Who is running for Jefferson County Circuit Clerk in 2026?

Jefferson County, Missouri

Jefferson County Circuit Clerk

Missouri › Jefferson County › Jefferson County Circuit Clerk

One candidate is tracked for Jefferson County Circuit Clerk on the November 3, 2026 ballot: Mike Reuter. Candidate information follows official Jefferson County election filings; verify with the official election office linked below.

No Democrat filed. August 4 primary result: incumbent Mike Reuter won a three-way Republican primary with 47.62 percent (11,933 votes) over Joe Maddock (28.60 percent, 7,166 votes) and Heather Langhans (23.79 percent, 5,961 votes), per the Jefferson County Clerk's official primary results summary; Reuter is unopposed on the November 3 ballot.

Mike Reuter

Republican · Incumbent

Mike Reuter has served as Jefferson County Circuit Clerk since 2014, per Leader Publications. He is a lifelong county resident who served in the U.S. Army, worked as a law enforcement officer in Kimmswick and as a Jefferson County Sheriff's deputy, and currently serves as a reserve officer for Pacific, per his campaign site.

2026 priorities (per the campaign site)

Created an information office to help courthouse visitors and a passport office for application assistance
Expanded the office's technology to improve safety, efficiency and service

Source: candidate campaign site, roster verified 2026-09-06.

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Verify this race
Candidate roster from official Jefferson County Supervisor of Elections filings, last verified 2026-09-06. Bios and priorities carry their attribution inline.
Cross-check with the official Missouri election office, or see the full Jefferson County sample ballot and your exact ballot by address.