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. 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 of the seats in the Iowa Senate, and all 100 seats in the Iowa House of Representatives.
Governorship
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. Lieutenant Governor Kim Reynolds assumed the governorship and was seeking a full term.Results
Attorney general
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
General election
Results
Secretary of state
Democratic primary
- Deidre DeJear
- Jim Mowrer
Results
Republican primary
- Paul Pate, incumbent
Results
General election
Predictions
Endorsements
Results
Treasurer
Incumbent Democratic state treasurer Michael L. Fitzgerald, who had served in the position since 1983, ran for reelection to a tenth term in office. Fitzgerald faced Republican Jeremy Davis.Results
Auditor
Incumbent Auditor Mary Mosiman, who had served since 2013, ran for re-election but was defeated by attorney Rob Sand.Results
Secretary of Agriculture
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. Northey had not ruled out running for reelection in 2018, but said he would be willing to serve as lieutenant governor instead if asked. 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
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