Jefferson County, Missouri

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.

About this race

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.

What this office does

Clerk of court. The clerk of court keeps the official records of the county's trial courts: filings, case files, judgments and, in many states, jury lists and court fees. The clerk's office manages the court's finances, issues certain licenses and, in some states, handles probate or small-claims paperwork. The clerk does not decide cases.

This race. The sitting officeholder, Mike Reuter, is on the ballot. One name is on the ballot for this seat.

Missouri › Jefferson County › Jefferson County Circuit Clerk

Mike Reuter

Republican Incumbent

Top priorities

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

Per the campaign site.

Biography

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.

Campaign site (opens in a new tab)

Next on your ballotJefferson County Recorder of Deeds

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Voting info and more

Questions about this race

Who is running for Jefferson County Circuit Clerk in 2026?

When is the Jefferson County Circuit Clerk election in Missouri?

Election Day is Tuesday, November 3, 2026. Registration deadlines, early voting dates and mail ballot rules for Missouri are on the Missouri election hub at theballotbrief.com.

How do I see my exact Jefferson County ballot?

Enter your ZIP code in the lookup at theballotbrief.com for the statewide and congressional races, or a full street address to add the county, city and district contests for that location.

Verify this race

Candidate roster from official Jefferson County and state election office filings, last verified September 27, 2026. 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.

The rest of your Jefferson County ballot

19 tracked races in Jefferson County, Missouri. Landed here from another county's search? Look up your own ballot below.

Also on your ballot

Jefferson County Collector of Revenue Jefferson County Auditor Jefferson County Prosecuting Attorney See all 19 Jefferson County races

Candidate profiles

Mike Reuter, full profile Official Missouri election office