Missouri Johnson 



County Clerk

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County Clerk
Diane Thompson

300 N. Holden St.

Warrensburg, MO 64093


County Clerk's Office is located on the 2nd Floor of the Johnson Co. Courthouse Suite 201

Phone: 660-747-6161 - County Clerk Office

Commission Agendas & Minutes, Liquor & Auctioneer Licenses, Notary, Candidate Filing, Bid Documents

email: clerk@jocomo.gov



Voter Registration is located on the 2nd floor of the Johnson Co. Courthouse. Suite 204

Phone: 660-747-7414 - Voter Registration


Sample Ballots, Absentee Voting, Voter Registration, Elections

email: election@jocomo.gov



Human Resources Department is located on the 2nd floor of the Johnson County Courthouse Suite 202

Phone: (660) 747-5641 - Human  Resources Dept


County Employee Payroll, Health Insurance Retirement, & Workers Compensation

email: ltreece@jocomo.gov

For any voter questions or election related correspondence contact

To request copy of records the County Clerk Office holds, please email a completed Records Request Form to clerk@jocomo.gov

The Johnson County Clerk and Local Election Authority is Diane Thompson. Mrs. Thompson was first elected to office in November 2010 and took office January 2011.


For Johnson County Court services, please contact the Circuit Clerk at 660-422-7413.



County Clerks duties include the following:

• Maintains the permanent records of the County Commission.

• Liaison between county offices and state agencies.

• Election Authority for Johnson County, including filing candidates for county office and administering oath of office.

• Voter Registration and supervises elections.

• Issues Auctioneer and Liquor Licenses.

• Provides state forms for registering a fictitious name and obtaining a sales tax number for a new business.

• Administers oath to notary publics.

• County plat books and maps are available in this office.

• Prepares bids for the county.

• Schedules appointments for the Board of Equalization.


"Democracy is the government of the people, by the people for the people." 
 Abraham Lincoln