The Iowa elections, 2018 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.
Incumbent RepublicanGovernorTerry Branstad, who has 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.
Incumbent Democratic Attorney GeneralTom Miller has 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.
Incumbent Democratic State TreasurerMichael L. Fitzgerald, who has served in the position since 1983, ran for reelection to a tenth term in office.[10] Fitzgerald was unopposed in the primary and does not have a Republican challenger, however does 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
Democratichold
Auditor[]
Incumbent Auditor Mary Mosiman, who has 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
Democraticgain from Republican
Secretary of Agriculture[]
Republican Secretary of AgricultureBill 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 he 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 has since ruled out reelection. The office is currently 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)
Former 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
Republicanhold
United States House of Representatives[]
Main article: United States House of Representatives elections in Iowa, 2018
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.