Jack C. Harlan Jr.

Republican · IL · Knox County Sheriff

Jack Harlan Jr. has been Knox County Sheriff since 2022 and is a retired U.S. Army first sergeant who earned a Purple Heart. He earlier worked as a sheriff's detective and K-9 handler.

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Race Jack C. Harlan Jr. is in:

Knox County Sheriff · November 3, 2026 · Knox County, Illinois · incumbent

Profile last researched September 21, 2026.