Pettis County is located in the west-central part of Missouri and is part of the Sedalia, MO Metropolitan Statistical Area. The county seat is Sedalia.

Pettis County is governed by a three-member County Commission, which is elected in staggered four-year terms. The County Commission is responsible for setting the budget, levying taxes, and making policy decisions.

The county is also served by a Prosecuting Attorney, Sheriff, Assessor, Collector, Clerk, Recorder of Deeds, and Public Administrator.

The Pettis County Courthouse is located in Sedalia. The courthouse houses the offices of the County Commission, Prosecuting Attorney, Sheriff, Assessor, Collector, Clerk, Recorder of Deeds, and Public Administrator.

The Pettis County Health Center is located in Sedalia and provides health care services to the residents of the county. The center is operated by the Pettis County Health Department.

The Pettis County Library is located in Sedalia and provides library services to the residents of the county. The library is operated by the Pettis County Library District.

For the most up-to-date and in-depth information, please check the public records links below.