Voters in Iowa elected one member to the U.S. Senate in the general election on November 8, 2022. The primary was scheduled for June 7, 2022. The filing deadline was March 18, 2022.

The election filled the Class III Senate seat held by Chuck Grassley (R), who first took office in 1981. The outcome of this race affected the partisan balance of the U.S. Senate in 2022. Democrats retained their majority and gained one net seat, with the Senate's post-election partisan balance at 51 Democrats and 49 Republicans.

Thirty-five of 100 seats were up for election, including one special election.^[1] At the time of the election, Democrats had an effective majority, with the chamber split 50-50 and Vice President Kamala Harris (D) having the tie-breaking vote.^[2] Of the seats up for election in 2022, Democrats held 14 and Republicans held 21.

For more information about the primaries in this election, click on the links below:

Candidates and election results

General election

General election for U.S. Senate Iowa

Incumbent Chuck Grassley defeated Michael Franken in the general election for U.S. Senate Iowa on November 8, 2022.

	Candidate	%	Votes
✔	Chuck Grassley (R)	56.0	681,501
	Michael Franken (D)	43.8	533,330
	Other/Write-in votes	0.1	1,815

	Incumbents are bolded and underlined. The results have been certified. Source	Total votes: 1,216,646
= candidate completed the Ballotpedia Candidate Connection survey.
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Democratic primary election

Democratic primary for U.S. Senate Iowa

Michael Franken defeated Abby Finkenauer and Glenn Hurst in the Democratic primary for U.S. Senate Iowa on June 7, 2022.

	Candidate	%	Votes
✔	Michael Franken	55.2	86,527
	Abby Finkenauer	39.9	62,581
	Glenn Hurst	4.8	7,571
	Other/Write-in votes	0.1	158

	There were no incumbents in this race. The results have been certified. Source	Total votes: 156,837
= candidate completed the Ballotpedia Candidate Connection survey.
If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey.
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Withdrawn or disqualified candidates

Bob Krause (D)
Dave Muhlbauer (D)

Republican primary election

Republican primary for U.S. Senate Iowa

Incumbent Chuck Grassley defeated Jim Carlin in the Republican primary for U.S. Senate Iowa on June 7, 2022.

	Candidate	%	Votes
✔	Chuck Grassley	73.3	143,634
	Jim Carlin	26.5	51,891
	Other/Write-in votes	0.2	312

	Incumbents are bolded and underlined. The results have been certified. Source	Total votes: 195,837
= candidate completed the Ballotpedia Candidate Connection survey.
If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey.
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Withdrawn or disqualified candidates

Andrew Foster (R)

See more

See more here: United States Senate election in Iowa, 2022 (June 7 Democratic primary)

Voting information

See also: Voting in Iowa

Election information in Iowa: Nov. 8, 2022, election.

What was the voter registration deadline?

In-person: Oct. 24, 2022
By mail: Received by Oct. 24, 2022
Online: Oct. 24, 2022

Was absentee/mail-in voting available to all voters?

N/A

What was the absentee/mail-in ballot request deadline?

In-person: Oct. 24, 2022
By mail: Received by Oct. 24, 2022
Online: N/A

What was the absentee/mail-in ballot return deadline?

In-person: Nov. 8, 2022
By mail: Received by Nov. 8, 2022

Was early voting available to all voters?

Yes

What were the early voting start and end dates?

Oct. 19, 2022 to Nov. 7, 2022

Were all voters required to present ID at the polls? If so, was a photo or non-photo ID required?

N/A

When were polls open on Election Day?

N/A

Ballotpedia's Candidate Connection survey responses

Ballotpedia asks all federal, state, and local candidates to complete a survey and share what motivates them on political and personal levels. Candidates are asked three required questions for this survey, but they may answer additional optional questions as well.

No candidate in this race completed Ballotpedia's Candidate Connection survey.

Campaign finance

This section contains campaign finance figures from the Federal Election Commission covering all candidate fundraising and spending in this election.^[3] It does not include information on fundraising before the current campaign cycle or on spending by satellite groups. The numbers in this section are updated as candidates file new campaign finance reports. Candidates for Congress are required to file financial reports on a quarterly basis, as well as two weeks before any primary, runoff, or general election in which they will be on the ballot and upon the termination of any campaign committees.^[4] Click here to view the reporting schedule for candidates for U.S. Congress in 2022.

U.S. Congress campaign reporting schedule, 2022
Report	Close of books	Filing deadline
Year-end 2021	12/31/2021	1/31/2022
April quarterly	3/31/2022	4/15/2022
July quarterly	6/30/2022	7/15/2022
October quarterly	9/30/2022	10/15/2022
Pre-general	10/19/2022	10/27/2022
Post-general	11/28/2022	12/08/2022
Year-end 2022	12/31/2022	1/31/2023

Name	Party	Receipts*	Disbursements**	Cash on hand	Date
Chuck Grassley	Republican Party	$11,131,685	$11,696,416	$441,424	As of December 31, 2022
Abby Finkenauer	Democratic Party	$4,204,898	$4,186,967	$17,931	As of December 31, 2022
Michael Franken	Democratic Party	$11,468,780	$11,417,544	$51,236	As of December 31, 2022
Glenn Hurst	Democratic Party	$134,843	$105,982	$28,626	As of December 31, 2022
Jim Carlin	Republican Party	$583,857	$583,842	$16	As of December 31, 2022
Source: Federal Elections Commission, "Campaign finance data," 2022. This product uses the openFEC API but is not endorsed or certified by the Federal Election Commission (FEC). * According to the FEC, "Receipts are anything of value (money, goods, services or property) received by a political committee." ** According to the FEC, a disbursement "is a purchase, payment, distribution, loan, advance, deposit or gift of money or anything of value to influence a federal election," plus other kinds of payments not made to influence a federal election.

General election race ratings

See also: Race rating definitions and methods

Ballotpedia provides race ratings from four outlets: The Cook Political Report, Inside Elections, Sabato's Crystal Ball, and DDHQ/The Hill. Each race rating indicates if one party is perceived to have an advantage in the race and, if so, the degree of advantage:

Safe and Solid ratings indicate that one party has a clear edge and the race is not competitive.
Likely ratings indicate that one party has a clear edge, but an upset is possible.
Lean ratings indicate that one party has a small edge, but the race is competitive.^[5]
Toss-up ratings indicate that neither party has an advantage.

Race ratings are informed by a number of factors, including polling, candidate quality, and election result history in the race's district or state.^[6]^[7]^[8]

Race ratings: U.S. Senate election in Iowa, 2022
Race tracker	Race ratings
	November 8, 2022	November 1, 2022	October 25, 2022	October 18, 2022
The Cook Political Report with Amy Walter	Solid Republican	Likely Republican	Likely Republican	Likely Republican
Inside Elections with Nathan L. Gonzales	Likely Republican	Likely Republican	Likely Republican	Solid Republican
Larry J. Sabato's Crystal Ball	Likely Republican	Likely Republican	Likely Republican	Safe Republican
Note: Ballotpedia reviews external race ratings every week throughout the election season and posts weekly updates even if the media outlets have not revised their ratings during that week.

Ballot access

The table below details filing requirements for U.S. Senate candidates in Iowa in the 2022 election cycle. For additional information on candidate ballot access requirements in Iowa, click here.

Filing requirements for U.S. Senate candidates, 2022
State	Office	Party	Signatures required	Filing fee	Filing deadline	Source
Iowa	U.S. Senate	Ballot-qualified party	3,500, including at least 100 signatures from at least 19 counties	N/A	3/18/2022	Source
Iowa	U.S. Senate	Unaffiliated	3,500, including at least 100 signatures from at least 19 counties	N/A	8/19/2022^[9]	Source

Election history

2020

General election for U.S. Senate Iowa

	Candidate	%	Votes
✔	Joni Ernst (R)	51.7	864,997
	Theresa Greenfield (D)	45.2	754,859
	Rick Stewart (L)	2.2	36,961
	Suzanne Herzog (Independent)	0.8	13,800
	Other/Write-in votes	0.1	1,211

	Incumbents are bolded and underlined. The results have been certified. Source	Total votes: 1,671,828
= candidate completed the Ballotpedia Candidate Connection survey.
If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey.
Do you want a spreadsheet of this type of data? Contact our sales team.

Democratic primary for U.S. Senate Iowa

	Candidate	%	Votes
✔	Theresa Greenfield	47.7	132,001
	Michael Franken	24.9	68,851
	Kimberly Graham	15.0	41,554
	Eddie Mauro	11.0	30,400
	Cal Woods (Unofficially withdrew)	1.2	3,372
	Other/Write-in votes	0.2	514

	There were no incumbents in this race. The results have been certified. Source	Total votes: 276,692
= candidate completed the Ballotpedia Candidate Connection survey.
If you are a candidate and would like to tell readers and voters more about why they should vote for you, complete the Ballotpedia Candidate Connection Survey.
Do you want a spreadsheet of this type of data? Contact our sales team.

2016

**U.S. Senate, Iowa General Election, 2016**
Party		Candidate	Vote %	Votes
	Republican	Chuck Grassley Incumbent	60.1%	926,007
	Democratic	Patty Judge	35.7%	549,460
	Libertarian	Charles Aldrich	2.7%	41,794
	New Independent Party Iowa	Jim Hennager	1.1%	17,649
	Independent	Michael Luick-Thrams	0.3%	4,441
	N/A	Write-in	0.1%	1,685
Total Votes				1,541,036
Source: Iowa Secretary of State

**U.S. Senate, Iowa Democratic Primary, 2016**
Candidate	Vote %	Votes
Patty Judge	47.7%	46,322
Rob Hogg	38.9%	37,801
Thomas Fiegen	6.8%	6,573
Bob Krause	6.6%	6,425
Total Votes		97,121
Source: Iowa Secretary of State

Incumbent Chuck Grassley faced no opponent in the Republican primary on June 7, 2016.^[10]

2014

**U.S. Senate, Iowa General Election, 2014**
Party		Candidate	Vote %	Votes
	Republican	Joni Ernst	52.1%	588,575
	Democratic	Bruce Braley	43.8%	494,370
	Independent	Rick Stewart	2.4%	26,815
	Libertarian	Douglas Butzier	0.7%	8,232
	Independent	Ruth Smith	0.5%	5,873
	Independent	Bob Quast	0.4%	4,724
	Write-in	Other	0.1%	1,111
Total Votes				1,129,700
Source: Iowa Secretary of State Official Results

Incumbent Bruce Braley ran unopposed for the Democratic nomination for the United States Senate.

**U.S. Senate, Iowa Republican Primary, 2014**
Candidate	Vote %	Votes
Joni Ernst	56.2%	88,535
Sam Clovis	18%	28,418
Mark Jacobs	16.8%	26,523
Matt Whitaker	7.5%	11,884
Scott Schaben	1.4%	2,233
Total Votes		157,593
Source: Iowa Secretary of State

2010

U.S. Senate, Iowa General Election, 2010
Party		Candidate	Vote %	Votes
	Republican	Chuck Grassley Incumbent	64.4%	718,215
	Democratic	Roxanne Conlin	33.3%	371,686
	Libertarian	John Heiderscheit	2.3%	25,290
Total Votes				1,115,191

United States Senate Democratic Primary, 2010
Party		Candidate	Vote %	Votes
	Democratic	ROXANNE CONLIN	77.5%	52,715
	Democratic	BOB KRAUSE	12.8%	8,728
	Democratic	THOMAS L. FIEGEN	9.4%	6,357
	Democratic	Write-in votes	0.3%	177
Total Votes				67,977
Source: Iowa Secretary of State

United States Senate Republican Primary, 2010
Party		Candidate	Vote %	Votes
	Republican	CHUCK GRASSLEY Incumbent	98%	197,194
	Republican	Write-in votes	2%	3,926
Total Votes				201,120
Source: Iowa Secretary of State

Election analysis

Click the tabs below to view information about demographics, past elections, and partisan control of the state.

Presidential elections - Information about presidential elections in the state.
Statewide elections - Information about recent U.S. Senate and gubernatorial elections in the state.
State partisanship - The partisan makeup of the state's congressional delegation and state government.
Demographics - Information about the state's demographics and how they compare to the country as a whole.

Presidential elections

	2026 → ← 2020
U.S. Senate, Iowa
	Democratic primary; Republican primary; General election
Election details
	Filing deadline: March 18, 2022
	Primary: June 7, 2022; General: November 8, 2022
How to vote
	Poll times: 7 a.m. to 9 p.m.; Voting in Iowa
Race ratings
	Cook Political Report: Solid Republican; Inside Elections: Likely Republican; Sabato's Crystal Ball: Likely Republican
Ballotpedia analysis
	U.S. Senate battlegrounds; U.S. House battlegrounds; Federal and state primary competitiveness; Ballotpedia's Election Analysis Hub, 2022
See also
	U.S. Senate, Iowa; U.S. Senate • 1st • 2nd • 3rd • 4th; Iowa elections, 2022; U.S. Congress elections, 2022; U.S. Senate elections, 2022; U.S. House elections, 2022; Alabama U.S. Senate raceAlaska U.S. Senate raceArizona U.S. Senate raceArkansas U.S. Senate raceCalifornia U.S. Senate raceColorado U.S. Senate raceConnecticut U.S. Senate raceFlorida U.S. Senate raceGeorgia U.S. Senate raceHawaii U.S. Senate raceIdaho U.S. Senate raceIllinois U.S. Senate raceIndiana U.S. Senate raceIowa U.S. Senate raceKansas U.S. Senate raceKentucky U.S. Senate raceLouisiana U.S. Senate raceMaryland U.S. Senate raceMissouri U.S. Senate raceNevada U.S. Senate raceNew Hampshire U.S. Senate raceNew York U.S. Senate raceNorth Carolina U.S. Senate raceNorth Dakota U.S. Senate raceOhio U.S. Senate raceOklahoma U.S. Senate raceOregon U.S. Senate racePennsylvania U.S. Senate raceSouth Carolina U.S. Senate raceSouth Dakota U.S. Senate raceUtah U.S. Senate raceVermont U.S. Senate raceWashington U.S. Senate raceWisconsin U.S. Senate raceSubmit

See also: Presidential voting trends in Iowa and The Cook Political Report's Partisan Voter Index

Cook PVI by congressional district

Cook Political Report's Partisan Voter Index for Iowa, 2022
District	Incumbent	Party	PVI
Iowa's 1st	Mariannette Miller-Meeks	Republican	R+3
Iowa's 2nd	Ashley Hinson	Republican	R+4
Iowa's 3rd	Cindy Axne	Democratic	R+3
Iowa's 4th	Randy Feenstra	Republican	R+16

2020 presidential results by 2022 congressional district lines

2020 presidential results in congressional districts based on 2022 district lines, Iowa^[11]
District	Joe Biden	Donald Trump
Iowa's 1st	47.6%	50.5%
Iowa's 2nd	46.9%	51.3%
Iowa's 3rd	48.9%	49.3%
Iowa's 4th	36.2%	62.2%

2012-2020

How a state's counties vote in a presidential election and the size of those counties can provide additional insights into election outcomes at other levels of government including statewide and congressional races. Below, four categories are used to describe each county's voting pattern over the 2012, 2016, and 2020 presidential elections: Solid, Trending, Battleground, and New. Click [show] on the table below for examples:

County-level voting pattern categories
Democratic
Status	2012	2016	2020
Solid Democratic	D	D	D
Trending Democratic	R	D	D
Battleground Democratic	D	R	D
New Democratic	R	R	D
Republican
Status	2012	2016	2020
Solid Republican	R	R	R
Trending Republican	D	R	R
Battleground Republican	R	D	R
New Republican	D	D	R

Following the 2020 presidential election, 40.1% of Iowans lived in one of the state's six Solid Democratic counties, which voted for the Democratic presidential candidate in every election from 2012 to 2020, and 31.6% lived in one of 61 Solid Republican counties. Overall, Iowa was Trending Republican, having voted for Barack Obama (D) in 2012, Donald Trump (R) in 2016, and Donald Trump (R) in 2020. Use the table below to view the total number of each type of county in Iowa following the 2020 election as well as the overall percentage of the state population located in each county type.

Iowa county-level statistics, 2020
Solid Democratic	6	40.1%
Solid Republican	61	31.6%
Trending Republican	32	28.3%
Total voted Democratic	6	40.1%
Total voted Republican	93	59.9%

Historical voting trends

Iowa presidential election results (1900-2020)

11 Democratic wins
20 Republican wins

Year	1900	1904	1908	1912	1916	1920	1924	1928	1932	1936	1940	1944	1948	1952	1956	1960	1964	1968	1972	1976	1980	1984	1988	1992	1996	2000	2004	2008	2012	2016	2020
Winning Party	R	R	R	D	R	R	R	R	D	D	R	R	D	R	R	R	D	R	R	R	R	R	D	D	D	D	R	D	D	R	R

Statewide elections

This section details the results of the five most recent U.S. Senate and gubernatorial elections held in the state.

U.S. Senate elections

See also: List of United States Senators from Iowa

The table below details the vote in the five most recent U.S. Senate races in Iowa.

U.S. Senate election results in Iowa
Race	Winner	Runner up
2020	51.8%	45.2%
2016	60.1%	35.7%
2014	52.1%	43.8%
2010	64.5%	33.2%
2008	62.7%	37.3%
Average	58.2	39.0

Gubernatorial elections

See also: Governor of Iowa

The table below details the vote in the five most recent gubernatorial elections in Iowa.

Gubernatorial election results in Iowa
Race	Winner	Runner up
2018	50.3%	47.5%
2014	59.0%	37.3%
2010	52.8%	43.2%
2006	54.0%	44.4%
2002	52.7%	44.5%
Average	53.8	43.4

State partisanship

Congressional delegation

The table below displays the partisan composition of Iowa's congressional delegation as of November 2022.

Congressional Partisan Breakdown from Iowa, November 2022
Party	U.S. Senate	U.S. House	Total
Democratic	0	1	1
Republican	2	3	5
Independent	0	0	0
Vacancies	0	0	0
Total	2	4	6

State executive

The table below displays the officeholders in Iowa's top four state executive offices as of November 2022.

State executive officials in Iowa, November 2022
Office	Officeholder
Governor	Kim Reynolds
Lieutenant Governor	Adam Gregg
Secretary of State	Paul Pate
Attorney General	Thomas John Miller

State legislature

The tables below highlight the partisan composition of the Iowa General Assembly as of November 2022.

Iowa State Senate

Party		As of November 2022
	Democratic Party	18
	Republican Party	32
	Vacancies	0
Total		50

Iowa House of Representatives

Party		As of November 2022
	Democratic Party	40
	Republican Party	60
	Vacancies	0
Total		100

Trifecta control

As of November 2022, Iowa was a Republican trifecta, with majorities in both chambers of the state legislature and control of the governorship. The table below displays the historical trifecta status of the state.

Iowa Party Control: 1992-2022
Four years of Democratic trifectas • Eight 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
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
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
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

Demographics

The table below details demographic data in Iowa and compares it to the broader United States as of 2019.

Demographic Data for Iowa
	Iowa	United States
Population	3,046,355	308,745,538
Land area (sq mi)	55,853	3,531,905
Race and ethnicity**
White	90%	72.5%
Black/African American	3.7%	12.7%
Asian	2.4%	5.5%
Native American	0.4%	0.8%
Pacific Islander	0.1%	0.2%
Other (single race)	1.2%	4.9%
Multiple	2.1%	3.3%
Hispanic/Latino	6%	18%
Education
High school graduation rate	92.1%	88%
College graduation rate	28.6%	32.1%
Income
Median household income	$60,523	$62,843
Persons below poverty level	11.5%	13.4%
Source: population provided by U.S. Census Bureau, "Decennial Census" (2010). Other figures provided by U.S. Census Bureau, "American Community Survey" (5-year estimates 2014-2019).
**Note: Percentages for race and ethnicity may add up to more than 100 percent because respondents may report more than one race and the Hispanic/Latino ethnicity may be selected in conjunction with any race. Read more about race and ethnicity in the census here.

External links

Search Google News for this topic

Footnotes

↑ The special Senate election in California was for the same seat up for regular election. There were, then, 36 total Senate elections for 35 total seats.
↑ Two independents who caucus with Democrats are included with Democrats in the 50-50 split count.
↑ Fundraising by primary candidates can be found on the race's respective primary election page. Fundraising by general election candidates can be found on the race's general election page.
↑ Federal Election Commission, "2022 Quarterly Reports," accessed March 2, 2022
↑ Inside Elections also uses Tilt ratings to indicate an even smaller advantage and greater competitiveness.
↑ Amee LaTour, "Email correspondence with Nathan Gonzalez," April 19, 2018
↑ Amee LaTour, "Email correspondence with Kyle Kondik," April 19, 2018
↑ Amee LaTour, "Email correspondence with Charlie Cook," April 22, 2018
↑ Ballot Access News, "Iowa Secretary of State Now Considers the Old August Petition Deadline for Independent Candidates to be in Force," April 21, 2022
↑ The New York Times "Iowa Caucus Results," June 7, 2016
↑ Daily Kos, "Daily Kos Elections' presidential results by congressional district for 2020, 2016, and 2012," accessed September 9, 2022

[show]

Iowa's current delegation to the United States Congress

Senators

Joni Ernst (R)

Chuck Grassley (R)

Representatives

District 1

Mariannette Miller-Meeks (R)

District 2

Ashley Hinson (R)

District 3

Zach Nunn (R)

District 4

Randy Feenstra (R)

Republican Party (6)

[1] The special Senate election in California was for the same seat up for regular election. There were, then, 36 total Senate elections for 35 total seats.

[2] Two independents who caucus with Democrats are included with Democrats in the 50-50 split count.

[3] Fundraising by primary candidates can be found on the race's respective primary election page. Fundraising by general election candidates can be found on the race's general election page.

[4] Federal Election Commission, "2022 Quarterly Reports," accessed March 2, 2022

[5] Inside Elections also uses Tilt ratings to indicate an even smaller advantage and greater competitiveness.

[6] Amee LaTour, "Email correspondence with Nathan Gonzalez," April 19, 2018

[7] Amee LaTour, "Email correspondence with Kyle Kondik," April 19, 2018

[8] Amee LaTour, "Email correspondence with Charlie Cook," April 22, 2018

[9] Ballot Access News, "Iowa Secretary of State Now Considers the Old August Petition Deadline for Independent Candidates to be in Force," April 21, 2022

[primary16-10] The New York Times "Iowa Caucus Results," June 7, 2016

[11] Daily Kos, "Daily Kos Elections' presidential results by congressional district for 2020, 2016, and 2012," accessed September 9, 2022

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Iowa	2022 primaries	2022 U.S. Congress elections

Iowa congressional delegation Voting in Iowa Iowa elections: 2022 • 2021 • 2020 • 2019 • 2018	Democratic primary battlegrounds Republican primary battlegrounds U.S. Senate Democratic primaries U.S. Senate Republican primaries U.S. House Democratic primaries U.S. House Republican primaries	U.S. Congress elections U.S. Senate elections U.S. House elections Special elections Ballot access

United States Senate election in Iowa, 2022

Candidates and election results

General election

General election for U.S. Senate Iowa

Democratic primary election

Democratic primary for U.S. Senate Iowa

Withdrawn or disqualified candidates

Republican primary election

Republican primary for U.S. Senate Iowa

Withdrawn or disqualified candidates

See more

Voting information

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Campaign finance

General election race ratings

Ballot access

Election history

2020

General election

General election for U.S. Senate Iowa

Democratic primary election

Democratic primary for U.S. Senate Iowa

2016

2014

2010

Election analysis

Presidential elections

Cook PVI by congressional district

2020 presidential results by 2022 congressional district lines

2012-2020

Historical voting trends

Statewide elections

U.S. Senate elections

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State partisanship

Congressional delegation

State executive

State legislature

Iowa State Senate

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Trifecta control

Demographics

See also

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