- Source: 2018 Iowa Attorney General election
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- 2018 Iowa Attorney General election
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The 2018 Iowa Attorney General election took place on November 6, 2018, to elect the Attorney General of Iowa. The election was held concurrently with that year's gubernatorial election.
Incumbent Democratic Attorney General Tom Miller won re-election with 76.5% of the vote. The Republican Party did not nominate anyone, but the Libertarian Party nominated Marco Battaglia.
Democratic primary
= Candidates
=Nominee
Tom Miller, incumbent Attorney General
Other candidates
= Libertarian Party
=Nominee
Marco Battaglia, 2014 gubernatorial candidate
General election
= Results
=Tom Miller won re-election in landslide victory with 76.51% of the vote.
By congressional district
Miller won all 4 congressional districts, including one that elected a Republican.