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 updated Oct 30, 7:30 p.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 3All polls. Polls updated Oct 30, 7:30 p.m. ET, from VoteHub.
The polls in this chart (2)
No polls released in the last 14 days · latest results range from 40 to 43% (D), 35 to 39% (R) and 11% (I) (newest 2 polls on the chart)
2 of the 2 polls for this race, each naming a candidate, plotted on the field end date.
| 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
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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
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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%
1976 to 2024: MIT Election Data and Science Lab, U.S. House 1976-2024, retrieved Oct 28, 2026. Compiled by MIT Election Data and Science Lab (MEDSL) from official returns; not an official source
District numbers are reused after each redistricting, so rows on older lines cover different territory than today's Iowa District 1.
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Cite this page
Election Wrld. (2026). Iowa District 1, US House results. https://www.electionwrld.com/ia/congress/1. Retrieved October 30, 2026.
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Sources
Sources: MIT Election Data and Science Lab, U.S. House 1976-2024 (CC0 1.0), retrieved Oct 28, 2026, compiled by MIT Election Data and Science Lab (MEDSL) from official returns, not an official source; 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; unitedstates/congress-legislators (current) (CC0-1.0), retrieved Oct 28, 2026, compiled by the @unitedstates project volunteers (rosters from official congressional sources) from official returns, not an official source.
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), Photo creditsData as of Oct 30, 2026 (candidate list Oct 28, 2026)