The Ballot Brief
Illinois
Candidate profile

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John D. Idleburg

Democratic · Illinois · 2026 · Incumbent

Running for Lake County Sheriff, Illinois

Biography

John D. Idleburg has served as Lake County Sheriff since 2022, according to the county's official roster of elected officials, per Lake County official Elected Officials page. No campaign website was found as of September 8, 2026.

On the ballot

Lake County SheriffIllinois · 2026Lake County sample ballot

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How we source this

Profile facts follow official election office filings and the sources cited in each biography. Roster last verified October 19, 2026. Official sources are the final word on who appears on your ballot.

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