IA-1
Iowa District 1
Tue, Nov 3 · Seat held by Mariannette Miller-Meeks Republican since Jan 2021
3 candidates. Sorted by most raised, FEC through Oct 14.
- Christina Bohannan DemocraticDemocratic$9.9M
- Mariannette Miller-Meeks RepublicanIncumbent$9.1M
- Michael Bridgford IndependentIndependent$338K
No polls in the last 7 weeksNewest poll · The Bullfinch Group, field dates Jul 13 to Jul 16, released Jul 28, 705 likely votersPoll sponsored by The Independent CenterPolls fetched Oct 30, 2:02 a.m. ET, from VoteHub
Bohannan 40Miller-Meeks 35Bridgford 11
- Last election
- Mariannette Miller-Meeks (Republican) won by 0.2 points, 2024
- Margin since 2022
- 6.6 points toward Democrats
- On the 2026 ballot
- 3 candidates
Polls over time
2 polls, through Election Day Nov 3Each dot is one published poll. All polls. Polls fetched Oct 30, 2:02 a.m. ET, from VoteHub.
The polls in this chart (2)
No polls released in the last 14 days · latest results range from 40–43% (D), 35–39% (R) and 11% (I) (newest 2 polls on the chart)
Each dot is a poll that names the candidate, 2 of the 2 for this race. Dots and lines follow the field end date. The table adds the day each poll was released.
| Pollster | Field dates | Released | Sample | Bohannan | Miller-Meeks |
|---|---|---|---|---|---|
| The Bullfinch Group | Jul 13 to Jul 16 | Jul 28 | 705 likely voters | 40 | 35 |
| Public Policy Polling | Jun 18 to Jun 19 | Apr 27 | 555 adults | 43 | 39 |
More about this race
Candidates on the ballot
- Christina BohannanDemocratic
- Mariannette Miller-MeeksIncumbentRepublican
- Michael BridgfordIndependent
Source: sos.iowa.gov (PDF), dated Aug 19
Shift since 2022: 6.6 points toward Democrats (Republican by 6.8 in 2022, Republican by 0.2 in 2024).
All Iowa districts
Select a shape for details. Arrow keys move between shapes.
2024 US House margin
- D 15+ pts
- D 5 to 15 pts
- D under 5 pts
- R under 5 pts
- R 5 to 15 pts
- R 15+ pts
- Other winner
- No data
Show these districts as a list (4)
- Iowa District 1· Mariannette Miller-Meeks (R), Republican by 0.2 points, 2024
- Iowa District 2· Ashley Hinson (R), Republican by 15.6 points, 2024
- Iowa District 3· Zachary Nunn (R), Republican by 3.9 points, 2024
- Iowa District 4· Randy Feenstra (R), Republican by 34.3 points, 2024
Map settings
Vote in Iowa
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History (25 elections for this seat)
- Votes for listed candidates
- 414,078
- Election day
- November 5, 2024
- District map
- Same as today
US House, Iowa District 1, 2024, every candidate Candidate Party Votes and share Share RepublicanMariannette Miller-MeeksWon Republican 206,95550.0% DemocraticChristina Bohannan Democratic 206,15649.8% Scattered write-insName as filed: Writein Write-in 9670.2% - Votes for listed candidates
- 305,380
- Election day
- November 8, 2022
- District map
- Same as today
US House, Iowa District 1, 2022, every candidate Candidate Party Votes and share Share RepublicanMariannette Miller-MeeksWon Republican 162,94753.4% DemocraticChristina Bohannan Democratic 142,17346.6% Scattered write-insName as filed: Writein Write-in 2600.1% - Votes for listed candidates
- 413,869
- Election day
- November 3, 2020
- District map
- Older district map (2012 to 2020)
US House, Iowa District 1, 2020, every candidate Candidate Party Votes and share Share RepublicanAshley HinsonWon Republican 212,08851.2% DemocraticAbby Finkenauer Democratic 201,34748.6% Scattered write-insName as filed: Writein Write-in 4340.1% - Votes for listed candidates
- 334,243
- Election day
- November 6, 2018
- District map
- Older district map (2012 to 2020)
US House, Iowa District 1, 2018, every candidate Candidate Party Votes and share Share DemocraticAbby FinkenauerWon Democratic 170,34251.0% RepublicanRod Blum Republican 153,44245.9% LibertarianTroy Hageman Libertarian 10,2853.1% Scattered write-insName as filed: Writein Write-in 1740.1% - Votes for listed candidates
- 384,977
- Election day
- November 8, 2016
- District map
- Older district map (2012 to 2020)
US House, Iowa District 1, 2016, every candidate Candidate Party Votes and share Share RepublicanRod BlumWon Republican 206,90353.7% DemocraticMonica Vernon Democratic 177,40346.1% Scattered write-insName as filed: Writein Write-in 6710.2% - Votes for listed candidates
- 289,306
- Election day
- November 4, 2014
- District map
- Older district map (2012 to 2020)
US House, Iowa District 1, 2014, every candidate Candidate Party Votes and share Share RepublicanRod BlumWon Republican 147,76251.1% DemocraticPat Murphy Democratic 141,14548.8% Scattered write-insName as filed: Writein Write-in 3990.1% - Votes for listed candidates
- 390,849
- Election day
- November 6, 2012
- District map
- Older district map (2012 to 2020)
US House, Iowa District 1, 2012, every candidate Candidate Party Votes and share Share DemocraticBruce L BraleyWon Democratic 222,42256.9% RepublicanBen Lange Republican 162,46541.6% IndependentGregory Hughes Independent 4,7721.2% IndependentGeorge Todd Krail II Independent 9310.2% Scattered write-insName as filed: Writein Write-in 2590.1% - Votes for listed candidates
- 210,902
- Election day
- November 2, 2010
- District map
- Older district map (2002 to 2010)
US House, Iowa District 1, 2010, every candidate Candidate Party Votes and share Share DemocraticBruce L BraleyWon Democratic 104,42849.5% RepublicanBenjamin M Lange Republican 100,21947.5% LibertarianRob J Petsche Libertarian 4,0871.9% OtherJason A Faulkner Other 2,0921.0% Scattered write-insName as filed: Writein Write-in 760.0% - Votes for listed candidates
- 289,430
- Election day
- November 4, 2008
- District map
- Older district map (2002 to 2010)
US House, Iowa District 1, 2008, every candidate Candidate Party Votes and share Share DemocraticBruce L BraleyWon Democratic 186,99164.6% RepublicanDavid Hartsuch Republican 102,43935.4% - Votes for listed candidates
- 207,478
- Election day
- November 7, 2006
- District map
- Older district map (2002 to 2010)
US House, Iowa District 1, 2006, every candidate Candidate Party Votes and share Share DemocraticBruce BraleyWon Democratic 114,32255.1% RepublicanMike Whalen Republican 89,72943.2% OtherJames F Hill Other 2,2011.1% IndependentAlbert W Schoeman Independent 1,2260.6% - Votes for listed candidates
- 290,054
- Election day
- November 2, 2004
- District map
- Older district map (2002 to 2010)
US House, Iowa District 1, 2004, every candidate Candidate Party Votes and share Share RepublicanJim NussleWon Republican 159,99355.2% DemocraticBill Gluba Democratic 125,49043.3% LibertarianMark Nelson Libertarian 2,7270.9% IndependentDenny Heath Independent 1,7560.6% Scattered write-insName as filed: Writein Write-in 880.0% - Votes for listed candidates
- 196,455
- Election day
- November 5, 2002
- District map
- Older district map (2002 to 2010)
US House, Iowa District 1, 2002, every candidate Candidate Party Votes and share Share RepublicanJim NussleWon Republican 112,28057.2% DemocraticAnn Hutchinson Democratic 83,77942.6% Scattered write-insName as filed: Writein Write-in 3960.2% - Votes for listed candidates
- 266,990
- Election day
- November 7, 2000
- District map
- Older district map (1992 to 2000)
US House, Iowa District 1, 2000, every candidate Candidate Party Votes and share Share RepublicanJames A LeachWon Republican 164,97261.8% DemocraticBob Simpson Democratic 96,28336.1% LibertarianRuss Madden Libertarian 5,5642.1% Scattered write-insName as filed: Writein Write-in 1710.1% - Votes for listed candidates
- 188,132
- Election day
- November 3, 1998
- District map
- Older district map (1992 to 2000)
US House, Iowa District 1, 1998, every candidate Candidate Party Votes and share Share RepublicanJames A LeachWon Republican 106,41956.6% DemocraticBob Rush Democratic 79,52942.3% OtherCharles Thurston Other 1,2520.7% OtherJeffrey M Smith Other 9320.5% - Votes for listed candidates
- 244,596
- Election day
- November 5, 1996
- District map
- Older district map (1992 to 2000)
US House, Iowa District 1, 1996, every candidate Candidate Party Votes and share Share RepublicanJames A LeachWon Republican 129,24252.8% DemocraticBob Rush Democratic 111,59545.6% IndependentThomas W Isenhour Independent 2,2770.9% OtherMichael J Cuddehe Other 1,3940.6% Scattered write-insName as filed: Writein Write-in 880.0% - Votes for listed candidates
- 183,461
- Election day
- November 8, 1994
- District map
- Older district map (1992 to 2000)
US House, Iowa District 1, 1994, every candidate Candidate Party Votes and share Share RepublicanJames A LeachWon Republican 110,44860.2% DemocraticGlen Winekauf Democratic 69,46137.9% IndependentJan J Zonneveld Independent 2,2641.2% OtherMichael Cuddehe Other 1,2130.7% Scattered write-insName as filed: Writein Write-in 750.0% - Votes for listed candidates
- 259,642
- Election day
- November 3, 1992
- District map
- Older district map (1992 to 2000)
US House, Iowa District 1, 1992, every candidate Candidate Party Votes and share Share RepublicanJames A LeachWon Republican 178,04268.6% DemocraticJan J Zonneveld Democratic 81,60031.4% - Votes for listed candidates
- 90,193
- Election day
- November 6, 1990
- District map
- Older district map (1982 to 1990)
US House, Iowa District 1, 1990, every candidate Candidate Party Votes and share Share RepublicanJim LeachWon Republican 90,04299.8% Scattered write-insName as filed: Writein Write-in 1510.2% - Votes for listed candidates
- 185,716
- Election day
- November 8, 1988
- District map
- Older district map (1982 to 1990)
US House, Iowa District 1, 1988, every candidate Candidate Party Votes and share Share RepublicanJim LeachWon Republican 112,74660.7% DemocraticBill Gluba Democratic 71,28038.4% IndependentJudy Stav-River Independent 1,6700.9% Scattered write-insName as filed: Writein Write-in 200.0% - Votes for listed candidates
- 130,825
- Election day
- November 4, 1986
- District map
- Older district map (1982 to 1990)
US House, Iowa District 1, 1986, every candidate Candidate Party Votes and share Share RepublicanJim LeachWon Republican 86,83466.4% DemocraticJohn R Whitaker Democratic 43,98533.6% Scattered write-insName as filed: Writein Write-in 60.0% - Votes for listed candidates
- 196,475
- Election day
- November 6, 1984
- District map
- Older district map (1982 to 1990)
US House, Iowa District 1, 1984, every candidate Candidate Party Votes and share Share RepublicanJim LeachWon Republican 131,18266.8% DemocraticKevin Ready Democratic 65,29333.2% - Votes for listed candidates
- 151,342
- Election day
- November 2, 1982
- District map
- Older district map (1982 to 1990)
US House, Iowa District 1, 1982, every candidate Candidate Party Votes and share Share RepublicanJim LeachWon Republican 89,59559.2% DemocraticWilliam E Gluba Democratic 61,73440.8% Scattered write-insName as filed: Writein Write-in 130.0% - Votes for listed candidates
- 208,111
- Election day
- November 4, 1980
- District map
- Older district map (1972 to 1980)
US House, Iowa District 1, 1980, every candidate Candidate Party Votes and share Share RepublicanJim LeachWon Republican 133,34964.1% DemocraticJim Larew Democratic 72,60234.9% LibertarianMichael R Grant Libertarian 1,3740.7% OtherGloria Williams Other 7860.4% - Votes for listed candidates
- 125,955
- Election day
- November 7, 1978
- District map
- Older district map (1972 to 1980)
US House, Iowa District 1, 1978, every candidate Candidate Party Votes and share Share RepublicanJim LeachWon Republican 79,94063.5% DemocraticRichard E Myers Democratic 45,03735.8% OtherWilliam R Douglas Other 9780.8% - Votes for listed candidates
- 211,204
- Election day
- November 2, 1976
- District map
- Older district map (1972 to 1980)
US House, Iowa District 1, 1976, every candidate Candidate Party Votes and share Share RepublicanJames A S LeachWon Republican 109,69451.9% DemocraticEdward Mezvinsky Democratic 101,02447.8% OtherLarry D Smith Other 4860.2%
All rows: MIT Election Data and Science Lab, U.S. House 1976-2024, retrieved Oct 28, 2026
District numbers are reused after each redistricting, so rows on older lines cover different territory than today's Iowa District 1.
Download and cite
Cite this page
Election Wrld. (2026). Iowa District 1, US House results. https://www.electionwrld.com/ia/congress/1. Retrieved October 30, 2026.
Embed this seat
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Sources
Sources
- Used for
- web/data/results/house/{ST}.json. The Dataverse API refuses this file behind a guestbook, so the identical file was taken from two public GitHub copies (Hackquantumcpp/snoutcounter-midterms-2026-model data/1976-2024-house.csv and sta199-f26/sta199-f26.github.io _data/gerrymander/1976-2024-house.tab), which are byte-identical to each other and match the md5 a9566ac393913a1af343284e837c17bb that Dataverse lists for dataset version 15.0 (2026-03-09). sha256 76eec42483ee9f0fc5cf6e377442c783d1ae6eefa929729fd6561a69bab47f2a.
- License
- CC0 1.0
- Retrieved
- October 28, 2026
- Link
- https://doi.org/10.7910/DVN/IG0UN2
- Used for
- cd.topo.json, sld/*.topo.json
- License
- US Census Bureau, public domain
- Retrieved
- October 28, 2026
- Link
- https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Legislative/MapServer
- Used for
- web/data/officials/congress.json (name, party, bioguide, official site, service start) and web/data/people (birth year, committees, social media handles and profile links; links only, nothing copied from the platforms). As-of: the files saved in data/raw/people on 2026-10-29.
- License
- CC0-1.0
- Retrieved
- October 28, 2026
- Link
- https://unitedstates.github.io/congress-legislators/legislators-current.json
DataState data (JSON)Sources: MIT Election Data and Science Lab, U.S. House 1976-2024, VoteHub polls (CC BY 4.0), FEC, DIME (ODC-BY), Portraits: unitedstates/images (public domain)Data as of Oct 28, 2026