.0%

Votes for listed candidates: 10,948
Election day: November 8, 1994
District map: Older district map (1992 to 2001)

Iowa House of Representatives District 15, 1970 to 2024, 1994, every candidate
Candidate	Party	Votes and share	Share
DemocraticDolores M. MertzWon(incumbent)	Democratic	6,81862.3%	62.3%
RepublicanRonald E. Warren	Republican	4,13037.7%	37.7%

Votes for listed candidates: 13,443
Election day: November 3, 1992
District map: Older district map (1992 to 2001)

Iowa House of Representatives District 15, 1970 to 2024, 1992, every candidate
Candidate	Party	Votes and share	Share
DemocraticDolores M. MertzWon(incumbent)	Democratic	8,13260.5%	60.5%
RepublicanRonald E. Warren	Republican	5,31139.5%	39.5%

Votes for listed candidates: 9,881
Election day: November 6, 1990
District map: Older district map (1982 to 1991)

Iowa House of Representatives District 15, 1970 to 2024, 1990, every candidate
Candidate	Party	Votes and share	Share
DemocraticDolores M. MertzWon(incumbent)	Democratic	5,67557.4%	57.4%
RepublicanRobert E. Johnson	Republican	4,20642.6%	42.6%

Votes for listed candidates: 12,041
Election day: November 8, 1988
District map: Older district map (1982 to 1991)

Iowa House of Representatives District 15, 1970 to 2024, 1988, every candidate
Candidate	Party	Votes and share	Share
DemocraticDolores M. MertzWon	Democratic	7,48462.1%	62.1%
RepublicanRobert H. Christensen II	Republican	4,55637.8%	37.8%
Scattered write-ins	Write-in	10.0%	0.0%

Votes for listed candidates: 5,678
Election day: November 4, 1986
District map: Older district map (1982 to 1991)

Iowa House of Representatives District 15, 1970 to 2024, 1986, every candidate
Candidate	Party	Votes and share	Share
RepublicanSue MullinsWon(incumbent)	Republican	5,677100.0%	100.0%
Scattered write-ins	Write-in	10.0%	0.0%

Votes for listed candidates: 8,054
Election day: November 6, 1984
District map: Older district map (1982 to 1991)

Iowa House of Representatives District 15, 1970 to 2024, 1984, every candidate
Candidate	Party	Votes and share	Share
RepublicanSue MullinsWon(incumbent)	Republican	8,051100.0%	100.0%
Scattered write-ins	Write-in	30.0%	0.0%

Votes for listed candidates: 10,452
Election day: November 2, 1982
District map: Older district map (1982 to 1991)

Iowa House of Representatives District 15, 1970 to 2024, 1982, every candidate
Candidate	Party	Votes and share	Share
RepublicanSue MullinsWon(incumbent)	Republican	6,32060.5%	60.5%
DemocraticRay Morgan	Democratic	4,13239.5%	39.5%

Votes for listed candidates: 11,201
Election day: November 4, 1980
District map: Older district map (1972 to 1981)

Iowa House of Representatives District 15, 1970 to 2024, 1980, every candidate
Candidate	Party	Votes and share	Share
DemocraticDonald D. AvensonWon(incumbent)	Democratic	6,46157.7%	57.7%
RepublicanGordon Eide	Republican	4,73842.3%	42.3%
Scattered write-ins	Write-in	20.0%	0.0%

Votes for listed candidates: 7,819
Election day: November 7, 1978
District map: Older district map (1972 to 1981)

Iowa House of Representatives District 15, 1970 to 2024, 1978, every candidate
Candidate	Party	Votes and share	Share
DemocraticDonald D. AvensonWon(incumbent)	Democratic	4,24254.3%	54.3%
RepublicanHerb Haas	Republican	3,57645.7%	45.7%
Scattered write-ins	Write-in	10.0%	0.0%

Votes for listed candidates: 11,492
Election day: November 2, 1976
District map: Older district map (1972 to 1981)

Iowa House of Representatives District 15, 1970 to 2024, 1976, every candidate
Candidate	Party	Votes and share	Share
DemocraticDonald D. AvensonWon(incumbent)	Democratic	6,86259.7%	59.7%
RepublicanBetty Wetlaufer	Republican	4,62940.3%	40.3%
Scattered write-ins	Write-in	10.0%	0.0%

Votes for listed candidates: 8,631
Election day: November 4, 1974
District map: Older district map (1972 to 1981)

Iowa House of Representatives District 15, 1970 to 2024, 1974, every candidate
Candidate	Party	Votes and share	Share
DemocraticDonald D. AvensonWon(incumbent)	Democratic	5,67965.8%	65.8%
RepublicanA. W. Martin	Republican	2,95234.2%	34.2%

Votes for listed candidates: 11,267
Election day: November 7, 1972
District map: Older district map (1972 to 1981)

Iowa House of Representatives District 15, 1970 to 2024, 1972, every candidate
Candidate	Party	Votes and share	Share
DemocraticDonald D. AvensonWon	Democratic	6,00753.3%	53.3%
RepublicanJohn W. Hofmeyer	Republican	5,25646.6%	46.6%
Scattered write-ins	Write-in	40.0%	0.0%

Votes for listed candidates: 7,372
Election day: November 3, 1970
District map: Older district map (1970 to 1971)

Iowa House of Representatives District 15, 1970 to 2024, 1970, every candidate
Candidate	Party	Votes and share	Share
RepublicanDennis L. FreemanWon(incumbent)	Republican	4,17656.6%	56.6%
DemocraticDaniel J. McCarty	Democratic	3,19543.3%	43.3%
Scattered write-ins	Write-in	10.0%	0.0%

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
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: 2024.

Download and cite

CC BY 4.0 State data (JSON)Share image (PNG)

Cite this page

Election Wrld. (2026). Iowa State House District 15, election results 1970 to 2024. https://www.electionwrld.com/ia/house/15. Retrieved October 31, 2026.

Embed this seat

<iframe src="https://www.electionwrld.com/embed/ia/house/15" title="Iowa House of Representatives District 15" 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>

Paste this into any web page. It shows the seat, its last result and the next election.

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:ia/sldl:15

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