Iowa State Senate District 1
Tue, Nov 3 · Represented by Catelin Drey Democratic · Member list as of Oct 28
No published poll names both candidates.The last winner we have no longer holds this seat, so that result isn't shown.
- Last election
- Rocky De Witt (Republican) won by 10.4 points, 2022
- On the 2026 ballot
- 2 candidates
More about this race
Candidates on the ballot
- Catelin DreyIncumbentDemocratic
- Christopher ProschRepublican
Source: sos.iowa.gov (PDF), dated Aug 19
All State Senate districts
- Democratic
- Republican
- Independent
- Nonpartisan
- More than one party
- No member listed
Map settings
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History (14 elections for this seat)
- Votes for listed candidates
- 13,986
- Election day
- November 8, 2022
- District map
- Older district map (2022)
Iowa Senate District 1, 1972 to 2022, 2022, every candidate Candidate Party Votes and share Share RepublicanRocky De WittWon Republican 7,70055.1% DemocraticJackie Smith(incumbent) Democratic 6,25644.7% Scattered write-ins Write-in 300.2% - Votes for listed candidates
- 21,245
- Election day
- November 6, 2018
- District map
- Older district map (2012 to 2021)
Iowa Senate District 1, 1972 to 2022, 2018, every candidate Candidate Party Votes and share Share RepublicanZach WhitingWon Republican 21,245100.0% - Votes for listed candidates
- 18,822
- Election day
- November 4, 2014
- District map
- Older district map (2012 to 2021)
Iowa Senate District 1, 1972 to 2022, 2014, every candidate Candidate Party Votes and share Share RepublicanDavid JohnsonWon Republican 18,77499.7% Scattered write-ins Write-in 480.3% - Votes for listed candidates
- 14,958
- Election day
- November 2, 2010
- District map
- Older district map (2002 to 2011)
Iowa Senate District 1, 1972 to 2022, 2010, every candidate Candidate Party Votes and share Share RepublicanRick BertrandWon Republican 7,58150.7% DemocraticRick Mullin Democratic 7,35949.2% Scattered write-ins Write-in 180.1% - Votes for listed candidates
- 13,947
- Election day
- November 7, 2006
- District map
- Older district map (2002 to 2011)
Iowa Senate District 1, 1972 to 2022, 2006, every candidate Candidate Party Votes and share Share DemocraticSteven H. WarnstadtWon(incumbent) Democratic 9,34067.0% RepublicanBarbara Blanchard Republican 4,60733.0% - Votes for listed candidates
- 13,891
- Election day
- November 5, 2002
- District map
- Older district map (2002 to 2011)
Iowa Senate District 1, 1972 to 2022, 2002, every candidate Candidate Party Votes and share Share DemocraticSteven H. WarnstadtWon Democratic 8,87163.9% RepublicanJack Voss Republican 5,02036.1% - Votes for listed candidates
- 13,758
- Election day
- November 3, 1998
- District map
- Older district map (1992 to 2001)
Iowa Senate District 1, 1972 to 2022, 1998, every candidate Candidate Party Votes and share Share DemocraticSteve HansenWon(incumbent) Democratic 8,42161.2% RepublicanKathleen I. Hoffman Republican 5,33738.8% - Votes for listed candidates
- 15,743
- Election day
- November 8, 1994
- District map
- Older district map (1992 to 2001)
Iowa Senate District 1, 1972 to 2022, 1994, every candidate Candidate Party Votes and share Share DemocraticSteve HansenWon Democratic 8,97157.0% RepublicanMike Vanmaanen Republican 6,77243.0% - Votes for listed candidates
- 16,094
- Election day
- November 6, 1990
- District map
- Older district map (1982 to 1991)
Iowa Senate District 1, 1972 to 2022, 1990, every candidate Candidate Party Votes and share Share DemocraticAl SturgeonWon(incumbent) Democratic 8,17950.8% RepublicanKathleen I. Hoffman Republican 7,91549.2% - Votes for listed candidates
- 17,039
- Election day
- November 4, 1986
- District map
- Older district map (1982 to 1991)
Iowa Senate District 1, 1972 to 2022, 1986, every candidate Candidate Party Votes and share Share DemocraticAl SturgeonWon Democratic 8,98352.7% RepublicanChuck Thomas Republican 8,05347.3% Scattered write-ins Write-in 30.0% - Votes for listed candidates
- 16,946
- Election day
- November 2, 1982
- District map
- Older district map (1982 to 1991)
Iowa Senate District 1, 1972 to 2022, 1982, every candidate Candidate Party Votes and share Share DemocraticMilo ColtonWon Democratic 10,25860.5% RepublicanClarence Carney(incumbent) Republican 6,68739.5% Scattered write-ins Write-in 10.0% - Votes for listed candidates
- 14,345
- Election day
- November 7, 1978
- District map
- Older district map (1972 to 1981)
Iowa Senate District 1, 1972 to 2022, 1978, every candidate Candidate Party Votes and share Share RepublicanLucas J. DekosterWon(incumbent) Republican 9,03863.0% OtherHenry T. Hoefakker Other 5,30737.0% - Votes for listed candidates
- 18,996
- Election day
- November 4, 1974
- District map
- Older district map (1972 to 1981)
Iowa Senate District 1, 1972 to 2022, 1974, every candidate Candidate Party Votes and share Share RepublicanLucas J. DekosterWon(incumbent) Republican 12,80067.4% DemocraticHarry Gerrit Kobes Democratic 6,19632.6% - Votes for listed candidates
- 24,257
- Election day
- November 7, 1972
- District map
- Older district map (1972 to 1981)
Iowa Senate District 1, 1972 to 2022, 1972, every candidate Candidate Party Votes and share Share RepublicanLucas J. DekosterWon(incumbent) Republican 17,12870.6% DemocraticHarry G. Kobes Democratic 7,12929.4%
1972 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
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: 2022.
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Cite this page
Election Wrld. (2026). Iowa State Senate District 1, election results 1972 to 2022. https://www.electionwrld.com/ia/senate/1. Retrieved October 31, 2026.
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<iframe src="https://www.electionwrld.com/embed/ia/senate/1" title="Iowa Senate District 1" 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>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:1
DataState data (JSON)Sources: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse)Data as of Oct 28, 2026