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 Main Floor of the Johnson Co. Courthouse Suite 201

Phone: 660-747-6161 - County Clerk Office

email: dthompson@jococourthouse.com


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

Phone: 660-747-7414 - Voter Registration

email: dthompson@jococourthouse.com

email: kreser@jococourthouse.com


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

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

email: lshore@jococourthouse.com

For any voter questions or election related correspondence contact

A county-wide elected office with a four year term, the Clerk's position is held by Diane Thompson.  Mrs. Thompson has been the County Clerk since Jan. 2011.


County Clerks duties include the following:


  • Responsible for maintaining 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.

  • Oversees Human Resources and Payroll.


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