2018 Wisconsin State Treasurer election
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| Godlewski:      40–50%      50–60%      60–70%      70–80%  Hartwig: 40–50% 50–60% 60–70% 70–80% | ||||||||||||||||
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| Elections in Wisconsin | 
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The 2018 Wisconsin Secretary of State election' was held on November 6, 2018, and saw Democratic nominee Sarah Godlewski defeat Republican nominee Travis Hartwig. Incumbent Republican Matt Adamczyk (first elected in 2014) had not sought re-election.