IA
Iowa Senate District 16
Next vote Tue, Nov 3, 2026 · Represented by Renee Hardman Democratic · Member list as of Oct 28
This seat has no race on the official 2026 list.
- Last election
- Claire Celsi (Democratic) won by 39.9 points, 2024
More about this seat
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- No member on file
List every Senate district (50)
- 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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History (18 elections for this seat)
- Votes for listed candidates
- 31,037
- Election day
- November 5, 2024
- District map
- Older district map (2022 to 2024)
Iowa Senate District 16, 1970 to 2024, 2024, every candidate Candidate Party Votes and share Share DemocraticClaire CelsiWon Democratic 21,55769.5% LibertarianJoshua Smith Libertarian 9,18429.6% Scattered write-ins Write-in 2960.9% - Votes for listed candidates
- 27,983
- Election day
- November 8, 2022
- District map
- Older district map (2022)
Iowa Senate District 16, 1970 to 2024, 2022, every candidate Candidate Party Votes and share Share DemocraticClaire CelsiWon(incumbent) Democratic 16,26358.1% RepublicanBradley D. Price Republican 11,69241.8% Scattered write-ins Write-in 280.1% - Votes for listed candidates
- 22,285
- Election day
- November 3, 2020
- District map
- Older district map (2012 to 2021)
Iowa Senate District 16, 1970 to 2024, 2020, every candidate Candidate Party Votes and share Share DemocraticNate BoultonWon(incumbent) Democratic 16,86875.7% OtherToya S. Johnson Other 5,09722.9% Scattered write-ins Write-in 3201.4% - Votes for listed candidates
- 23,485
- Election day
- November 8, 2016
- District map
- Older district map (2012 to 2021)
Iowa Senate District 16, 1970 to 2024, 2016, every candidate Candidate Party Votes and share Share DemocraticNate BoultonWon Democratic 14,04659.8% RepublicanMike Pryor Republican 8,11434.5% LibertarianChristopher Whiteing Libertarian 1,2545.3% Scattered write-ins Write-in 710.3% - Votes for listed candidates
- 24,574
- Election day
- November 6, 2012
- District map
- Older district map (2012 to 2021)
Iowa Senate District 16, 1970 to 2024, 2012, every candidate Candidate Party Votes and share Share DemocraticDick L. DeardenWon(incumbent) Democratic 16,06565.4% RepublicanDavid Scott Edwards Republican 8,46934.5% Scattered write-ins Write-in 400.2% - Votes for listed candidates
- 30,789
- Election day
- November 4, 2008
- District map
- Older district map (2002 to 2011)
Iowa Senate District 16, 1970 to 2024, 2008, every candidate Candidate Party Votes and share Share DemocraticTom HancockWon(incumbent) Democratic 17,12955.6% RepublicanDave McLaughlin Republican 13,66044.4% - Votes for listed candidates
- 30,526
- Election day
- November 2, 2004
- District map
- Older district map (2002 to 2011)
Iowa Senate District 16, 1970 to 2024, 2004, every candidate Candidate Party Votes and share Share DemocraticTom HancockWon Democratic 15,32450.2% RepublicanJulie Hosch(incumbent) Republican 15,20249.8% - Votes for listed candidates
- 21,542
- Election day
- November 5, 2002
- District map
- Older district map (2002 to 2011)
Iowa Senate District 16, 1970 to 2024, 2002, every candidate Candidate Party Votes and share Share RepublicanJulie HoschWon Republican 11,02351.2% DemocraticTom Flynn(incumbent) Democratic 10,51948.8% - Votes for listed candidates
- 24,654
- Election day
- November 7, 2000
- District map
- Older district map (1992 to 2001)
Iowa Senate District 16, 1970 to 2024, 2000, every candidate Candidate Party Votes and share Share RepublicanMark ZiemanWon Republican 13,84756.2% DemocraticRoger Thomas Democratic 10,80743.8% - Votes for listed candidates
- 22,724
- Election day
- November 5, 1996
- District map
- Older district map (1992 to 2001)
Iowa Senate District 16, 1970 to 2024, 1996, every candidate Candidate Party Votes and share Share RepublicanLyle E. ZiemanWon(incumbent) Republican 13,09257.6% DemocraticArthur W. Moellering Democratic 9,63242.4% - Votes for listed candidates
- 25,630
- Election day
- November 3, 1992
- District map
- Older district map (1992 to 2001)
Iowa Senate District 16, 1970 to 2024, 1992, every candidate Candidate Party Votes and share Share RepublicanLyle E. ZiemanWon Republican 14,53856.7% DemocraticPaul W. Johnson Democratic 11,09243.3% - Votes for listed candidates
- 21,151
- Election day
- November 8, 1988
- District map
- Older district map (1982 to 1991)
Iowa Senate District 16, 1970 to 2024, 1988, every candidate Candidate Party Votes and share Share RepublicanDale L. TiedenWon(incumbent) Republican 12,91161.0% DemocraticPhil Specht Democratic 8,24039.0% - Votes for listed candidates
- 15,510
- Election day
- November 6, 1984
- District map
- Older district map (1982 to 1991)
Iowa Senate District 16, 1970 to 2024, 1984, every candidate Candidate Party Votes and share Share RepublicanDale L. TiedenWon(incumbent) Republican 15,508100.0% Scattered write-ins Write-in 20.0% - Votes for listed candidates
- 13,045
- Election day
- November 2, 1982
- District map
- Older district map (1982 to 1991)
Iowa Senate District 16, 1970 to 2024, 1982, every candidate Candidate Party Votes and share Share RepublicanDale L. TiedenWon(incumbent) Republican 13,045100.0% - Votes for listed candidates
- 22,454
- Election day
- November 4, 1980
- District map
- Older district map (1972 to 1981)
Iowa Senate District 16, 1970 to 2024, 1980, every candidate Candidate Party Votes and share Share DemocraticJames GallagherWon(incumbent) Democratic 12,78256.9% RepublicanMaurice Stoneman Republican 9,66943.1% Scattered write-ins Write-in 30.0% - Votes for listed candidates
- 22,712
- Election day
- November 2, 1976
- District map
- Older district map (1972 to 1981)
Iowa Senate District 16, 1970 to 2024, 1976, every candidate Candidate Party Votes and share Share DemocraticJames GallagherWon(incumbent) Democratic 13,63160.0% RepublicanKyle Hummel Republican 9,07440.0% Scattered write-ins Write-in 70.0% - Votes for listed candidates
- 20,264
- Election day
- November 7, 1972
- District map
- Older district map (1972 to 1981)
Iowa Senate District 16, 1970 to 2024, 1972, every candidate Candidate Party Votes and share Share DemocraticJames GallagherWon Democratic 10,82753.4% RepublicanFred Cherry Republican 9,43746.6% - Votes for listed candidates
- 13,631
- Election day
- November 3, 1970
- District map
- Older district map (1970 to 1971)
Iowa Senate District 16, 1970 to 2024, 1970, every candidate Candidate Party Votes and share Share RepublicanJames A. PotgeterWon(incumbent) Republican 8,13559.7% DemocraticRocco Lavalle Democratic 5,49640.3%
- 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
Cite this page
Election Wrld. (2026). Iowa Senate District 16, election results 1970 to 2024. https://www.electionwrld.com/ia/senate/16. Retrieved October 30, 2026.
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<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/sldu:16
DataState data (JSON)Sources: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse)Data as of Oct 28, 2026