2018 Iowa elections

The 2018 Iowa elections were held in the U.S. state of Iowa on November 6, 2018. A closed primary election was held on June 5, 2018.^[1] All of Iowa's executive officers were up for election, as well as all four of Iowa's seats in the United States House of Representatives, 25 (half) of the seats in the Iowa Senate, and all 100 seats in the Iowa House of Representatives.

2018 Iowa elections

← 2016 2020 →

Governorship

Main article: 2018 Iowa gubernatorial election

Incumbent Republican governor Terry Branstad, who had served for two consecutive and six total terms as Iowa governor, resigned to be the United States Ambassador to China in 2017.^[2] Lieutenant Governor Kim Reynolds assumed the governorship and was seeking a full term.

Results

Iowa gubernatorial election, 2018^[3]

Party		Candidate	Votes	%
	Republican	Kim Reynolds (incumbent)	667,275	50.3
	Democratic	Fred Hubbell	630,986	47.5
	Libertarian	Jake Porter	21,427	1.6
	Independent	Gary Siegwarth	7,463	0.6
	Write-in		488	0.0
Total votes			1,327,638	100.0
	Republican hold

Attorney general

Main article: 2018 Iowa Attorney General election

Incumbent Democratic attorney general Tom Miller had served in the position since 1995, and previously from 1979 to 1991. The Republican Party did not nominate anyone, but the Libertarian Party nominated Marco Battaglia.

Democratic primary

Results

Democratic primary results

Party		Candidate	Votes	%
	Democratic	Tom Miller (incumbent)	157,483	99.7
	Democratic	Write-ins	546	0.3
Total votes			158,029	100.0

General election

Results

Iowa Attorney General election, 2018^[4]

Party		Candidate	Votes	%
	Democratic	Tom Miller (incumbent)	880,531	76.5
	Libertarian	Marco Battaglia	262,131	22.8
	Write-in		8,237	0.7
Total votes			1,150,899	100.0
	Democratic hold

Secretary of state

2018 Iowa Secretary of State election

← 2014 2022 →

Candidate Paul Pate Deidre DeJear Party Republican Democratic Popular vote 685,780 583,774 Percentage 52.7% 44.9%

County results Congressional district results Pate:      40–50%      50–60%      60–70%      70–80%      80–90% DeJear:      50–60%      60–70%

Secretary of State before election Paul Pate Republican Elected Secretary of State Paul Pate Republican

Democratic primary

• Deidre DeJear
• Jim Mowrer

Results

Democratic primary results^[5]

Party		Candidate	Votes	%
	Democratic	Deidre DeJear	82,221	51.1
	Democratic	Jim Mowrer	78,409	48.7
	Democratic	Write-ins	312	0.2
Total votes			160,942	100.0

Republican primary

• Paul Pate, incumbent

Results

Republican primary results^[6]

Party		Candidate	Votes	%
	Republican	Paul D. Pate (incumbent)	88,303	99.6
	Republican	Write-ins	327	0.4
Total votes			88,630	100.0

General election

Predictions

Source	Ranking	As of
Governing magazine[7]	Lean R	June 4, 2018

Endorsements

Deidre DeJear (D)

U.S. executive branch officials

• Barack Obama, 44th president of the United States^[8]

Results

Iowa Secretary of State election, 2018^[9]

Party		Candidate	Votes	%
	Republican	Paul Pate (incumbent)	685,780	52.7
	Democratic	Deidre DeJear	583,774	44.9
	Libertarian	Jules Ofenbakh	30,881	2.4
	Write-in		482	0.0
Total votes			1,300,917	100.0
	Republican hold

Treasurer

2018 Iowa State Treasurer election

← 2014 2022 →

Candidate Michael Fitzgerald Jeremy Davis Party Democratic Republican Popular vote 710,426 553,691 Percentage 54.8% 42.7%

County results Congressional district results Fitzgerald:      40–50%      50–60%      60–70%      70–80% Davis:      40–50%      50–60%      60–70%      70–80%      80–90%

State Treasurer before election Michael Fitzgerald Democratic Elected State Treasurer Michael Fitzgerald Democratic

Incumbent Democratic state treasurer Michael L. Fitzgerald, who had served in the position since 1983, ran for reelection to a tenth term in office.^[10] Fitzgerald was unopposed in the primary and did not have a Republican challenger, but did have a challenger from the Libertarian party.

Democratic primary

Results

Democratic primary results

Party		Candidate	Votes	%
	Democratic	Michael L. Fitzgerald (incumbent)	156,225	51.1
	Democratic	Write-ins	444	0.2
Total votes			156,669	100.0

General election

Results

Iowa State Treasurer election, 2018

Party		Candidate	Votes	%
	Democratic	Michael L. Fitzgerald (incumbent)	710,426	54.8
	Republican	Jeremy Davis	553,691	42.7
	Libertarian	Tim Hird	31,268	2.4
	Write-in		465	0.1
Total votes			1,295,850	100.0
	Democratic hold

Auditor

2018 Iowa State Auditor election

← 2014 2022 →

Candidate Rob Sand Mary Mosiman Party Democratic Republican Popular vote 660,169 601,320 Percentage 51.0% 46.4%

County results Congressional district results Sand:      40–50%      50–60%      60–70%      70–80% Mosiman:      40–50%      50–60%      60–70%      70–80%      80–90%

State Auditor before election Mary Mosiman Republican Elected State Auditor Rob Sand Democratic

Incumbent Auditor Mary Mosiman, who had served since 2013, was eligible for re-election and was unopposed in the Republican primary. Attorney Rob Sand won the Democratic primary.

Democratic primary

Results

Democratic primary results

Party		Candidate	Votes	%
	Democratic	Rob Sand	147,840	99.6
	Democratic	Write-ins	550	0.4
Total votes			148,390	100.0

Republican primary

Results

Republican primary results

Party		Candidate	Votes	%
	Republican	Mary Mosiman (incumbent)	85,207	99.7
	Republican	Write-ins	278	0.3
Total votes			88,630	100.0

General election

Results

Iowa State Auditor election, 2018

Party		Candidate	Votes	%
	Democratic	Rob Sand	660,169	51.0
	Republican	Mary Mosiman (incumbent)	601,320	46.4
	Libertarian	Fred Perryman	33,421	2.6
	Write-in		458	0.0
Total votes			1,295,368	100.0
	Democratic gain from Republican

Secretary of Agriculture

2018 Iowa Secretary of Agriculture election

← 2014 2022 →

Candidate Mike Naig Tim Gannon Party Republican Democratic Popular vote 651,552 602,916 Percentage 50.3% 46.6%

County results Congressional district results Naig:      40–50%      50–60%      60–70%      70–80%      80–90% Gannon:      40–50%      50–60%      60–70%

Secretary of Agriculture before election Mike Naig Republican Elected Secretary of Agriculture Mike Naig Republican

Republican Secretary of Agriculture Bill Northey had served in the position since 2007. Northey was considering running for Iowa governor, but after Governor Terry Branstad was nominated to be Ambassador to China, he announced he would not run.^[11][12] Northey had not ruled out running for reelection in 2018, but said he would be willing to serve as lieutenant governor instead if asked.^[13] In 2018, he was nominated by President Donald Trump to be Under Secretary of Agriculture for Farm and Foreign Agricultural Services, and subsequently ruled out reelection. The office was then held by Mike Naig, serving in an acting capacity.

Democratic primary

Results

Democratic primary results

Party		Candidate	Votes	%
	Democratic	Tim Gannon	148,258	99.5
	Democratic	Write-ins	710	0.5
Total votes			148,968	100.0

Republican primary

• Ray Gaesser, farmer and soybean producer
• Chad Ingels
• Craig Lang, former president of the Farm Bureau
• Mike Naig, incumbent
• Dan Zumbach, state senator

Results

Republican primary results

Party		Candidate	Votes	%
	Republican	Mike Naig (incumbent)	30,870	34.7
	Republican	Dan Zumbach	18,938	21.3
	Republican	Craig Lang	16,514	18.6
	Republican	Ray Gaesser	14,437	16.2
	Republican	Chad Ingels	7,915	8.9
	Republican	Write-ins	210	0.3
Total votes			88,884	100.0

General election

Endorsements

Tim Gannon (D)

U.S. executive branch officials

• Barack Obama, 44th president of the United States^[8]

Results

Iowa Secretary of Agriculture election, 2018

Party		Candidate	Votes	%
	Republican	Mike Naig (incumbent)	651,552	50.3
	Democratic	Tim Gannon	602,916	46.6
	Libertarian	Rick Stewart	38,965	3.0
	Write-in		597	0.1
Total votes			1,294,030	100.0
	Republican hold

United States House of Representatives

Main article: 2018 United States House of Representatives elections in Iowa

All of Iowa's four seats in the United States House of Representatives were up for election in 2018.

Iowa General Assembly

The 25 odd-numbered Iowa Senate seats were up for election in 2018, as were all 100 Iowa House seats.

Main article: 2018 Iowa Senate election

Main article: 2018 Iowa House of Representatives election