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Republican Party primaries in Iowa, 2020

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2022
2018

Republican Party primaries, 2020

Iowa Republican Party.jpg

Primary Date
June 2, 2020

Primary Runoff Date
N/A

Federal elections
Republican primary for U.S. Senate
Republican primaries for U.S. House

State party
Republican Party of Iowa
State political party revenue

This page focuses on the Republican primaries that took place in Iowa on June 2, 2020. Click here for more information about the Democratic primaries.

Note that the dates and terms of participation for presidential preference primaries and caucuses sometimes differ from those that apply to primaries for state-level and other federal offices, which are the subject of this article. For more information on this state's presidential nomination process, click here.

Federal elections

U.S. Senate

See also: United States Senate election in Iowa, 2020 (June 2 Republican primary)

The 2020 U.S. Senate elections in Iowa took place on November 3, 2020. Voters elected one candidate to serve in the U.S. Senate.

Republican Party Republican primary candidates


Did not make the ballot:

U.S. House

See also: United States House elections in Iowa, 2020 (June 2 Republican primaries)

The 2020 U.S. House of Representatives elections in Iowa took place on November 3, 2020. Voters elected four candidates to serve in the U.S. House, one from each of the state's four congressional districts.

District 1

Republican Party Republican primary candidates


Did not make the ballot:


Candidate Connection = candidate completed Ballotpedia's Candidate Connection survey

District 2

Republican Party Republican primary candidates


Did not make the ballot:

District 3

Republican Party Republican primary candidates


Did not make the ballot:


Candidate Connection = candidate completed Ballotpedia's Candidate Connection survey

District 4

Republican Party Republican primary candidates


Did not make the ballot:


Candidate Connection = candidate completed Ballotpedia's Candidate Connection survey

State elections

State Senate

See also: Iowa State Senate elections, 2020
The Iowa State Senate was one of 86 state legislative chambers with elections in 2020. There are 99 chambers throughout the country. In 2018, 87 out of 99 legislative chambers held elections. To see a full list of state Senate candidates in the Republican primaries, click "Show more" below.
Show more

Iowa State Senate elections, 2020

  • Incumbents are marked with an (i) after their name.
  • Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
Office Democratic Party Democratic Republican Party Republican Other
District 2

No candidates filed for the Democratic primary


Green check mark transparent.pngJeff Taylor

Did not make the ballot:
Jeffery Santema 

District 4

No candidates filed for the Democratic primary


Green check mark transparent.pngDennis Guth (i)

District 6

Green check mark transparent.pngC.J. Petersen  Candidate Connection

Heath Hansen  Candidate Connection
Green check mark transparent.pngCraig Williams

District 8

Green check mark transparent.pngSteve Gorman

Green check mark transparent.pngDan Dawson (i)

District 10

Green check mark transparent.pngWarren Varley  Candidate Connection

Green check mark transparent.pngJake Chapman (i)

District 12

Green check mark transparent.pngJoey Norris

Green check mark transparent.pngMark Costello (i)
Richard Crouch  Candidate Connection

District 14

No candidates filed for the Democratic primary


Green check mark transparent.pngAmy Sinclair (i)

District 16

Green check mark transparent.pngNate Boulton (i)

No candidates filed for the Republican primary


District 18

Green check mark transparent.pngJanet Petersen (i)

No candidates filed for the Republican primary


District 20

Green check mark transparent.pngRhonda Martin  Candidate Connection

Green check mark transparent.pngBrad Zaun (i)

District 22

Tricia Gavin
Michael Libbie
Green check mark transparent.pngSarah Trone Garriott  Candidate Connection

Green check mark transparent.pngScott Cirksena
Porsha Hart  Candidate Connection

District 24

Green check mark transparent.pngCynthia Paschen
Keith Puntenney

Chad Behn
Joshua Dyer
Green check mark transparent.pngJesse Green
Todd Rasmussen

District 26

Green check mark transparent.pngDeb Scharper (Write-in)

Green check mark transparent.pngWaylon Brown (i)

District 28

Green check mark transparent.pngMatt Tapscott

Green check mark transparent.pngMichael T. Klimesh

District 30

Green check mark transparent.pngEric Giddens (i)

Green check mark transparent.pngHarold Youngblut

District 32

Green check mark transparent.pngPam Egli  Candidate Connection

Green check mark transparent.pngCraig Johnson (i)

District 34

Green check mark transparent.pngLiz Mathis (i)

No candidates filed for the Republican primary


District 36

Green check mark transparent.pngDavid Degner

Green check mark transparent.pngJeff Edler (i)

District 38

Alvin Aragon
Green check mark transparent.pngIvy Schuster  Candidate Connection

Bruce Adams
Garrett Dozark  Candidate Connection
Green check mark transparent.pngDawn Driscoll  Candidate Connection

District 40

Green check mark transparent.pngLance Roorda

Green check mark transparent.pngKen Rozenboom (i)

District 42

Green check mark transparent.pngRich Taylor (i)

Nancy Amos  Candidate Connection
Green check mark transparent.pngJeffrey Reichman

District 44

Green check mark transparent.pngThomas Courtney
Rex Troute
Kevin Warth  Candidate Connection

Green check mark transparent.pngTim Goodwin
Matthew Rinker

District 46

Green check mark transparent.pngChris Brase

Green check mark transparent.pngMark S. Lofgren (i)

District 48

No candidates filed for the Democratic primary


Green check mark transparent.pngDan Zumbach (i)

District 50

Green check mark transparent.pngPam Jochum (i)

Green check mark transparent.pngJennifer Smith  Candidate Connection

State House

See also: Iowa House of Representatives elections, 2020
The Iowa House of Representatives was one of 86 state legislative chambers with elections in 2020. There are 99 chambers throughout the country. In 2018, 87 out of 99 legislative chambers held elections. To see a full list of state House candidates in the Republican primaries, click "Show more" below.
Show more

Iowa State House elections, 2020

  • Incumbents are marked with an (i) after their name.
  • Candidate Connection = candidate completed the Ballotpedia Candidate Connection survey.
Office Democratic Party Democratic Republican Party Republican Other
District 1

No candidates filed for the Democratic primary


Green check mark transparent.pngJohn Wills (i)

District 2

No candidates filed for the Democratic primary


Green check mark transparent.pngMegan Jones (i)

District 3

No candidates filed for the Democratic primary


Green check mark transparent.pngDennis Bush
K. Lynn Evans
Mark McHugh  Candidate Connection

District 4

Green check mark transparent.pngBjörn Johnson  Candidate Connection

Green check mark transparent.pngSkyler Wheeler (i)

District 5

No candidates filed for the Democratic primary


Green check mark transparent.pngThomas Jeneary (i)

District 6

No candidates filed for the Democratic primary


Green check mark transparent.pngJacob Bossman (i)

District 7

Green check mark transparent.pngDebra Jensen  Candidate Connection

Green check mark transparent.pngHenry Stone

District 8

Green check mark transparent.pngGlenn Kiss

Green check mark transparent.pngTerry Baxter (i)

District 9

No candidates filed for the Democratic primary


Green check mark transparent.pngAnn Meyer (i)

District 10

No candidates filed for the Democratic primary


Green check mark transparent.pngMike Sexton (i)

District 11

James Eliason
Green check mark transparent.pngSara Huddleston

Green check mark transparent.pngGary Worthan (i)

District 12

Green check mark transparent.pngSam Muhr  Candidate Connection

Green check mark transparent.pngBrian Best (i)

District 13

Green check mark transparent.pngChris Hall (i)

No candidates filed for the Republican primary


District 14

Green check mark transparent.pngSteve Hansen

Green check mark transparent.pngRobert Henderson  Candidate Connection

District 15

Green check mark transparent.pngCharlie McConkey (i)

Green check mark transparent.pngSarah Abdouch

District 16

Green check mark transparent.pngJennifer Pellant

Green check mark transparent.pngBrent Siegrist

District 17

Green check mark transparent.pngJan Creasman

Green check mark transparent.pngMatt Windschitl (i)

District 18

Green check mark transparent.pngDamon Hopkins

Green check mark transparent.pngSteven Holt (i)

District 19

Green check mark transparent.pngNick Miller  Candidate Connection

Green check mark transparent.pngCarter Nordman  Candidate Connection

District 20

Green check mark transparent.pngRyan Morrison  Candidate Connection

Green check mark transparent.pngRay Sorensen (i)

District 21

No candidates filed for the Democratic primary


Green check mark transparent.pngTom Moore (i)

District 22

Green check mark transparent.pngShawna Anderson  Candidate Connection

Green check mark transparent.pngJon Jacobsen (i)

District 23

No candidates filed for the Democratic primary


Green check mark transparent.pngDavid Sieck (i)
Charlotte Dunnett

District 24

Green check mark transparent.pngChris Adcock

Green check mark transparent.pngCecil Dolecheck (i)

District 25

Green check mark transparent.pngRyan Marquardt  Candidate Connection
Caleb Short  Candidate Connection

Green check mark transparent.pngStan Gustafson (i)

District 26

Green check mark transparent.pngScott Ourth (i)

Green check mark transparent.pngBrooke Boden

District 27

Green check mark transparent.pngCody Dilliner

Green check mark transparent.pngJoel Fry (i)

Did not make the ballot:
Jordan Omstead 

District 28

No candidates filed for the Democratic primary


Green check mark transparent.pngJon Thorup (i)

District 29

Green check mark transparent.pngWesley Breckenridge (i)

Green check mark transparent.pngJon Dunwell

District 30

Green check mark transparent.pngLori Slings

Green check mark transparent.pngBrian Lohse (i)

District 31

Green check mark transparent.pngRick Olson (i)

No candidates filed for the Republican primary


District 32

Green check mark transparent.pngRuth Ann Gaines (i)

No candidates filed for the Republican primary


District 33

Green check mark transparent.pngBrian Meyer (i)

Green check mark transparent.pngGregory Malone

District 34

Green check mark transparent.pngBruce Hunter (i)

Green check mark transparent.pngJerry Cheevers

District 35

Green check mark transparent.pngAko Abdul-Samad (i)
Calvetta Williams

No candidates filed for the Republican primary


District 36

Green check mark transparent.pngMarti Anderson (i)

No candidates filed for the Republican primary


District 37

Green check mark transparent.pngAndrea Phillips

Green check mark transparent.pngJohn Landon (i)

District 38

Green check mark transparent.pngHeather Matson (i)

Green check mark transparent.pngGarrett Gobble
Brett Nelson

District 39

Green check mark transparent.pngKarin Derry (i)

Green check mark transparent.pngEddie Andrews  Candidate Connection

District 40

Green check mark transparent.pngJohn Forbes (i)

Green check mark transparent.pngJon Coen
Eric South  Candidate Connection

District 41

Green check mark transparent.pngJo Oldson (i)

No candidates filed for the Republican primary


District 42

Green check mark transparent.pngKristin Sunde (i)

Jacqueline Riekena
Green check mark transparent.pngAaron Sewell  Candidate Connection

District 43

Green check mark transparent.pngJennifer Konfrst (i)

Green check mark transparent.pngSonya Swan  Candidate Connection

District 44

Green check mark transparent.pngKenan Judge (i)

Paul Knupp  Candidate Connection
Green check mark transparent.pngDave Lorenzen

District 45

Green check mark transparent.pngBeth Wessel-Kroeschell (i)

No candidates filed for the Republican primary


District 46

Green check mark transparent.pngRoss Wilburn (i)

No candidates filed for the Republican primary


District 47

Green check mark transparent.pngShelly Stotts

Green check mark transparent.pngPhil Thompson (i)

District 48

Green check mark transparent.pngJack Friend  Candidate Connection

Green check mark transparent.pngRobert Bacon (i)

District 49

Green check mark transparent.pngSelden Spencer

Green check mark transparent.pngDave Deyoe (i)

District 50

Green check mark transparent.pngDennis Evans

Green check mark transparent.pngPat Grassley (i)

District 51

Green check mark transparent.pngJane Podgorniak  Candidate Connection

Green check mark transparent.pngJane Bloomingdale (i)

District 52

Green check mark transparent.pngTodd Prichard (i)

Green check mark transparent.pngCraig Clark
Charley Thomson

District 53

Green check mark transparent.pngSharon Steckman (i)

Green check mark transparent.pngSimon Abela  Candidate Connection

District 54

Kai Brost  Candidate Connection
Green check mark transparent.pngKaren Koenig  Candidate Connection

Green check mark transparent.pngShannon Latham

District 55

Green check mark transparent.pngKayla Koether

Green check mark transparent.pngMichael Bergan (i)

District 56

Green check mark transparent.pngAngela Reed

Green check mark transparent.pngAnne Osmundson (i)

District 57

No candidates filed for the Democratic primary


Green check mark transparent.pngShannon Lundgren (i)

District 58

Green check mark transparent.pngAndy McKean (i)

Green check mark transparent.pngSteven Bradley

District 59

Green check mark transparent.pngBob Kressig (i)

No candidates filed for the Republican primary


District 60

Green check mark transparent.pngDave Williams (i)

Green check mark transparent.pngRyan Howard  Candidate Connection
Colleen Tierney

District 61

Green check mark transparent.pngTimi Brown-Powers (i)

No candidates filed for the Republican primary


District 62

Green check mark transparent.pngRas Smith (i)

No candidates filed for the Republican primary


District 63

Green check mark transparent.pngCarissa Froyum  Candidate Connection

Green check mark transparent.pngSandy Salmon (i)

District 64

Green check mark transparent.pngBruce Bearinger (i)

Green check mark transparent.pngChad Ingels

Did not make the ballot:
Vanessa Johnson 

District 65

Green check mark transparent.pngLiz Bennett (i)
Harry Foster

No candidates filed for the Republican primary


District 66

Green check mark transparent.pngArt Staed (i)

Green check mark transparent.pngBarrett Hubbard

District 67

Green check mark transparent.pngEric Gjerde

Green check mark transparent.pngSally Ann Abbott

District 68

Green check mark transparent.pngMolly Donahue (i)

Green check mark transparent.pngLou Rogers  Candidate Connection

District 69

Green check mark transparent.pngKirsten Running-Marquardt (i)

No candidates filed for the Republican primary


District 70

Green check mark transparent.pngTracy Ehlert (i)

No candidates filed for the Republican primary


District 71

Green check mark transparent.pngSue Cahill

Green check mark transparent.pngTony Reed

District 72

John Anderson
Green check mark transparent.pngChristina Blackcloud  Candidate Connection

Green check mark transparent.pngDean Fisher (i)

District 73

Green check mark transparent.pngLonny Pulkrabek

Green check mark transparent.pngBobby Kaufmann (i)

District 74

Green check mark transparent.pngDavid Jacoby (i)

No candidates filed for the Republican primary


District 75

Green check mark transparent.pngRuby Bodeker  Candidate Connection

Green check mark transparent.pngThomas Gerhold (i)

District 76

Green check mark transparent.pngSarah Smith  Candidate Connection

Green check mark transparent.pngDavid Maxwell (i)

District 77

Green check mark transparent.pngAmy Nielsen (i)

No candidates filed for the Republican primary


District 78

Green check mark transparent.pngKimberly Davis

Green check mark transparent.pngJarad Klein (i)

District 79

No candidates filed for the Democratic primary


Green check mark transparent.pngDustin Hite (i)

District 80

No candidates filed for the Democratic primary


Green check mark transparent.pngHolly Brink (i)

District 81

Green check mark transparent.pngMary Gaskill (i)

Green check mark transparent.pngCherielynn Westrich

District 82

Green check mark transparent.pngPhil Miller

Green check mark transparent.pngJeff Shipley (i)  Candidate Connection

District 83

Green check mark transparent.pngJeff Kurtz (i)

Green check mark transparent.pngMartin Graber

District 84

Green check mark transparent.pngJeff Fager

Green check mark transparent.pngJoe Mitchell (i)

District 85

Vicki Lensing (i)
Green check mark transparent.pngChristina Bohannan

No candidates filed for the Republican primary


District 86

Green check mark transparent.pngMary Mascher (i)

No candidates filed for the Republican primary


District 87

Green check mark transparent.pngDennis Cohoon (i)

No candidates filed for the Republican primary


District 88

Green check mark transparent.pngSandy Dockendorff  Candidate Connection

Green check mark transparent.pngDavid Kerr (i)

District 89

Green check mark transparent.pngMonica Hosch Kurth (i)

Green check mark transparent.pngSean Hanley

District 90

Green check mark transparent.pngCindy Winckler (i)

No candidates filed for the Republican primary


District 91

Green check mark transparent.pngKelcey Brackett

Green check mark transparent.pngMark Cisneros

District 92

Green check mark transparent.pngJennifer Kakert

Green check mark transparent.pngRoss C. Paustian (i)

District 93

Green check mark transparent.pngPhyllis Thede (i)

Green check mark transparent.pngMike Vondran

District 94

Green check mark transparent.pngMarie Gleason  Candidate Connection

Green check mark transparent.pngGary Mohr (i)

District 95

Green check mark transparent.pngChristian Andrews

Phil High  Candidate Connection
Green check mark transparent.pngCharlie McClintock  Candidate Connection

District 96

Green check mark transparent.pngEverett Chase  Candidate Connection

Green check mark transparent.pngLee Hein (i)

District 97

Green check mark transparent.pngRyan Zeskey

Green check mark transparent.pngNorlin Mommsen (i)

District 98

Green check mark transparent.pngMary Lynn Wolfe (i)

Green check mark transparent.pngJoma Short  Candidate Connection

District 99

Green check mark transparent.pngLindsay James (i)

Green check mark transparent.pngPauline Chilton

District 100

Green check mark transparent.pngCharles Isenhart (i)
Grant Davis  Candidate Connection

No candidates filed for the Republican primary


Context of the 2020 elections

Iowa Party Control: 1992-2025
Four years of Democratic trifectas  •  Eleven years of Republican trifectas
Scroll left and right on the table below to view more years.

Year 92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
Governor R R R R R R R D D D D D D D D D D D D R R R R R R R R R R R R R R R
Senate D D D D D R R R R R R R R S S D D D D D D D D D D R R R R R R R R R
House D R R R R R R R R R R R R R R D D D D R R R R R R R R R R R R R R R

State party overview

See also: Republican Party of Iowa
Iowa Republican Party.jpg

State political party revenue

See also: State political party revenue and State political party revenue per capita

State political parties typically deposit revenue in separate state and federal accounts in order to comply with state and federal campaign finance laws.

The Democratic Party and the Republican Party maintain state affiliates in all 50 states, the District of Columbia, and select U.S. territories. The following map displays total state political party revenue per capita for the Republican state party affiliates.


Voter information

How the primary works

A primary election is an election in which registered voters select a candidate that they believe should be a political party's candidate for elected office to run in the general election. They are also used to choose convention delegates and party leaders. Primaries are state-level and local-level elections that take place prior to a general election. In Iowa, state law provides for a closed primary where every voter must be affiliated with a party in order to participate in its primary. However, a voter can change his or her political party affiliation on Election Day, creating what is effectively an open primary.[1]

For information about which offices are nominated via primary election, see this article.

Poll times

In Iowa, all polls are open from 7:00 a.m. to 8:00 p.m. Central Time. An individual who is in line at the time polls close must be allowed to vote.[2][3]

Registration requirements

Check your voter registration status here.

To vote in Iowa, one must be a United States citizen, a resident of Iowa, and at least 18 years old by Election Day. A voter that is 17 years old may participate in a primary election if they will be 18 by the time of the next general election. The deadline to register is 15 days prior to the election but registration is permitted on Election Day with proof of identification.Iowans may register online or by completing a form and returning to their county auditor’s office by mail or in person.[4][5]

Automatic registration

See also: Automatic voter registration

Iowa does not practice automatic voter registration.

Online registration

See also: Online voter registration

Iowa has implemented an online voter registration system. Residents can register to vote by visiting this website.

Same-day registration

See also: Same-day voter registration

Iowa allows same-day voter registration.

In order to register and vote on Election Day, voters must go to the correct polling place with proof of their identity and residence (i.e. a valid Iowa driver's license or another acceptable form of photo identification and proof of residency).[6] Click here to read more about voter identification requirements.

Residency requirements

To register to vote in Iowa, you must be a resident of the state. State law does not specify a length of time for which you must have been a resident to be eligible.

Verification of citizenship

See also: Laws permitting noncitizens to vote in the United States

Iowa does not require proof of citizenship for voter registration. An individual applying to register to vote must attest that they are a U.S. citizen under penalty of perjury.[7]

All 49 states with voter registration systems require applicants to declare that they are U.S. citizens in order to register to vote in state and federal elections, under penalty of perjury or other punishment.[8] Seven states — Alabama, Arizona, Georgia, Kansas, Louisiana, New Hampshire, and Wyoming — have laws requiring verification of citizenship at the time of voter registration, whether in effect or not. In three states — California, Maryland, and Vermont — at least one local jurisdiction allows noncitizens to vote in some local elections. Noncitizens registering to vote in those elections must complete a voter registration application provided by the local jurisdiction and are not eligible to register as state or federal voters.

Verifying your registration

The Iowa secretary of state’s office maintains a page that allows residents to check their voter registration status online.

Voter ID requirements

Iowa requires voters to present identification while voting. Voters who do not have a valid ID can obtain an Iowa voter ID card for free by mail.[9] According to the secretary of state's website, " Iowa Department of Transportation’s Driver’s License or Non-Operator ID files are automatically mailed an Iowa Voter Identification Card."[9][10]

Voters can present the following forms of identification:

  • Iowa voter ID card
  • Iowa driver’s license
  • Iowa non-operator ID
  • U.S. passport
  • U.S. military ID or veteran ID
  • Tribal ID card/document

Voter who do not have one of the IDs listed above may have another voter attest to their identity, or they may provide a combination of other documents to verify their identity and residence. The following additional documents are acceptable proof of identity:[5]

  • Out-of-state driver's license or non-driver ID card
  • ID card issued by employer
  • Student ID issued by Iowa high school or college
  • Another photo ID that is current, valid, and contains an expiration date

The following documents are acceptable proof of residence:[5]

  • A photo ID from one of the lists above that includes the voter's current address
  • Residential lease
  • Utility bill (including a cell phone bill)
  • Bank statement
  • Paycheck
  • Government check or other government document
  • Property tax statement

Voters without the required identification or another voter to attest to their identity will be offered a provisional ballot.[9]

Early voting

Iowa permits early voting. Learn more by visiting this website.

Early voting permits citizens to cast ballots in person at a polling place prior to an election. In states that permit no-excuse early voting, a voter does not have to provide an excuse for being unable to vote on Election Day. States that allow voters to cast no-excuse absentee/mail-in ballots in person are counted as no-excuse early voting states.

Forty-seven states and the District of Columbia permit no-excuse early voting.

Absentee voting

All voters are eligible to vote absentee/by-mail in Iowa. There are no special eligibility requirements for voting absentee. To vote absentee/by-mail, a request application must be received by the county auditor between 70 days before the election and 5 p.m. on the 15th day prior to the election. Voters must include one of the following: Iowa driver's license or non-operator ID number, voter ID/verification number, or the four-digit PIN from their voter ID card. Returned absentee ballots must be received by the time polls close on Election Day in order to be counted.[11]


Pivot Counties

See also: Pivot Counties by state

Thirty-one of 99 Iowa counties—31 percent—are Pivot Counties. Pivot Counties are counties that voted for Barack Obama (D) in 2008 and 2012 and for Donald Trump (R) in 2016. Altogether, the nation had 206 Pivot Counties, with most being concentrated in upper midwestern and northeastern states.

Counties won by Trump in 2016 and Obama in 2012 and 2008
County Trump margin of victory in 2016 Obama margin of victory in 2012 Obama margin of victory in 2008
Allamakee County, Iowa 24.15% 4.17% 14.25%
Boone County, Iowa 13.69% 6.64% 7.63%
Bremer County, Iowa 13.68% 2.68% 9.31%
Buchanan County, Iowa 15.02% 13.87% 18.48%
Cedar County, Iowa 17.78% 4.59% 9.64%
Cerro Gordo County, Iowa 7.66% 13.38% 20.83%
Chickasaw County, Iowa 22.94% 11.07% 20.74%
Clarke County, Iowa 28.02% 1.47% 2.25%
Clayton County, Iowa 22.78% 7.03% 17.17%
Clinton County, Iowa 5.12% 22.84% 23.03%
Des Moines County, Iowa 6.89% 18.41% 23.04%
Dubuque County, Iowa 1.23% 14.71% 20.77%
Fayette County, Iowa 19.36% 11.96% 16.60%
Floyd County, Iowa 14.84% 14.63% 21.88%
Howard County, Iowa 20.49% 20.95% 25.78%
Jackson County, Iowa 19.27% 16.89% 24.39%
Jasper County, Iowa 18.13% 7.07% 7.50%
Jefferson County, Iowa 0.47% 15.97% 20.23%
Jones County, Iowa 19.08% 7.78% 10.40%
Lee County, Iowa 16.02% 15.49% 16.01%
Louisa County, Iowa 28.37% 0.64% 4.25%
Marshall County, Iowa 8.31% 9.36% 9.35%
Mitchell County, Iowa 24.04% 3.37% 12.31%
Muscatine County, Iowa 6.26% 15.88% 15.64%
Poweshiek County, Iowa 6.53% 9.35% 11.75%
Tama County, Iowa 20.28% 7.43% 12.19%
Union County, Iowa 27.49% 3.86% 3.70%
Wapello County, Iowa 20.60% 11.88% 13.53%
Webster County, Iowa 21.52% 5.84% 8.51%
Winneshiek County, Iowa 0.79% 14.74% 22.65%
Worth County, Iowa 21.68% 14.53% 22.42%

In the 2016 presidential election, Donald Trump (R) won Iowa with 51.1 percent of the vote. Hillary Clinton (D) received 41.7 percent. In presidential elections between 1848 and 2016, Iowa voted Republican 69.76 percent of the time and Democratic 30.23 percent of the time. In the five presidential elections between 2000 and 2016, Iowa voted Democratic three times and Republican the other two times.[12]

Presidential results by legislative district

The following table details results of the 2012 and 2016 presidential elections by state House districts in Iowa. Click [show] to expand the table. The "Obama," "Romney," "Clinton," and "Trump" columns describe the percent of the vote each presidential candidate received in the district. The "2012 Margin" and "2016 Margin" columns describe the margin of victory between the two presidential candidates in those years. The "Party Control" column notes which party held that seat heading into the 2018 general election. Data on the results of the 2012 and 2016 presidential elections broken down by state legislative districts was compiled by Daily Kos.[13][14]

In 2012, Barack Obama (D) won 61 out of 100 state House districts in Iowa with an average margin of victory of 19.1 points. In 2016, Hillary Clinton (D) won 35 out of 100 state House districts in Iowa with an average margin of victory of 18.8 points. Clinton won four districts controlled by Republicans heading into the 2018 elections.
In 2012, Mitt Romney (R) won 39 out of 100 state House districts in Iowa with an average margin of victory of 13.3 points. In 2016, Donald Trump (R) won 65 out of 100 state House districts in Iowa with an average margin of victory of 24.5 points. Trump won 10 districts controlled by Democrats heading into the 2018 elections.


See also


External links

Footnotes

  1. Iowa Secretary of State Website, "Voter Registration FAQ," accessed July 21, 2025
  2. Iowa Secretary of State, "Find Your Polling Place," accessed July 21, 2025
  3. The Iowa Legislature, "I.C.A. § 49.74," accessed July 21, 2025
  4. Iowa Secretary of State, "Voter Registration," accessed July 21, 2025
  5. 5.0 5.1 5.2 Iowa Secretary of State, "Election Day Registration," accessed July 21, 2025
  6. Iowa Secretary of State, "Election Day Registration," accessed July 21, 2025
  7. Iowa Secretary of State, "State of Iowa Official Voter Registration Form," accessed July 21, 2025
  8. Under federal law, the national mail voter registration application (a version of which is in use in all states with voter registration systems) requires applicants to indicate that they are U.S. citizens in order to complete an application to vote in state or federal elections, but does not require voters to provide documentary proof of citizenship. According to the U.S. Department of Justice, the application "may require only the minimum amount of information necessary to prevent duplicate voter registrations and permit State officials both to determine the eligibility of the applicant to vote and to administer the voting process."
  9. 9.0 9.1 9.2 Iowa Secretary of State, "Voter ID FAQ," accessed July 21, 2025
  10. Iowa Secretary of State, "Iowa Voter Identification Requirements," accessed July 21, 2025
  11. Iowa Secretary of State, "Absentee Voting," accessed July 21, 2025
  12. 270towin.com, "Iowa," accessed June 1, 2017
  13. Daily Kos, "Daily Kos Elections' statewide election results by congressional and legislative districts," July 9, 2013
  14. Daily Kos, "Daily Kos Elections' 2016 presidential results for congressional and legislative districts," February 6, 2017